$421+ Cheap flights from Idaho to Seoul (SEL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEL
Mar 18 — Mar 251
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to Seoul
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho to SeoulExplore the most affordable flight options available from Idaho to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
Explore the most affordable flight options available from Idaho to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/135:40 am
GEG
- ICN
1 stop19h 55m
Multiple Airlines
Sun 2/228:35 pm
ICN
- GEG
1 stop13h 28m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$828
This Expedia deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
BOI
- ICN
2 stops25h 25m
Multiple Airlines
Sun 4/261:40 pm
ICN
- BOI
2 stops48h 22m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$852
This Jetabroad deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:55 am
BOI
- ICN
1 stop17h 40m
Multiple Airlines
Sun 4/58:35 pm
ICN
- BOI
1 stop30h 44m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$861
This Orbitz deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
BOI
- ICN
2 stops25h 25m
Multiple Airlines
Wed 4/298:00 am
ICN
- BOI
2 stops22h 33m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$871
This Gurufare deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:44 pm
GEG
- ICN
1 stop17h 31m
Multiple Airlines
Thu 9/179:00 pm
ICN
- GEG
1 stop14h 46m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$874
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:28 am
BOI
- ICN
1 stop20h 07m
Multiple Airlines
Thu 2/268:35 pm
ICN
- BOI
1 stop18h 05m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:55 pm
BOI
- ICN
1 stop29h 20m
United Airlines
Thu 2/2612:45 pm
ICN
- BOI
1 stop24h 26m
United Airlines
Deal found 2/13![United Airlines logo]()
$883
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
IDA
- ICN
1 stop21h 35m
Multiple Airlines
Wed 4/18:35 pm
ICN
- IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$895
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:47 pm
GEG
- ICN
1 stop35h 48m
Multiple Airlines
Sun 4/58:35 pm
ICN
- GEG
1 stop16h 49m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$901
This BusinessClass deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:10 pm
BOI
- ICN
1 stop16h 35m
Multiple Airlines
Sun 9/69:20 pm
ICN
- BOI
1 stop16h 35m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:50 am
BOI
- ICN
1 stop15h 40m
Delta
Wed 3/118:05 pm
ICN
- BOI
1 stop17h 02m
Delta
Deal found 2/14![Delta logo]()
$927
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:44 pm
GEG
- ICN
2 stops33h 31m
United Airlines
Wed 2/256:00 pm
ICN
- GEG
1 stop20h 07m
United Airlines
Deal found 2/15![United Airlines logo]()
$932
Best flights from Idaho to SeoulDiscover carefully curated flight deals from Idaho to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
Discover carefully curated flight deals from Idaho to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
This Jetabroad deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:55 am
BOI
- ICN
1 stop17h 40m
Multiple Airlines
Sun 4/58:35 pm
ICN
- BOI
1 stop30h 44m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$861
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:50 am
BOI
- ICN
1 stop15h 40m
Delta
Wed 3/118:05 pm
ICN
- BOI
1 stop17h 02m
Delta
Deal found 2/14![Delta logo]()
$927
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
BOI
- ICN
1 stop17h 45m
United Airlines
Wed 4/294:50 pm
ICN
- BOI
2 stops18h 23m
United Airlines
Deal found 2/13![United Airlines logo]()
$981
This Alaska Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:06 am
BOI
- ICN
1 stop16h 24m
Alaska Airlines
Sat 9/57:35 pm
ICN
- BOI
1 stop13h 36m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$1,012
This Gurufare deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 pm
BOI
- ICN
1 stop18h 55m
Multiple Airlines
Sun 4/269:00 pm
ICN
- BOI
1 stop14h 11m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
BOI
- ICN
2 stops19h 50m
Delta
Sun 4/267:00 pm
ICN
- BOI
1 stop15h 55m
Delta
Deal found 2/13![Delta logo]()
$931
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
IDA
- ICN
1 stop21h 35m
Multiple Airlines
Wed 4/18:35 pm
ICN
- IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:30 am
BOI
- ICN
1 stop20h 50m
Delta
Sun 4/197:00 pm
ICN
- BOI
1 stop20h 17m
Delta
Deal found 2/14![Delta logo]()
$970
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:47 pm
GEG
- ICN
1 stop35h 48m
Multiple Airlines
Sun 4/58:35 pm
ICN
- GEG
1 stop16h 49m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:05 am
GEG
- ICN
2 stops31h 15m
United Airlines
Tue 4/711:30 am
ICN
- GEG
2 stops25h 41m
United Airlines
Deal found 2/14![United Airlines logo]()
$1,131
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:30 am
BOI
- ICN
1 stop20h 50m
Delta
Sun 4/197:00 pm
ICN
- BOI
2 stops19h 57m
Delta
Deal found 2/13![Delta logo]()
$974
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:35 am
BOI
- ICN
1 stop14h 55m
Delta
Sun 3/297:20 pm
ICN
- BOI
1 stop29h 07m
Delta
Deal found 2/14![Delta logo]()
$975
This FlightHub deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:52 am
BOI
- GMP
2 stops21h 13m
Japan Airlines
Sat 3/2112:05 pm
GMP
- BOI
2 stops18h 24m
Japan Airlines
Deal found 2/16![Japan Airlines logo]()
$2,612
This SmartFares deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:43 pm
GEG
- ICN
1 stop30h 52m
Multiple Airlines
Thu 4/307:35 pm
ICN
- GEG
1 stop12h 45m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$986
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:55 pm
IDA
- ICN
2 stops30h 35m
Delta
Wed 4/17:00 pm
ICN
- IDA
2 stops18h 16m
Delta
Deal found 2/14![Delta logo]()
$987
This Expedia deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
GEG
- ICN
1 stop20h 35m
Multiple Airlines
Wed 4/88:35 pm
ICN
- GEG
1 stop16h 49m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:15 pm
BOI
- ICN
2 stops31h 35m
Delta
Sun 4/57:00 pm
ICN
- BOI
1 stop18h 04m
Delta
Deal found 2/12![Delta logo]()
$994
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:34 am
BOI
- ICN
1 stop20h 46m
Delta
Wed 4/297:20 pm
ICN
- BOI
1 stop17h 36m
Delta
Deal found 2/13![Delta logo]()
$1,012
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:45 pm
GEG
- ICN
1 stop29h 05m
Delta
Tue 4/77:00 pm
ICN
- GEG
1 stop16h 05m
Delta
Deal found 2/14![Delta logo]()
$1,084
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:39 pm
BOI
- GMP
2 stops40h 36m
Multiple Airlines
Sun 4/128:00 am
GMP
- BOI
2 stops29h 54m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$1,785
This Expedia deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:40 am
BOI
- GMP
2 stops22h 35m
Multiple Airlines
Sun 4/57:15 pm
GMP
- BOI
2 stops41h 25m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$1,815
This Expedia deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:15 am
GEG
- GMP
2 stops22h 00m
Multiple Airlines
Tue 4/78:00 am
GMP
- GEG
2 stops25h 32m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$2,337
This Expedia deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:11 pm
GEG
- GMP
2 stops40h 04m
Multiple Airlines
Thu 4/308:00 am
GMP
- GEG
2 stops25h 32m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$2,528
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
GEG
- GMP
2 stops22h 15m
Multiple Airlines
Tue 5/2612:05 pm
GMP
- GEG
2 stops26h 47m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$3,539
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:22 pm
BOI
- GMP
2 stops24h 18m
Multiple Airlines
Tue 6/1612:05 pm
GMP
- BOI
2 stops25h 46m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$4,019
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:22 pm
BOI
- GMP
2 stops24h 18m
Multiple Airlines
Wed 6/1012:05 pm
GMP
- BOI
2 stops25h 46m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$4,479
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
BOI
- GMP
2 stops24h 05m
Multiple Airlines
Thu 3/1912:05 pm
GMP
- BOI
2 stops25h 18m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$4,479
This Expedia deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:15 am
GEG
- GMP
2 stops42h 40m
Multiple Airlines
Wed 4/88:00 am
GMP
- GEG
2 stops25h 32m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$4,715
Last-minute flights from Idaho to SeoulDiscover last-minute flight deals from Idaho to Seoul. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Seoul. Data last updated February 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:44 pm
GEG
- ICN
2 stops33h 31m
United Airlines
Wed 2/256:00 pm
ICN
- GEG
1 stop20h 07m
United Airlines
Deal found 2/15![United Airlines logo]()
$932
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:28 am
BOI
- ICN
1 stop20h 07m
Multiple Airlines
Thu 2/268:35 pm
ICN
- BOI
1 stop18h 05m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:55 pm
BOI
- ICN
1 stop29h 20m
United Airlines
Thu 2/2612:45 pm
ICN
- BOI
1 stop24h 26m
United Airlines
Deal found 2/13![United Airlines logo]()
$883
This Alaska Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:00 am
IDA
- ICN
1 stop18h 35m
Multiple Airlines
Thu 2/268:35 pm
ICN
- IDA
1 stop19h 01m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:50 am
BOI
- ICN
1 stop15h 40m
Delta
Wed 3/118:05 pm
ICN
- BOI
1 stop17h 02m
Delta
Deal found 2/14![Delta logo]()
$927
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:47 pm
GEG
- ICN
1 stop35h 48m
Multiple Airlines
Sun 4/58:35 pm
ICN
- GEG
1 stop16h 49m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$901
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
IDA
- ICN
1 stop21h 35m
Multiple Airlines
Wed 4/18:35 pm
ICN
- IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:55 pm
IDA
- ICN
2 stops30h 35m
Delta
Wed 4/17:20 pm
ICN
- IDA
1 stop17h 56m
Delta
Deal found 2/14![Delta logo]()
$987
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:35 am
BOI
- ICN
1 stop14h 55m
Delta
Sun 3/297:20 pm
ICN
- BOI
1 stop29h 07m
Delta
Deal found 2/14![Delta logo]()
$975
This SmartFares deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:43 pm
GEG
- ICN
1 stop30h 52m
Multiple Airlines
Thu 4/307:35 pm
ICN
- GEG
1 stop12h 45m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$986
This Jetabroad deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:55 am
BOI
- ICN
1 stop17h 40m
Multiple Airlines
Sun 4/58:35 pm
ICN
- BOI
1 stop30h 44m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$861
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:15 pm
BOI
- ICN
2 stops31h 35m
Delta
Sun 4/57:00 pm
ICN
- BOI
1 stop18h 04m
Delta
Deal found 2/12![Delta logo]()
$994
One-way flights from Idaho to SeoulSearch for one-way flight options from Idaho to Seoul. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
Search for one-way flight options from Idaho to Seoul. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
This Travelocity deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:40 am
BOI
- ICN
2 stops25h 45m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$421
This Gurufare deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 pm
BOI
- ICN
1 stop19h 20m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:28 pm
BOI
- ICN
1 stop31h 07m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/287:43 pm
GEG
- ICN
1 stop30h 52m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:00 am
BOI
- ICN
2 stops19h 15m
United Airlines
Deal found 2/13![United Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
GEG
- ICN
2 stops42h 40m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
GEG
- GMP
3 stops39h 05m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$608
This Trip.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:07 am
BOI
- GMP
2 stops22h 08m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$932
This BusinessClass deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:12 pm
GEG
- GMP
2 stops24h 28m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,100
This FlightHub deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:26 am
BOI
- GMP
2 stops45h 54m
ANA
Deal found 2/15![ANA logo]()
$1,500
This Gurufare deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:41 am
BOI
- GMP
2 stops34h 39m
ANA
Deal found 2/16![ANA logo]()
$1,937
This Gurufare deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:39 am
BOI
- GMP
2 stops35h 26m
ANA
Deal found 2/16![ANA logo]()
$2,158
Find flight deals from Idaho to Seoul
Keep the following information in mind while searching for Idaho to Seoul flight deals. Data was last updated February 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $852 (Expedia) |
One-way from | $421 (Travelocity) |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Idaho to Seoul that are best for you.
Fly from
Idaho
Fly to
Seoul
Route
Depart
Return
Price
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Sun 3/29
9:55 am-6:35 pm
1 stop17h 40m
Incheon Intl
Sun 4/5
8:35 pm-12:19 pm
1 stop30h 44m
$861
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Wed 4/15
7:05 pm-5:00 am
1 stop18h 55m
Incheon Intl
Sun 4/26
9:00 pm-8:11 pm
1 stop14h 11m
$874
Idaho FallsIncheon
IDA - ICN
IDAICN
Idaho Falls Fanning Field
Wed 3/25
6:00 am-6:35 pm
1 stop21h 35m
Incheon Intl
Wed 4/1
8:35 pm-10:52 pm
1 stop17h 17m
$895
SpokaneIncheon
GEG - ICN
GEGICN
Spokane
Tue 3/24
2:47 pm-6:35 pm
1 stop35h 48m
Incheon Intl
Sun 4/5
8:35 pm-9:24 pm
1 stop16h 49m
$901
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Thu 3/5
8:50 am-4:30 pm
1 stop15h 40m
Incheon Intl
Wed 3/11
8:05 pm-10:07 pm
1 stop17h 02m
$927
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Wed 4/15
6:00 am-4:50 pm
2 stops19h 50m
Incheon Intl
Sun 4/26
7:00 pm-7:55 pm
1 stop15h 55m
$931
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Thu 4/9
5:30 am-5:20 pm
1 stop20h 50m
Incheon Intl
Sun 4/19
7:00 pm-12:17 am
1 stop20h 17m
$970
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Fri 4/10
5:30 am-5:20 pm
1 stop20h 50m
Incheon Intl
Sun 4/19
7:00 pm-11:57 pm
2 stops19h 57m
$974
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Thu 3/26
10:35 am-4:30 pm
1 stop14h 55m
Incheon Intl
Sun 3/29
7:20 pm-9:27 am
1 stop29h 07m
$975
BoiseIncheon
BOI - ICN
BOIICN
Boise Air Term. Gowen Fld
Thu 4/23
6:15 am-3:00 pm
1 stop17h 45m
Incheon Intl
Wed 4/29
4:50 pm-8:13 pm
2 stops18h 23m
$981
Showing 1-10 of 40 results
Best time to book a flight from Idaho to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Idaho with our price prediction graph.
GEG-ICN
BOI-ICN
IDA-ICN
BOI-GMP
GEG-GMP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Seoul
USID-SEL
GEG-ICN
BOI-ICN
IDA-ICN
BOI-GMP
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seoul flight routes
Top destinations
Alternative routes for Idaho to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Seoul by cabin class
Find flights from Idaho to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Seoul flights
Browse other Idaho and Seoul flight options. Last updated on February 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 16, 2026.
Idaho to Seoul flights
Consider these flights traveling from Idaho to Seoul.
Top airline flying from Idaho to Seoul
Discover the top airline that operate flights from Idaho to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$915 | Average$1,455 | FlexibilityNo cancel fee | On-timeN/A |