Title: Cheap flights to Baltimore from Busan (PUS to BWI) - Expedia.com ![Baltimore featuring night scenes, skyline and a city](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $656 Cheap Flights from Busan (PUS) to Baltimore (BWI) [View $656 flight on Mon, Nov 16, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:PUS,to:BWI,departure:11/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:655.73&airProductToken=AQqQAQovCMOSARIDMTg3GI-VASDzIyjKpp0DMOqnnQM4TkAAWAFqBllCQVNJQ3IFTkxPS1IKLQjDkgESAjIyGPMjIJIBKOeonQMw4q2dAzhOQAFYAWoGWUJBU0lDcgVOTE9LUgouCMGmARIDMzQ0GJIBIMFFKNyvnQMwibKdAzhPQAFYAWoGWUJBU0lDcgVOTE9LUhIKCAEQARgBKgJDSRgBIgQIARABKAIoBCgGMAE) ## Popular airlines from Gimhae Airport (PUS) to Baltimore Washington Intl. Airport (BWI) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:PUS,to:BWI,departure:3/10/2026TANYT&leg2=from:BWI,to:PUS,departure:3/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_JL.svg) Japan Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PUS,to:BWI,departure:3/10/2026TANYT&leg2=from:BWI,to:PUS,departure:3/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"JL"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Busan to Baltimore (PUS-BWI) Prices were available within the past 7 days and start at $656 for one-way flights and $978 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $978 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:977.93&airProductToken=AQqvAQomCMuKARIEMTQwNBiPlQEgyGgohJyJAzDKnIkDOE1AAFgBcgNNS0UKQQjLigESBDUwMzMYyGggzHwowKGJAzCjp4kDOFVAAVgBagpFWVNUQU5EQVJEcghVTFgwWkJZS3oJCMSYARIDMTcwCkIIy4oBEgQzODA3GMx8IMFFKLyoiQMwz6mJAzhVQAFYAWoKRVlTVEFOREFSRHIIVUxYMFpCWUt6CgjEmAESBDI5MTgKrgEKQgjLigESBDY4NTIYwUUg4Fwo8uqJAzD364kDOFFAAFgBagpFWVNUQU5EQVJEcghRTFgwWkJZS3oKCMSYARIEMjk0MgpACMuKARIENTAzNhjgXCDIaCj37IkDMJT0iQM4UUABWAFqCkVZU1RBTkRBUkRyCFFMWDBaQllLeggIxJgBEgIyNwomCMuKARIEMTQwORjIaCCPlQEou_uJAzCB_IkDOE1AAVgBcgNNS0USCggBEAEYASoCS0UYASIECAEQASgCKAQoBjAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $985 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:984.59&airProductToken=AQqvAQomCMuKARIEMTQxMBiPlQEgyGgogqCJAzDIoIkDOE1AAFgBcgNNS0UKQQjLigESBDUwMzMYyGggzHwowKGJAzCjp4kDOFVAAVgBagpFWVNUQU5EQVJEcghVTFgwWkJZS3oJCMSYARIDMTcwCkIIy4oBEgQzODA3GMx8IMFFKLyoiQMwz6mJAzhVQAFYAWoKRVlTVEFOREFSRHIIVUxYMFpCWUt6CgjEmAESBDI5MTgKrgEKQgjLigESBDM2NzMYwUUg4Fwo9uWJAzDw5okDOFFAAFgBagpFWVNUQU5EQVJEcghRTFgwWkJZS3oKCMSYARIEMjU2MgpACMuKARIENTAzNhjgXCDIaCj37IkDMJT0iQM4UUABWAFqCkVZU1RBTkRBUkRyCFFMWDBaQllLeggIxJgBEgIyNwomCMuKARIEMTQwORjIaCCPlQEou_uJAzCB_IkDOE1AAVgBcgNNS0USCggBEAEYASoCS0UYASIECAEQASgCKAQoBjAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $1,153 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1152.63&airProductToken=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) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $1,163 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1162.93&airProductToken=AQqvAQomCMuKARIEMTQwNBiPlQEgyGgohJyJAzDKnIkDOE1AAFgBcgNNS0UKQQjLigESBDUwMzMYyGggzHwowKGJAzCjp4kDOFVAAVgBagpFWVNUQU5EQVJEcghVTFgwWkJZS3oJCMSYARIDMTcwCkIIy4oBEgQzODA3GMx8IMFFKLyoiQMwz6mJAzhVQAFYAWoKRVlTVEFOREFSRHIIVUxYMFpCWUt6CgjEmAESBDI5MTgKsQEKQwjLigESBDMyMDgYwUUg47QBKMTkiQMwp-WJAzhVQABYAWoKRVlTVEFOREFSRHIIVUxYMFpCWUt6CgjEmAESBDI2MDEKQgjLigESBDcyNzQY47QBIMhoKOjniQMw3e6JAzhVQAFYAWoKRVlTVEFOREFSRHIIVUxYMFpCWUt6CQjEmAESAzE1OQomCMuKARIEMTQwMRjIaCCPlQEor_WJAzD19YkDOE1AAVgBcgNNS0USCggBEAEYASoCS0UYASIECAEQASgCKAQoBjAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $1,192 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1191.23&airProductToken=AQqkAQomCMuKARIEMTQwNhiPlQEgyGgosZyJAzD3nIkDOE1AAFgBcgNNS0UKNQjLigESAjkxGMhoIMGTASj-p4kDMLyuiQM4TEABWAFqCkVZU1RBTkRBUkRyCExMWDBaS1lLCkMIy4oBEgQzNDI1GMGTASDBRSjnr4kDMM6wiQM4TEABWAFqCkVZU1RBTkRBUkRyCExMWDBaS1lLegoIxJgBEgQ1NjY4Cq4BCkIIy4oBEgQ2ODUyGMFFIOBcKPLqiQMw9-uJAzhRQABYAWoKRVlTVEFOREFSRHIIUUxYMFpCWUt6CgjEmAESBDI5NDIKQAjLigESBDUwMzYY4FwgyGgo9-yJAzCU9IkDOFFAAVgBagpFWVNUQU5EQVJEcghRTFgwWkJZS3oICMSYARICMjcKJgjLigESBDE0MDEYyGggj5UBKK_1iQMw9fWJAzhNQAFYAXIDTUtFEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $1,198 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1197.89&airProductToken=AQqiAQomCMuKARIEMTQwOBiPlQEgyGgopJ2JAzDqnYkDOE1AAFgBcgNNS0UKNAjLigESAjM1GMhoIOBcKL-oiQMw_a6JAzhMQAFYAWoKRVlTVEFOREFSRHIITExYMFpLWUsKQgjLigESBDY4NTEY4FwgwUUonLGJAzCFsokDOExAAVgBagpFWVNUQU5EQVJEcghMTFgwWktZS3oKCMSYARIEMjgwNQquAQpCCMuKARIEMzkzMRjBRSDgXCiw5YkDMK_miQM4UUAAWAFqCkVZU1RBTkRBUkRyCFFMWDBaQllLegoIxJgBEgQyNTc5CkAIy4oBEgQ1MDM2GOBcIMhoKPfsiQMwlPSJAzhRQAFYAWoKRVlTVEFOREFSRHIIUUxYMFpCWUt6CAjEmAESAjI3CiYIy4oBEgQxNDA1GMhoII-VASiq-okDMPD6iQM4TUABWAFyA01LRRIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $1,270 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1269.23&airProductToken=AQqiAQomCMuKARIEMTQwMhiPlQEgyGgoyJuJAzCOnIkDOE1AAFgBcgNNS0UKNAjLigESAjM1GMhoIOBcKJ-diQMw3aOJAzhLQAFYAWoKRVlTVEFOREFSRHIIS0xYMFpLWUsKQgjLigESBDM5MjgY4FwgwUUo8qSJAzDXpYkDOEtAAVgBagpFWVNUQU5EQVJEcghLTFgwWktZS3oKCMSYARIEMjc5OQquAQpCCMuKARIENjg1MhjBRSDgXCjy6okDMPfriQM4UUAAWAFqCkVZU1RBTkRBUkRyCFFMWDBaQllLegoIxJgBEgQyOTQyCkAIy4oBEgQ1MDM2GOBcIMhoKPfsiQMwlPSJAzhRQAFYAWoKRVlTVEFOREFSRHIIUUxYMFpCWUt6CAjEmAESAjI3CiYIy4oBEgQxNDAxGMhoII-VASiv9YkDMPX1iQM4TUABWAFyA01LRRIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Thu, Apr 2 - Wed, Apr 8 PUS Busan BWI Baltimore $1,276 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:4/2/2026TANYT&leg2=from:BWI,to:PUS,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1275.89&airProductToken=AQqxAQomCMuKARIEMTQwOBiPlQEgyGgopJ2JAzDqnYkDOE1AAFgBcgNNS0UKQgjLigESBDcyNzMYyGgg47QBKKuoiQMwuK6JAzhLQAFYAWoKRVlTVEFOREFSRHIIS0xYMFpLWUt6CQjEmAESAzE1OApDCMuKARIEMzIwNxjjtAEgwUUo6LCJAzDBsYkDOEtAAVgBagpFWVNUQU5EQVJEcghLTFgwWktZS3oKCMSYARIEMjQ4MAquAQpCCMuKARIEMzY3MxjBRSDgXCj25YkDMPDmiQM4UUAAWAFqCkVZU1RBTkRBUkRyCFFMWDBaQllLegoIxJgBEgQyNTYyCkAIy4oBEgQ1MDM2GOBcIMhoKPfsiQMwlPSJAzhRQAFYAWoKRVlTVEFOREFSRHIIUUxYMFpCWUt6CAjEmAESAjI3CiYIy4oBEgQxNDA5GMhoII-VASi7-4kDMIH8iQM4TUABWAFyA01LRRIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) ![China Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CI.gif) Mon, May 11 - Sat, May 23 PUS Busan BWI Baltimore $1,287 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:5/11/2026TANYT&leg2=from:BWI,to:PUS,departure:5/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1286.43&airProductToken=AQqQAQovCMOSARIDMTg3GI-VASDzIyi02IwDMMDZjAM4UUAAWAFqBllCQVNJQ3IFUUxQS1IKLQjDkgESAjIyGPMjIJIBKMLajAMwx9-MAzhRQAFYAWoGWUJBU0lDcgVRTFBLUgouCMGmARIDNzYzGJIBIMFFKNDgjAMwiOOMAzhHQAFYAWoGWUJBU0lDcgVRTFBLUgqQAQouCMGmARIDMzc5GMFFIJIBKKfljQMwhuiNAzhOQABYAWoGWUJBU0lDcgVRTFBLUgotCMOSARICMjEYkgEg8yMor-mNAzCs740DOFFAAVgBagZZQkFTSUNyBVFMUEtSCi8Iw5IBEgMxODgY8yMgj5UBKNvwjQMw5_GNAzhRQAFYAWoGWUJBU0lDcgVRTFBLUhIKCAEQARgBKgJDSRgBIgQIARABKAIoBCgGMAE) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Sun, Mar 15 - Thu, Mar 19 PUS Busan BWI Baltimore $4,060 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PUS,to:BWI,departure:3/15/2026TANYT&leg2=from:BWI,to:PUS,departure:3/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:4059.13&airProductToken=AQq4AQpBCMqYARIENTIzMBiPlQEgrZwBKJnShwMwm9OHAzhZQABYAWoHRUNPRkxYWXIIWTFFMDhZTjV6CgjLigESBDIxMjkKMgjKmAESAjU2GK2cASCuHCjg1YcDMKHbhwM4WUABWAFqB0VDT0ZMWFlyCFkxRTA4WU41Cj8IypgBEgQ3Njg2GK4cIMFFKMndhwMwxN6HAzhZQAFYAWoHRUNPRkxYWXIIWTFFMDhZTjV6CgjBggESBDQ2MDgKuAEKPwjKmAESBDczMjEYwUUgrhwojISIAzCihYgDOFlAAFgBagdFQ09GTFhZcghZMUUwOFlONXoKCMGCARIENDQ1OAoyCMqYARICNTUYrhwgrZwBKOOGiAMw-YyIAzhZQAFYAWoHRUNPRkxYWXIIWTFFMDhZTjUKQQjKmAESBDUxNjEYrZwBII-VASigj4gDMKyQiAM4WUABWAFqB0VDT0ZMWFlyCFkxRTA4WU41egoIy4oBEgQyMTMyEgoIARABGAEqAkpMGAEiBAgBEAEoAigEKAYwAQ) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost? ### What is the cheapest month to fly from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### Which airlines fly direct from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### What is the cheapest airline that flies from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### How do I find cheap flights from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### What is the best time to fly from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### What is the earliest flight from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### What day of the week has the most flights from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### What are the most popular departure times for flights from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### How long does it take to fly from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### Can you fly business or first class from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ### How do I earn miles on a Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia? ### What airports do you fly into for Baltimore from Gimhae (PUS)? ### Is it cheaper to buy a plane ticket from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute? ### Is it cheaper to book a Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package? ### Can I cancel or change the date of my flight from Busan (PUS-Gimhae) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? ## Travel information | Origin airport | Gimhae | | ------------------- | -------------------------------------------- | | Destination airport | Baltimore Washington Intl. Thurgood Marshall | | Roundtrip price | $978 | | Distance | 7045 mi | ## Book with confidence # Busan to Baltimore Flights The cheapest times to fly from Busan to Baltimore On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Busan to Baltimore are during the month of April. You can find some of the cheapest flights from Busan to Baltimore with Expedia's search tool and vast selection of airlines. The best time to book a flight from Busan to Baltimore Sunday is one of the best days to book for cheap flights from Busan to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Busan to Baltimore Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Busan to Baltimore in 2026\. You can also book with separate airlines for your outbound and return journeys, from $656 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Busan to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Busan to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. 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