$383+ 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
Nov 29 — Dec 61
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 October, booked 19 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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/210:20 pm -
3 stops30h 29m
Deal found 10/25![Multiple Airlines logo]()
$952
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/411:35 pm -
Nonstop15h 50m
Sun 12/68:40 pm -
3 stops34h 58m
Deal found 10/25![Multiple Airlines logo]()
$956
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Fri 11/2710:00 pm -
1 stop28h 35m
Fri 12/111:10 pm -
1 stop19h 20m
Deal found 10/27![Air China logo]()
$960
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1811:35 pm -
Nonstop15h 50m
Fri 12/410:20 pm -
2 stops35h 50m
Deal found 10/28![Multiple Airlines logo]()
$961
This Ethiopian Air deal was found by Cheapflights users on 10/27. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:00 am -
1 stop39h 45m
Sat 12/1212:10 am -
2 stops45h 50m
Deal found 10/27![Ethiopian Air logo]()
$962
This Trip.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/2311:35 pm -
Nonstop15h 50m
Mon 12/79:55 pm -
1 stop34h 35m
Deal found 10/27![Multiple Airlines logo]()
$964
This Super.com deal was found by Cheapflights users on 10/28. 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 11/2511:35 pm -
Nonstop15h 50m
Wed 12/29:05 pm -
Nonstop13h 30m
Deal found 10/28![AIR PREMIA logo]()
$965
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:05 pm -
1 stop24h 25m
Wed 11/1812:20 am -
1 stop29h 35m
Deal found 10/30![Qatar Airways logo]()
$968
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:35 pm -
Nonstop15h 50m
Sun 12/69:05 pm -
Nonstop13h 30m
Deal found 10/25![AIR PREMIA logo]()
$969
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/238:50 pm -
2 stops28h 55m
Sun 12/612:10 am -
2 stops32h 55m
Deal found 10/27![Ethiopian Air logo]()
$972
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1811:35 pm -
Nonstop15h 50m
Wed 12/210:20 pm -
2 stops35h 52m
Deal found 10/28![Multiple Airlines logo]()
$973
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1811:35 pm -
Nonstop15h 50m
Thu 12/101:20 pm -
2 stops39h 29m
Deal found 10/28![Multiple Airlines logo]()
$974
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 October 30, 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 October 30, 2026.
This Qatar Airways deal was found by Cheapflights users on 10/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/299:00 pm -
1 stop31h 05m
Mon 4/191:40 pm -
2 stops39h 00m
Deal found 10/26![Qatar Airways logo]()
$1,181
This Cathay Pacific deal was found by Cheapflights users on 10/28. 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.
Mon 3/226:00 am -
2 stops29h 40m
Thu 4/158:00 am -
2 stops28h 36m
Deal found 10/28![Cathay Pacific logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/197:00 am -
1 stop19h 25m
Wed 11/256:00 pm -
2 stops20h 30m
Deal found 10/29![United Airlines logo]()
$1,263
This Ethiopian Air deal was found by Cheapflights users on 10/29. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/249:20 pm -
2 stops29h 40m
Sat 5/112:20 am -
2 stops45h 35m
Deal found 10/29![Ethiopian Air logo]()
$1,414
This Korean Air deal was found by Cheapflights users on 10/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/911:50 am -
Nonstop15h 50m
Tue 4/2010:25 am -
Nonstop13h 50m
Deal found 10/27![Korean Air logo]()
$1,506
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 11/167:46 am -
2 stops24h 19m
Wed 11/258:15 am -
2 stops35h 25m
Deal found 10/27![Japan Airlines logo]()
$1,595
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/117:46 am -
1 stop19h 49m
Thu 11/128:00 pm -
2 stops35h 40m
Deal found 10/26![Alaska Airlines logo]()
$1,601
This Japan Airlines deal was found by Cheapflights users on 10/28. 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
Mon 2/88:15 am -
2 stops29h 41m
Deal found 10/28![Multiple Airlines logo]()
$1,621
This Delta deal was found by Cheapflights users on 10/26. 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 11/225:00 pm -
1 stop32h 30m
Fri 1/86:45 pm -
1 stop19h 05m
Deal found 10/26![Delta logo]()
$1,659
This Qatar Airways deal was found by Cheapflights users on 10/29. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/239:05 pm -
2 stops34h 50m
Fri 4/21:20 am -
1 stop27h 20m
Deal found 10/29![Qatar Airways logo]()
$1,212
This Cathay Pacific deal was found by Cheapflights users on 10/25. 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.
Mon 2/16:00 am -
2 stops40h 45m
Wed 3/310:00 am -
2 stops26h 48m
Deal found 10/25![Cathay Pacific logo]()
$1,221
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/126:15 am -
1 stop20h 00m
Sun 11/156:30 pm -
1 stop17h 55m
Deal found 10/29![United Airlines logo]()
$1,309
This Cathay Pacific deal was found by Cheapflights users on 10/29. 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.
Mon 1/115:30 pm -
2 stops41h 10m
Sun 2/141:55 am -
2 stops35h 38m
Deal found 10/29![Cathay Pacific logo]()
$1,359
This Korean Air deal was found by Cheapflights users on 10/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/66:00 am -
1 stop19h 30m
Sat 2/1310:15 am -
Nonstop13h 35m
Deal found 10/28![Korean Air logo]()
$1,611
This Japan Airlines deal was found by Cheapflights users on 10/26. 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 29m
Deal found 10/26![Multiple Airlines logo]()
$1,670
This Japan Airlines deal was found by Cheapflights users on 10/30. 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 4/16:00 am -
2 stops26h 15m
Tue 4/67:15 pm -
2 stops34h 50m
Deal found 10/30![Multiple Airlines logo]()
$1,937
This Japan Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/286:00 am -
2 stops26h 05m
Wed 2/107:40 pm -
2 stops47h 51m
Deal found 10/29![Multiple Airlines logo]()
$2,014
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 3/167:16 am -
2 stops25h 49m
Fri 3/268:15 am -
2 stops28h 18m
Deal found 10/27![Multiple Airlines logo]()
$2,086
This Japan Airlines deal was found by Cheapflights users on 10/25. 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 3/296:00 am -
2 stops26h 15m
Mon 4/197:15 pm -
2 stops34h 50m
Deal found 10/25![Multiple Airlines logo]()
$2,095
Last-minute flights from Dulles Intl to SeoulDiscover last-minute flight deals from Dulles Intl to Seoul. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Seoul. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/411:35 pm -
Nonstop15h 50m
Sun 12/68:40 pm -
3 stops34h 58m
Deal found 10/25![Multiple Airlines logo]()
$956
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:05 pm -
1 stop24h 25m
Wed 11/1812:20 am -
1 stop29h 35m
Deal found 10/30![Qatar Airways logo]()
$968
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:35 pm -
Nonstop15h 50m
Sun 12/69:05 pm -
Nonstop13h 30m
Deal found 10/25![AIR PREMIA logo]()
$969
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1811:35 pm -
Nonstop15h 50m
Fri 12/410:20 pm -
2 stops35h 50m
Deal found 10/28![Multiple Airlines logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1811:35 pm -
Nonstop15h 50m
Wed 12/210:20 pm -
2 stops35h 52m
Deal found 10/28![Multiple Airlines logo]()
$973
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1811:35 pm -
Nonstop15h 50m
Thu 12/101:20 pm -
2 stops39h 29m
Deal found 10/28![Multiple Airlines logo]()
$974
This Trip.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/2311:35 pm -
Nonstop15h 50m
Mon 12/79:55 pm -
1 stop34h 35m
Deal found 10/27![Multiple Airlines logo]()
$964
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/238:50 pm -
2 stops28h 55m
Sun 12/612:10 am -
2 stops32h 55m
Deal found 10/27![Ethiopian Air logo]()
$972
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/210:20 pm -
3 stops30h 29m
Deal found 10/25![Multiple Airlines logo]()
$952
This Super.com deal was found by Cheapflights users on 10/28. 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 11/2511:35 pm -
Nonstop15h 50m
Wed 12/29:05 pm -
Nonstop13h 30m
Deal found 10/28![AIR PREMIA logo]()
$965
This Ethiopian Air deal was found by Cheapflights users on 10/27. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:00 am -
1 stop39h 45m
Sat 12/1212:10 am -
2 stops45h 50m
Deal found 10/27![Ethiopian Air logo]()
$962
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Fri 11/2710:00 pm -
1 stop28h 35m
Fri 12/111:10 pm -
1 stop19h 20m
Deal found 10/27![Air China logo]()
$960
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 October 30, 2026.
Search for one-way flight options from Dulles Intl to Seoul. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 10/28![AIR PREMIA logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/2711:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![AIR PREMIA logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/2211:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![AIR PREMIA logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 2/711:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![AIR PREMIA logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 2/1911:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![AIR PREMIA logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 1/2911:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![AIR PREMIA logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 2/2611:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![AIR PREMIA logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 2/2111:35 pm -
Nonstop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![AIR PREMIA logo]()
$416
This Super.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/911:55 pm -
1 stop29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![EVA Air logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/167:32 am -
3 stops39h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$626
This Super.com deal was found by Cheapflights users on 10/28. 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.
Mon 2/811:55 pm -
1 stop29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![EVA Air logo]()
$634
This Super.com deal was found by Cheapflights users on 10/29. 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.
Mon 4/191:15 am -
1 stop29h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![EVA Air logo]()
$639
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $952 (Kiwi.com) |
One-way from | $383 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $1,181 |
Good round-trip deal | $950 or less |
Good one-way deal | $365 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 October 30, 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
Sat 1/30
6:37 am-9:20 pm
3 stops48h 43m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$473
Quickest round-trip
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Mon 3/1
11:35 pm-5:25 am
Nonstop15h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$500
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Mon 2/15
6:00 am-12:40 am
2 stops28h 40m
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 2/17
6:00 am-12:40 am
2 stops28h 40m
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 11/11
6:00 am-12:40 am
2 stops28h 40m
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 1/27
6:00 am-12:40 am
2 stops28h 40m
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
Tue 4/13
7:00 am-10:25 pm
2 stops26h 25m
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
Mon 2/8
11:35 pm-5:25 am
Nonstop15h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$589
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Thu 2/4
6:00 am-12:40 am
2 stops28h 40m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$627
Washington, D.C.Incheon
IAD Washington, D.C. Dulles Intl - ICN Incheon Intl
IADICN
Washington, D.C. Dulles Intl
Sun 11/8
6:00 am-12:40 am
2 stops28h 40m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$641
Showing 1-10 of 40 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 October.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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 $1,204). Flying from Washington, D.C. Dulles Intl Airport to Seoul in December is currently the most expensive (average of $1,992). 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 October 30, 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.
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 $1,089 and $1,401 in November.The cheapest round-trip price found within the last 5 days was $952 on Multiple Airlines (Nov 25-Dec 2).
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 20 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 October 30, 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.
Overall
8.5
Food
8.1
Comfort
8.3
Entertainment
8.0
Crew
8.7
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
SEA - TPE
Overall
8.5
Food
8.1
Comfort
8.3
Entertainment
8.0
Crew
8.7
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
SEA - TPE
Overall
8.5
Food
8.1
Comfort
8.3
Entertainment
8.0
Crew
8.7
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
SEA - TPE
Overall
8.5
Food
8.1
Comfort
8.3
Entertainment
8.0
Crew
8.7
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
SEA - TPE
Overall
8.5
Food
8.1
Comfort
8.3
Entertainment
8.0
Crew
8.7
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
SEA - TPE
Overall
8.5
Food
8.1
Comfort
8.3
Entertainment
8.0
Crew
8.7
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
SEA - 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 October 30, 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 October 30, 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 October 30, 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$588 | Average$1,759 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$687 | Average$1,566 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$816 | Average$1,592 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$844 | Average$1,259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$929 | Average$1,109 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$959 | Average$1,087 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,079 | Average$1,400 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,314 | Average$1,744 | FlexibilityNo cancel fee | On-time81% |