$384+ Cheap flights from Dulles Intl (IAD) to Seoul (SEL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEL
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl 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.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Seoul are usually found in February or March, booked 42 days in advance, depart on a Wednesday or Friday and return on a Friday
Cheap flight deals from Dulles Intl to Seoul
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Cheapest flights from Dulles Intl to SeoulExplore the most affordable flight options available from Dulles Intl to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Dulles Intl to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:20 pm -
Nonstop15h 35m
Mon 10/510:00 am -
Nonstop13h 50m
Deal found 9/15![AIR PREMIA logo]()
$948
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:20 pm -
Nonstop15h 35m
Fri 10/210:00 am -
Nonstop13h 50m
Deal found 9/14![AIR PREMIA logo]()
$949
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/301:20 pm -
Nonstop15h 35m
Mon 10/59:25 pm -
2 stops49h 52m
Deal found 9/15![Multiple Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:35 pm -
Nonstop15h 50m
Wed 11/187:45 pm -
3 stops29h 51m
Deal found 9/14![Multiple Airlines logo]()
$951
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:35 pm -
Nonstop15h 50m
Wed 11/259:05 pm -
Nonstop13h 30m
Deal found 9/16![AIR PREMIA logo]()
$953
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:20 pm -
Nonstop15h 35m
Mon 9/2810:00 am -
Nonstop13h 50m
Deal found 9/13![AIR PREMIA logo]()
$955
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:20 pm -
Nonstop15h 35m
Mon 10/1210:00 am -
Nonstop13h 50m
Deal found 9/15![AIR PREMIA logo]()
$956
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:35 pm -
Nonstop15h 50m
Mon 11/309:05 pm -
Nonstop13h 30m
Deal found 9/16![AIR PREMIA logo]()
$957
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:20 pm -
Nonstop15h 35m
Fri 10/27:15 pm -
2 stops48h 05m
Deal found 9/14![Multiple Airlines logo]()
$959
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Mon 9/211:20 pm -
Nonstop15h 35m
Mon 10/1210:00 am -
Nonstop13h 50m
Deal found 9/16![AIR PREMIA logo]()
$961
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Wed 9/161:20 pm -
Nonstop15h 35m
Mon 10/1210:00 am -
Nonstop13h 50m
Deal found 9/16![AIR PREMIA logo]()
$963
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:15 am -
1 stop29h 00m
Tue 9/227:15 pm -
1 stop39h 45m
Deal found 9/14![EVA Air logo]()
$1,026
Best flights from Dulles Intl to SeoulDiscover carefully curated flight deals from Dulles Intl to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Dulles Intl to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This EVA Air deal was found by Cheapflights users on 9/14. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:15 am -
1 stop29h 00m
Tue 11/107:00 pm -
1 stop39h 55m
Deal found 9/14![EVA Air logo]()
$1,074
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:30 pm -
1 stop38h 50m
Thu 11/2612:05 am -
1 stop25h 40m
Deal found 9/14![Turkish Airlines logo]()
$1,102
This Cathay Pacific deal was found by Cheapflights users on 9/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
2 stops40h 40m
Wed 10/78:05 pm -
2 stops46h 27m
Deal found 9/15![Multiple Airlines logo]()
$1,176
This Cathay Pacific deal was found by Cheapflights users on 9/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
2 stops42h 50m
Wed 11/410:00 am -
2 stops33h 38m
Deal found 9/15![Cathay Pacific logo]()
$1,221
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:50 pm -
Nonstop15h 50m
Wed 11/410:15 am -
Nonstop13h 35m
Deal found 9/15![Delta logo]()
$1,244
This EVA Air deal was found by Cheapflights users on 9/13. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:15 am -
1 stop20h 45m
Sat 10/3111:40 am -
1 stop23h 15m
Deal found 9/13![EVA Air logo]()
$1,154
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:13 pm -
2 stops40h 27m
Wed 11/43:00 pm -
2 stops46h 30m
Deal found 9/16![Multiple Airlines logo]()
$1,181
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops47h 35m
Thu 11/53:00 pm -
2 stops28h 38m
Deal found 9/16![Cathay Pacific logo]()
$1,230
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop18h 55m
Wed 11/2510:15 am -
Nonstop13h 35m
Deal found 9/16![Delta logo]()
$1,248
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
2 stops42h 50m
Fri 11/61:55 am -
2 stops35h 35m
Deal found 9/16![Cathay Pacific logo]()
$1,271
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:14 am -
1 stop19h 06m
Wed 11/410:15 am -
Nonstop13h 35m
Deal found 9/16![Delta logo]()
$1,298
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop21h 40m
Sat 11/710:15 am -
Nonstop13h 35m
Deal found 9/16![Delta logo]()
$1,348
This Japan Airlines deal was found by Cheapflights users on 9/14. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:00 am -
2 stops26h 05m
Tue 2/212:05 pm -
2 stops25h 47m
Deal found 9/14![Multiple Airlines logo]()
$1,621
This Japan Airlines deal was found by Cheapflights users on 9/16. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
2 stops26h 05m
Sun 12/208:15 am -
2 stops35h 55m
Deal found 9/16![Multiple Airlines logo]()
$1,634
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 1/136:40 am -
1 stop20h 00m
Wed 1/2010:15 am -
Nonstop13h 35m
Deal found 9/12![Delta logo]()
$1,508
This Japan Airlines deal was found by Cheapflights users on 9/12. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:42 am -
2 stops25h 33m
Fri 11/138:15 am -
2 stops35h 23m
Deal found 9/12![Multiple Airlines logo]()
$1,737
This Japan Airlines deal was found by Cheapflights users on 9/12. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:09 pm -
2 stops36h 56m
Thu 11/1912:05 pm -
2 stops31h 25m
Deal found 9/12![Multiple Airlines logo]()
$1,774
This Japan Airlines deal was found by Cheapflights users on 9/15. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops26h 05m
Fri 12/412:05 pm -
2 stops31h 33m
Deal found 9/15![Multiple Airlines logo]()
$1,841
This Japan Airlines deal was found by Cheapflights users on 9/15. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops26h 05m
Fri 11/208:15 am -
2 stops35h 15m
Deal found 9/15![Multiple Airlines logo]()
$1,845
Last-minute flights from Dulles Intl to SeoulDiscover last-minute flight deals from Dulles Intl to Seoul. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Seoul. Data last updated September 17, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Wed 9/161:20 pm -
Nonstop15h 35m
Mon 10/1210:00 am -
Nonstop13h 50m
Deal found 9/16![AIR PREMIA logo]()
$963
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:15 am -
1 stop22h 35m
Tue 9/227:15 pm -
1 stop39h 45m
Deal found 9/14![EVA Air logo]()
$1,026
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:15 am -
1 stop22h 35m
Sat 9/261:50 pm -
1 stop21h 10m
Deal found 9/14![EVA Air logo]()
$1,067
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:20 pm -
Nonstop15h 35m
Fri 10/210:00 am -
Nonstop13h 50m
Deal found 9/14![AIR PREMIA logo]()
$949
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:20 pm -
Nonstop15h 35m
Fri 10/27:15 pm -
2 stops48h 05m
Deal found 9/14![Multiple Airlines logo]()
$959
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Mon 9/211:20 pm -
Nonstop15h 35m
Mon 10/1210:00 am -
Nonstop13h 50m
Deal found 9/16![AIR PREMIA logo]()
$961
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Mon 9/211:20 pm -
Nonstop15h 35m
Mon 11/169:05 pm -
Nonstop13h 30m
Deal found 9/15![AIR PREMIA logo]()
$964
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:20 pm -
Nonstop15h 35m
Mon 10/510:00 am -
Nonstop13h 50m
Deal found 9/15![AIR PREMIA logo]()
$948
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/301:20 pm -
Nonstop15h 35m
Mon 10/59:25 pm -
2 stops49h 52m
Deal found 9/15![Multiple Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:20 pm -
Nonstop15h 35m
Wed 10/77:15 pm -
2 stops24h 05m
Deal found 9/14![Multiple Airlines logo]()
$965
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:20 pm -
Nonstop15h 35m
Mon 10/1210:00 am -
Nonstop13h 50m
Deal found 9/15![AIR PREMIA logo]()
$956
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/121:20 pm -
Nonstop15h 35m
Sat 10/246:00 pm -
2 stops25h 20m
Deal found 9/15![Multiple Airlines logo]()
$966
One-way flights from Dulles Intl to SeoulSearch for one-way flight options from Dulles Intl to Seoul. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Dulles Intl to Seoul. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 11/2511:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![AIR PREMIA logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:20 pm -
Nonstop15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![AIR PREMIA logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![AIR PREMIA logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![AIR PREMIA logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 9/251:20 pm -
Nonstop15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![AIR PREMIA logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:20 pm -
Nonstop15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![AIR PREMIA logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:31 pm -
2 stops42h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
2 stops26h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:35 pm -
2 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:06 pm -
3 stops56h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$457
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Mon 10/121:15 am -
1 stop29h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![EVA Air logo]()
$588
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:15 am -
1 stop29h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![EVA Air logo]()
$590
Find flight deals from Dulles Intl to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $948 (Super.com) |
One-way from | $384 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $1,302 |
Good round-trip deal | $1,070 or less |
Good one-way deal | $485 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Mon 2/15
6:10 am-12:40 am
2 stops28h 30m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$581
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Thu 2/25
5:50 pm-12:40 am
2 stops40h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$581
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Wed 9/30
7:00 am-2:05 pm
2 stops42h 05m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$582
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Mon 10/12
1:15 am-6:45 pm
1 stop28h 30m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$613
Quickest round-trip
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Tue 10/20
1:15 pm-5:40 pm
Nonstop15h 25m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$675
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Wed 10/14
6:13 am-3:20 pm
1 stop20h 07m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$679
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Wed 1/6
1:30 pm-6:20 pm
1 stop38h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$713
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Thu 12/31
6:00 am-12:40 am
2 stops28h 40m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$722
Washington, D.C.Seoul
IAD Washington, D.C. Dulles Intl - GMP Seoul Gimpo Intl
IADGMP
Washington, D.C. Dulles Intl
Fri 10/30
1:15 am-7:25 pm
2 stops53h 10m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$726
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Tue 10/20
7:02 am-10:25 pm
2 stops26h 23m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$732
Showing 1-10 of 39 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Seoul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Seoul in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Dulles Intl with our price prediction graph.
IAD-SEL
IAD-ICN
IAD-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 Washington, D.C. Dulles Intl Airport to Seoul
IAD-SEL
IAD-ICN
IAD-GMP
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Seoul?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Seoul (average of $1,256). Flying from Washington, D.C. Dulles Intl Airport to Seoul in December is currently the most expensive (average of $2,146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to SEL?
Find hourly flight availability from Dulles Intl to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Seoul as you normally would.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Seoul
Explore weekly flight availability from Dulles Intl to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2026.
The most flights from IAD to SEL are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Seoul?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Seoul flights typically cost between $1,092 and $1,476 in September.The cheapest round-trip price found within the last 5 days was $948 on AIR PREMIA (Sep 30-Oct 5).
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Seoul?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Seoul is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
The best insider tips for Washington, D.C. Dulles Intl Airport to Seoul flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Seoul trip
Our travel experts
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated September 17, 2026.
Get a feel of what it's like to fly with EVA Air,Korean Air, andAIR PREMIA from Washington, D.C. Dulles Intl Airport to Seoul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Food
8.1
Boarding
8.4
Crew
8.7
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Food
8.1
Boarding
8.4
Crew
8.7
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Food
8.1
Boarding
8.4
Crew
8.7
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Food
8.1
Boarding
8.4
Crew
8.7
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Food
8.1
Boarding
8.4
Crew
8.7
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Food
8.1
Boarding
8.4
Crew
8.7
Overall
8.5
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Dulles Intl and Seoul flights
Browse other Dulles Intl and Seoul flight options. Last updated on September 17, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 17, 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 September 17, 2026.
Top 8 airlines flying from Dulles Intl to Seoul
Discover the top 8 airlines that operate flights from Dulles Intl 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$392 | Average$1,759 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$685 | Average$1,378 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$687 | Average$1,616 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$808 | Average$1,276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$816 | Average$1,592 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$929 | Average$1,109 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$959 | Average$1,096 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,313 | Average$1,779 | FlexibilityNo cancel fee | On-time81% |