--- title: "Seoul to Sun Valley cheap flights from $1,292 (SEL to SUN) - Expedia" description: "Cheap Flights from Seoul (SEL) to Sun Valley (SUN) start at $1,292 for one-way and for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/sel/sun/seoul-to-sun-valley" language: en-US market: US currency: USD prices_as_of: 2026-11-15T19:53:16Z --- # $1,292 Cheap Flights from Seoul (SEL) to Sun Valley (SUN) ![A skier in mid-air against a clear sky and snow-covered mountain.](https://images.trvl-media.com/place/601721/6d1add85-8411-4aec-a4b6-51c9ecf7f984.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $1,292 flight on Sat, Feb 13, 2027](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:SUN,departure:2/13/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1291.34&airProductToken=AQqyAQo1CNGkARIDODU5GMhoIMM7KNiGpQMwzoulAzhMQABYAWoKRUNPTlZFTklFTnIITExLUlIxU0kKNQjRpAESAzcxORjDOyCSASj9jKUDMJ-UpQM4TEABWAFqCkVDT05WRU5JRU5yCExMS1JSMVNJCkII0aQBEgQ4ODQ4GJIBIJJtKM-dpQMwrp6lAzhMQAFYAWoKRUNPTlZFTklFTnIITExLUlIxU0l6CgjBpgESBDIxOTkSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) Photo by Visit Sun Valley/Tory Taglio ## Popular airlines from Seoul to Sun Valley, ID (SUN-Friedman Memorial) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&leg2=from:SUN,to:SEL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) Find the cheapest flights on Expedia from Seoul (SEL) to Sun Valley (SUN). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at $1,292 for travel on February 13, 2027. ## Cheap Flights from Seoul to Sun Valley (SEL-SUN) Prices were available within the past 7 days and start at $1,292 for one-way flights, for the period specified. Prices and availability are subject to change. One way [Select Qatar Airways flight, departing Sat, Feb 13 from Seoul to Sun Valley, priced at $1,292 Found 16 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:SUN,departure:2/13/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1291.34&airProductToken=AQqyAQo1CNGkARIDODU5GMhoIMM7KNiGpQMwzoulAzhMQABYAWoKRUNPTlZFTklFTnIITExLUlIxU0kKNQjRpAESAzcxORjDOyCSASj9jKUDMJ-UpQM4TEABWAFqCkVDT05WRU5JRU5yCExMS1JSMVNJCkII0aQBEgQ4ODQ4GJIBIJJtKM-dpQMwrp6lAzhMQAFYAWoKRUNPTlZFTklFTnIITExLUlIxU0l6CgjBpgESBDIxOTkSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ICN · One way [Select Philippine Airlines flight, departing Mon, Jan 4 from Seoul to Sun Valley, priced at $1,961 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:SUN,departure:1/4/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1960.67&airProductToken=AQp8CicI0KQBEgM0MDEYyGggrFsohsihAzCFyqEDOEJAAFgBcgZCSE9GS1IKJwjQpAESAzEyNBisWyCSASjQz6EDMKXVoQM4VkABWAFyBlZIT1RVUwooCMGmARIEMjIwMhiSASCSbSjU26EDMLTcoQM4R0ABWAFyBlZIT1RVUxIKCAEQARgBKgJQUhgBIgQIARABKAIoAygEMAE) ICN · One way [Select Qatar Airways flight, departing Sat, Feb 13 from Seoul to Sun Valley, priced at $1,977 Found 16 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:SUN,departure:2/13/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1976.29&airProductToken=AQqsAQozCNGkARIDODU5GMhoIMM7KNiGpQMwzoulAzhCQABYAWoIRUNPTUZPUlRyCEJMS1JSMUZJCjMI0aQBEgM3MTkYwzsgkgEo%5FYylAzCflKUDOEJAAVgBaghFQ09NRk9SVHIIQkxLUlIxRkkKQAjRpAESBDIxOTEYkgEgkm0om5alAzD4lqUDOEJAAVgBaghFQ09NRk9SVHIIQkxLUlIxRkl6CgjBpgESBDIyNTMSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ICN · One way [Select EVA Airways flight, departing Mon, Jan 4 from Seoul to Sun Valley, priced at $2,172 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:SUN,departure:1/4/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:2171.24&airProductToken=AQqNAQotCMKkARIDMTY5GMhoIPMjKIDKoQMwqsuhAzhZQABYAWoERVlVUHIGWUxPS1JaCiwIwqQBEgIyNhjzIyCSASiM0KEDMILVoQM4WUABWAFqBEVZVVByBllMT0tSWgouCMGmARIEMjI3ORiSASCSbSjL36EDMKngoQM4T0ABWAFqBEVZVVByBllMT0tSWhIKCAEQARgBKgJCUhgBIgQIARABKAIoBCgGMAE) ICN · One way [Select China Airlines flight, departing Mon, Jan 4 from Seoul to Sun Valley, priced at $2,328 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:SUN,departure:1/4/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:2327.17&airProductToken=AQqNAQotCMOSARIDMTYzGMhoIPMjKIPOoQMwt8-hAzhZQABYAWoFWUZMRVhyBVlIT0tSCiwIw5IBEgIyMhjzIyCSASiH0KEDMILVoQM4WUABWAFqBVlGTEVYcgVZSE9LUgouCMGmARIEMjI3ORiSASCSbSjL36EDMKngoQM4T0ABWAFqBVlGTEVYcgVZSE9LUhIKCAEQARgBKgJDSRgBIgQIARABKAIoBCgGMAE) ICN · One way ## Alternative airports near Sun Valley Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Friedman Memorial SUN. Closest option available. Average driving time to city center is 23 minutes.](https://www.expedia.com/Flights-Search?leg1=from:SEL,to:SUN,departure:11/29/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SU · N · 23 min · Search flights ## Book with confidence ### Seoul to Sun Valley Flights #### The cheapest times to fly from Seoul to Sun Valley 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 Seoul to Sun Valley are during the month of . You can find some of the cheapest flights from Seoul to Sun Valley with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Seoul to Sun Valley Sunday is one of the best days to book for cheap flights from Seoul to Sun Valley: 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 Seoul to Sun Valley 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 Seoul to Sun Valley in 2026\. You can also book with separate airlines for your outbound and return journeys, from $1,292 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 Seoul to Sun Valley 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 Seoul to Sun Valley 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\. The percentages you see are averages.* ## Travel information | Origin airport | Gimpo Intl. 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Airport (EWR) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/ewr/sun/newark-liberty-intl-airport-to-sun-valley) - [Flights from Detroit (DTW) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/dtw/sun/detroit-to-sun-valley) - [Flights from Reno (RNO) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/rno/sun/reno-to-sun-valley) - [Flights from Palm Springs (PSP) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/psp/sun/palm-springs-to-sun-valley) - [Flights from Coeur d'Alene (COE) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/coe/sun/coeur-dalene-to-sun-valley) - [Flights from Bozeman (BZN) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/bzn/sun/bozeman-to-sun-valley) - [Flights from Panama City (ECP) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/ecp/sun/panama-city-to-sun-valley) - [Flights from Jacksonville (JAX) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/jax/sun/jacksonville-to-sun-valley) - [Flights from South Bend (SBN) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/sbn/sun/south-bend-to-sun-valley) - [Flights from Long Beach (LGB) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/lgb/sun/long-beach-to-sun-valley) - [Flights from Boston (BOS) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/bos/sun/boston-to-sun-valley) - [Flights from Indianapolis (IND) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/ind/sun/indianapolis-to-sun-valley) - [Flights from Memphis (MEM) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/mem/sun/memphis-to-sun-valley) - [Flights from Appleton (ATW) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/atw/sun/appleton-to-sun-valley) - [Flights from Charleston (CHS) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/chs/sun/charleston-to-sun-valley) - [Flights from Oklahoma City (OKC) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/okc/sun/oklahoma-city-to-sun-valley) - [Flights from Salt Lake City (SLC) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/slc/sun/salt-lake-city-to-sun-valley) - [Flights from Chattanooga (CHA) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/cha/sun/chattanooga-to-sun-valley) - [Flights from Norfolk (ORF) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/orf/sun/norfolk-to-sun-valley) - [Flights from New York (JFK) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/jfk/sun/new-york-to-sun-valley) - [Flights from Nashville (BNA) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/bna/sun/nashville-to-sun-valley) - [Flights from Las Vegas (LAS) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/las/sun/las-vegas-to-sun-valley) - [Flights from Fargo (FAR) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/far/sun/fargo-to-sun-valley) - [Flights from Tampa (TPA) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/tpa/sun/tampa-to-sun-valley) - [Flights from Seattle Paine Field Intl. Airport (PAE) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/pae/sun/seattle-paine-field-intl-airport-to-sun-valley) - [Flights from Santa Rosa (STS) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/sts/sun/santa-rosa-to-sun-valley) - [Flights from Eugene (EUG) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/eug/sun/eugene-to-sun-valley) - [Flights from Grand Junction (GJT) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/gjt/sun/grand-junction-to-sun-valley) - [Flights from Missoula (MSO) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/mso/sun/missoula-to-sun-valley) - [Flights from Providence (PVD) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/pvd/sun/providence-to-sun-valley) - [Flights from West Palm Beach (PBI) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/pbi/sun/west-palm-beach-to-sun-valley) - [Flights from Lewiston (LWS) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/lws/sun/lewiston-to-sun-valley) - [Flights from Madison (MSN) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/msn/sun/madison-to-sun-valley) - [Flights from Charlotte (CLT) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/clt/sun/charlotte-to-sun-valley) - [Flights from Milwaukee (MKE) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/mke/sun/milwaukee-to-sun-valley) - [Flights from Portland (PDX) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/pdx/sun/portland-to-sun-valley) - [Flights from Denver (DEN) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/den/sun/denver-to-sun-valley) - [Flights from Ontario Intl. Airport (ONT) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/ont/sun/ontario-to-sun-valley) - [Flights from New Orleans (MSY) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/msy/sun/new-orleans-to-sun-valley) - [Flights from Kalispell (FCA) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/fca/sun/kalispell-to-sun-valley) - [Flights from Santa Barbara (SBA) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/sba/sun/santa-barbara-to-sun-valley) - [Flights from Greenville (GSP) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/gsp/sun/greenville-to-sun-valley) - [Flights from Dallas (DFW) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/dfw/sun/dallas-to-sun-valley) - [Flights from Savannah (SAV) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/sav/sun/savannah-to-sun-valley) - [Flights from San Antonio (SAT) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/sat/sun/san-antonio-to-sun-valley) - [Flights from Austin (AUS) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/aus/sun/austin-to-sun-valley) - [Flights from San Luis Obispo (SBP) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/sbp/sun/san-luis-obispo-to-sun-valley) - [Flights from Fresno (FAT) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/fat/sun/fresno-to-sun-valley) - [Flights from Los Angeles (LAX) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/lax/sun/los-angeles-to-sun-valley) - [Flights from Cleveland (CLE) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/cle/sun/cleveland-to-sun-valley) - [Flights from Toronto (YYZ) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/yyz/sun/toronto-to-sun-valley) - [Flights from Querétaro (QRO) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/qro/sun/queretaro-to-sun-valley) - [Flights from St. Louis (STL) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/stl/sun/st-louis-to-sun-valley) - [Flights from Washington (IAD) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/iad/sun/washington-to-sun-valley) - [Flights from Cincinnati (CVG) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/cvg/sun/cincinnati-to-sun-valley) - [Flights from Philadelphia (PHL) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/phl/sun/philadelphia-to-sun-valley) - [Flights from Sacramento (SMF) to Sun Valley (SUN)](https://www.expedia.com/lp/flights/smf/sun/sacramento-to-sun-valley) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/sel/sun/seoul-to-sun-valley ar: https://www.expedia.sa/lp/flights/sel/sun/seoul-to-sun-valley en-US: https://www.expedia.com/lp/flights/sel/sun/seoul-to-sun-valley id-ID: https://www.expedia.co.id/lp/flights/sel/sun/seoul-to-sun-valley es: https://www.expedia.com/es/lp/vuelos/sel/sun/seul-a-sun-valley ```