diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/controller/TripPlanController.java b/src/main/java/com/example/triptalk/domain/tripPlan/controller/TripPlanController.java
index e8f09cc..2665eba 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/controller/TripPlanController.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/controller/TripPlanController.java
@@ -58,4 +58,31 @@ public ApiResponse<TripPlanResponse.TripPlanStatusDTO> markTripPlanAsTraveled(
         TripPlanResponse.TripPlanStatusDTO response = tripPlanService.changeTripPlanStatusToTraveled(tripPlanId, userId);
         return ApiResponse.onSuccess(response);
     }
+
+    @PostMapping("/from-fastapi")
+    @Operation(
+            summary = "FastAPI 생성 여행 계획 저장",
+            description = """
+                    **FastAPI에서 생성된 여행 계획을 DB에 저장합니다.**
+                    
+                    ### 📝 저장 데이터
+                    - 여행 기본 정보 (제목, 출발지, 목적지, 날짜, 예산 등)
+                    - 하이라이트 목록
+                    - 일별 상세 일정 (DailySchedule + ScheduleItem)
+                    - 교통편 정보 (출발편, 귀환편)
+                    - 숙소 정보
+                    
+                    ### 🔐 인증
+                    - Authorization 헤더에 Bearer 토큰 필요
+                    - 로그인한 사용자의 여행 계획으로 저장
+                    """
+    )
+    public ApiResponse<TripPlanResponse.TripPlanDTO> createTripPlanFromFastAPI(
+            @RequestBody com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.CreateFromFastAPIDTO request,
+            HttpServletRequest httpRequest
+    ) {
+        Long userId = authUtil.getUserIdFromRequest(httpRequest);
+        TripPlanResponse.TripPlanDTO response = tripPlanService.createTripPlanFromFastAPI(userId, request);
+        return ApiResponse.onSuccess(response);
+    }
 }
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/converter/TripPlanConverter.java b/src/main/java/com/example/triptalk/domain/tripPlan/converter/TripPlanConverter.java
index a3c3693..1dabf70 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/converter/TripPlanConverter.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/converter/TripPlanConverter.java
@@ -51,7 +51,7 @@ private static List<TripPlanResponse.TransportationDTO> toTransportationDTO(List
                 .map(t -> TripPlanResponse.TransportationDTO.builder()
                         .origin(t.getOrigin())
                         .destination(t.getDestination())
-                        .name(t.getName())
+                        .name(t.getAirlineName())
                         .price(t.getPrice())
                         .build())
                 .toList();
@@ -144,4 +144,150 @@ public static TripPlanResponse.TripPlanStatusDTO toTripPlanStatusDTO(TripPlan tr
                 .status(tripPlan.getStatus().name())
                 .build();
     }
+
+    // ========== FastAPI 데이터 변환 메서드 ==========
+
+    /**
+     * FastAPI 요청 DTO를 TripPlan 엔티티로 변환
+     */
+    public static TripPlan toTripPlanEntity(
+            com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.CreateFromFastAPIDTO request,
+            com.example.triptalk.domain.user.entity.User user
+    ) {
+        // TravelStyles 한글 문자열을 Enum으로 변환
+        Set<TravelStyle> travelStyleSet = new HashSet<>();
+        if (request.getTravelStyles() != null) {
+            for (String styleStr : request.getTravelStyles()) {
+                TravelStyle style = mapKoreanToTravelStyle(styleStr);
+                if (style != null) {
+                    travelStyleSet.add(style);
+                }
+            }
+        }
+
+        return TripPlan.builder()
+                .title(request.getTitle())
+                .destination(request.getDestination())
+                .departure(request.getDeparture())
+                .startDate(request.getStartDate())
+                .endDate(request.getEndDate())
+                .companions(request.getCompanions())
+                .budget(request.getBudget())
+                .travelStyles(travelStyleSet)
+                .imgUrl("https://images.unsplash.com/photo-1488646953014-85cb44e25828?w=800")
+                .status(com.example.triptalk.domain.tripPlan.enums.TripStatus.PLANNED)
+                .user(user)
+                .build();
+    }
+
+    /**
+     * 한글 문자열을 TravelStyle Enum으로 매핑
+     */
+    private static TravelStyle mapKoreanToTravelStyle(String korean) {
+        if (korean == null) {
+            return null;
+        }
+
+        return switch (korean.trim()) {
+            case "체험·액티비티" -> TravelStyle.ACTIVITY;
+            case "자연과 함께" -> TravelStyle.NATURE;
+            case "여유롭게 힐링" -> TravelStyle.HEALING;
+            case "여행지 느낌 물씬" -> TravelStyle.LOCAL_VIBE;
+            case "관광보다 먹방" -> TravelStyle.FOOD_FOCUS;
+            case "SNS 핫플레이스" -> TravelStyle.HOTPLACE;
+            case "유명 관광지는 필수" -> TravelStyle.MUST_VISIT;
+            case "문화·예술·역사" -> TravelStyle.CULTURE;
+            case "쇼핑은 열정적으로" -> TravelStyle.SHOPPING;
+            default -> null; // 매칭되지 않는 스타일은 무시
+        };
+    }
+
+
+    /**
+     * FastAPI 하이라이트 리스트를 TripHighlight 엔티티 리스트로 변환
+     */
+    public static List<TripHighlight> toTripHighlightEntities(
+            List<String> highlights,
+            TripPlan tripPlan
+    ) {
+        if (highlights == null) {
+            return List.of();
+        }
+        return highlights.stream()
+                .map(content -> TripHighlight.builder()
+                        .content(content)
+                        .tripPlan(tripPlan)
+                        .build())
+                .toList();
+    }
+
+    /**
+     * FastAPI 교통편 DTO를 TripTransportation 엔티티로 변환
+     */
+    public static TripTransportation toTripTransportationEntity(
+            com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.TransportationDTO dto,
+            TripPlan tripPlan
+    ) {
+        if (dto == null) {
+            return null;
+        }
+        return TripTransportation.builder()
+                .origin(dto.getOrigin())
+                .destination(dto.getDestination())
+                .airlineName(dto.getName())
+                .airlineName(dto.getName())  // DB 호환을 위해 name 필드에도 동일한 값 저장
+                .price(dto.getPrice())
+                .tripPlan(tripPlan)
+                .build();
+    }
+
+    /**
+     * FastAPI 숙소 리스트를 TripAccommodation 엔티티 리스트로 변환
+     */
+    public static List<TripAccommodation> toTripAccommodationEntities(
+            List<com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.AccommodationDTO> accommodations,
+            TripPlan tripPlan
+    ) {
+        if (accommodations == null) {
+            return List.of();
+        }
+        return accommodations.stream()
+                .map(dto -> TripAccommodation.builder()
+                        .name(dto.getName())
+                        .address(dto.getAddress())
+                        .pricePerNight(dto.getPricePerNight())
+                        .tripPlan(tripPlan)
+                        .build())
+                .toList();
+    }
+
+    /**
+     * FastAPI 일별 일정 DTO를 DailySchedule 엔티티로 변환
+     */
+    public static DailySchedule toDailyScheduleEntity(
+            com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.DailyScheduleDTO dto,
+            TripPlan tripPlan
+    ) {
+        DailySchedule dailySchedule = DailySchedule.builder()
+                .day(dto.getDay())
+                .date(dto.getDate())
+                .tripPlan(tripPlan)
+                .build();
+
+        // ScheduleItems 추가
+        if (dto.getSchedules() != null) {
+            for (com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.ScheduleDTO scheduleDTO : dto.getSchedules()) {
+                ScheduleItem scheduleItem = ScheduleItem.builder()
+                        .orderIndex(scheduleDTO.getOrderIndex())
+                        .time(java.time.LocalTime.parse(scheduleDTO.getTime()))
+                        .title(scheduleDTO.getTitle())
+                        .description(scheduleDTO.getDescription())
+                        .dailySchedule(dailySchedule)
+                        .build();
+                dailySchedule.getScheduleItems().add(scheduleItem);
+            }
+        }
+
+        return dailySchedule;
+    }
 }
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/dto/TripPlanRequest.java b/src/main/java/com/example/triptalk/domain/tripPlan/dto/TripPlanRequest.java
new file mode 100644
index 0000000..5911892
--- /dev/null
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/dto/TripPlanRequest.java
@@ -0,0 +1,137 @@
+package com.example.triptalk.domain.tripPlan.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.LocalDate;
+import java.util.List;
+
+public class TripPlanRequest {
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @Schema(description = "FastAPI에서 생성된 여행 계획 생성 요청")
+    public static class CreateFromFastAPIDTO {
+
+        @Schema(description = "여행 제목", example = "제주 액티비티 탐험 5박 6일 여행")
+        private String title;
+
+        @Schema(description = "목적지", example = "제주도")
+        private String destination;
+
+        @Schema(description = "출발지", example = "서울")
+        private String departure;
+
+        @Schema(description = "여행 시작일", example = "2025-12-10")
+        private LocalDate startDate;
+
+        @Schema(description = "여행 종료일", example = "2025-12-15")
+        private LocalDate endDate;
+
+        @Schema(description = "동행인", example = "친구")
+        private String companions;
+
+        @Schema(description = "예산", example = "70만원")
+        private String budget;
+
+        @Schema(description = "여행 스타일 리스트")
+        private List<String> travelStyles;
+
+        @Schema(description = "여행 하이라이트")
+        private List<String> highlights;
+
+        @Schema(description = "일별 일정")
+        private List<DailyScheduleDTO> dailySchedules;
+
+        @Schema(description = "출발 교통편")
+        private TransportationDTO outboundTransportation;
+
+        @Schema(description = "귀환 교통편")
+        private TransportationDTO returnTransportation;
+
+        @Schema(description = "숙소 리스트")
+        private List<AccommodationDTO> accommodations;
+    }
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @Schema(description = "일별 일정")
+    public static class DailyScheduleDTO {
+
+        @Schema(description = "일차", example = "1")
+        private Integer day;
+
+        @Schema(description = "날짜", example = "2025-12-10")
+        private LocalDate date;
+
+        @Schema(description = "일정 항목 리스트")
+        private List<ScheduleDTO> schedules;
+    }
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @Schema(description = "일정 항목")
+    public static class ScheduleDTO {
+
+        @Schema(description = "순서", example = "1")
+        @JsonProperty("order_index")
+        private Integer orderIndex;
+
+        @Schema(description = "시간", example = "07:30")
+        private String time;
+
+        @Schema(description = "제목", example = "비행기 탑승")
+        private String title;
+
+        @Schema(description = "설명", example = "김포 출발 제주행")
+        private String description;
+    }
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @Schema(description = "교통편 정보")
+    public static class TransportationDTO {
+
+        @Schema(description = "출발지", example = "김포공항")
+        private String origin;
+
+        @Schema(description = "도착지", example = "제주공항")
+        private String destination;
+
+        @Schema(description = "교통편명", example = "진에어LJ313")
+        private String name;
+
+        @Schema(description = "가격", example = "55000")
+        private Integer price;
+    }
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    @Schema(description = "숙소 정보")
+    public static class AccommodationDTO {
+
+        @Schema(description = "숙소명", example = "메종글래드 제주")
+        private String name;
+
+        @Schema(description = "주소", example = "제주시 노연로 80")
+        private String address;
+
+        @Schema(description = "1박 가격", example = "100000")
+        private Integer pricePerNight;
+    }
+}
+
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/entity/ScheduleItem.java b/src/main/java/com/example/triptalk/domain/tripPlan/entity/ScheduleItem.java
index 6d64500..bbf9e1f 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/entity/ScheduleItem.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/entity/ScheduleItem.java
@@ -21,10 +21,10 @@ public class ScheduleItem extends BaseEntity {
     @Column(nullable = false)
     private LocalTime time;
 
-    @Column(length = 10, nullable = false)
+    @Column(length = 50, nullable = false)
     private String title;
 
-    @Column(length = 20, nullable = false)
+    @Column(length = 100, nullable = false)
     private String description;
 
     @ManyToOne(fetch = FetchType.LAZY)
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripAccommodation.java b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripAccommodation.java
index 24c88b5..2824e12 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripAccommodation.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripAccommodation.java
@@ -12,10 +12,10 @@
 @Entity
 public class TripAccommodation extends BaseEntity {
 
-    @Column(length = 20, nullable = false)
+    @Column(length = 100, nullable = false)
     private String name;
 
-    @Column(length = 20, nullable = false)
+    @Column(length = 100, nullable = false)
     private String address;
 
     @Column(nullable = false)
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripHighlight.java b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripHighlight.java
index d8e956d..db8c3ff 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripHighlight.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripHighlight.java
@@ -12,7 +12,7 @@
 @Entity
 public class TripHighlight extends BaseEntity {
 
-    @Column(length = 15, nullable = false)
+    @Column(length = 100, nullable = false)
     private String content;
 
     @ManyToOne(fetch = FetchType.LAZY)
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripPlan.java b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripPlan.java
index e05999c..134e697 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripPlan.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripPlan.java
@@ -18,13 +18,13 @@
 @Entity
 public class TripPlan extends BaseEntity {
 
-    @Column(length = 20, nullable = false)
+    @Column(length = 100, nullable = false)
     private String title;
 
-    @Column(length = 10, nullable = false)
+    @Column(length = 50, nullable = false)
     private String destination;
 
-    @Column(length = 10, nullable = false)
+    @Column(length = 50, nullable = false)
     private String departure;
 
     @Column(nullable = false)
@@ -33,10 +33,10 @@ public class TripPlan extends BaseEntity {
     @Column(nullable = false)
     private LocalDate endDate;
 
-    @Column(length = 30, nullable = false)
+    @Column(length = 50, nullable = false)
     private String companions;
 
-    @Column(length = 10, nullable = false)
+    @Column(length = 30, nullable = false)
     private String budget;
 
     @ElementCollection(fetch = FetchType.LAZY)
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripTransportation.java b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripTransportation.java
index 95c7f78..8d592ea 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripTransportation.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/entity/TripTransportation.java
@@ -12,14 +12,14 @@
 @Entity
 public class TripTransportation extends BaseEntity {
 
-    @Column(length = 10, nullable = false)
+    @Column(length = 50, nullable = false)
     private String origin;
 
-    @Column(length = 10, nullable = false)
+    @Column(length = 50, nullable = false)
     private String destination;
 
-    @Column(length = 10, nullable = false)
-    private String name;
+    @Column(name = "airline_name", length = 50, nullable = false)
+    private String airlineName;
 
     @Column(nullable = false)
     private Integer price;
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanService.java b/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanService.java
index a6f969d..9b2cebc 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanService.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanService.java
@@ -1,5 +1,6 @@
 package com.example.triptalk.domain.tripPlan.service;
 
+import com.example.triptalk.domain.tripPlan.dto.TripPlanRequest;
 import com.example.triptalk.domain.tripPlan.dto.TripPlanResponse;
 import com.example.triptalk.domain.tripPlan.enums.TripStatus;
 
@@ -13,4 +14,7 @@ public interface TripPlanService {
 
     // 여행 상태 변경: PLANNED -> TRAVELED
     TripPlanResponse.TripPlanStatusDTO changeTripPlanStatusToTraveled(Long tripPlanId, Long userId);
+
+    // FastAPI에서 생성된 여행 계획 저장
+    TripPlanResponse.TripPlanDTO createTripPlanFromFastAPI(Long userId, TripPlanRequest.CreateFromFastAPIDTO request);
 }
diff --git a/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanServiceImpl.java b/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanServiceImpl.java
index 07b9fce..2d75b6d 100644
--- a/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanServiceImpl.java
+++ b/src/main/java/com/example/triptalk/domain/tripPlan/service/TripPlanServiceImpl.java
@@ -2,7 +2,7 @@
 
 import com.example.triptalk.domain.tripPlan.converter.TripPlanConverter;
 import com.example.triptalk.domain.tripPlan.dto.TripPlanResponse;
-import com.example.triptalk.domain.tripPlan.entity.TripPlan;
+import com.example.triptalk.domain.tripPlan.entity.*;
 import com.example.triptalk.domain.tripPlan.enums.TripStatus;
 import com.example.triptalk.domain.tripPlan.repository.*;
 import com.example.triptalk.global.apiPayload.code.status.ErrorStatus;
@@ -25,6 +25,7 @@ public class TripPlanServiceImpl implements TripPlanService {
     private final TripAccommodationRepository tripAccommodationRepository;
     private final DailyScheduleRepository dailyScheduleRepository;
     private final TripHighlightRepository tripHighlightRepository;
+    private final com.example.triptalk.domain.user.repository.UserRepository userRepository;
 
     @Override
     public TripPlanResponse.TripPlanDTO getTripPlan(Long tripPlanId, Long userId) {
@@ -93,4 +94,63 @@ public TripPlanResponse.TripPlanStatusDTO changeTripPlanStatusToTraveled(Long tr
 
         return TripPlanConverter.toTripPlanStatusDTO(tripPlan);
     }
+
+    @Override
+    @Transactional
+    public TripPlanResponse.TripPlanDTO createTripPlanFromFastAPI(Long userId, com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.CreateFromFastAPIDTO request) {
+        // 1. User 조회
+        com.example.triptalk.domain.user.entity.User user = userRepository.findById(userId)
+                .orElseThrow(() -> new ErrorHandler(ErrorStatus.USER_NOT_FOUND));
+
+        // 2. TripPlan 생성 (Converter 사용)
+        TripPlan tripPlan = TripPlanConverter.toTripPlanEntity(request, user);
+        tripPlan = tripPlanRepository.save(tripPlan);
+
+        TripPlan finalTripPlan = tripPlan;
+
+        // 3. Highlights 저장 (Converter 사용)
+        java.util.List<TripHighlight> highlights = TripPlanConverter.toTripHighlightEntities(
+                request.getHighlights(),
+                finalTripPlan
+        );
+        tripHighlightRepository.saveAll(highlights);
+
+        // 4. Transportations 저장 (Converter 사용)
+        TripTransportation outbound = TripPlanConverter.toTripTransportationEntity(
+                request.getOutboundTransportation(),
+                finalTripPlan
+        );
+        if (outbound != null) {
+            tripTransportationRepository.save(outbound);
+        }
+
+        TripTransportation returnTransport = TripPlanConverter.toTripTransportationEntity(
+                request.getReturnTransportation(),
+                finalTripPlan
+        );
+        if (returnTransport != null) {
+            tripTransportationRepository.save(returnTransport);
+        }
+
+        // 5. Accommodations 저장 (Converter 사용)
+        java.util.List<TripAccommodation> accommodations = TripPlanConverter.toTripAccommodationEntities(
+                request.getAccommodations(),
+                finalTripPlan
+        );
+        tripAccommodationRepository.saveAll(accommodations);
+
+        // 6. DailySchedules 저장 (Converter 사용)
+        if (request.getDailySchedules() != null) {
+            for (com.example.triptalk.domain.tripPlan.dto.TripPlanRequest.DailyScheduleDTO dailyScheduleDTO : request.getDailySchedules()) {
+                DailySchedule dailySchedule = TripPlanConverter.toDailyScheduleEntity(
+                        dailyScheduleDTO,
+                        finalTripPlan
+                );
+                dailyScheduleRepository.save(dailySchedule);
+            }
+        }
+
+        // 7. 저장된 데이터 조회 및 반환
+        return getTripPlan(finalTripPlan.getId(), userId);
+    }
 }