$530+ Cheap flights from Seoul (SEL) to Dulles Intl (IAD)
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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — IAD
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Seoul to Dulles Intl 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
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Cheapest flights from Seoul to Dulles IntlExplore the most affordable flight options available from Seoul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Seoul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
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.
Mon 10/59:25 pm -
2 stops49h 52m
Mon 10/191:20 pm -
Nonstop15h 35m
Deal found 9/14![Multiple Airlines logo]()
$957
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 pm -
2 stops49h 26m
Wed 11/1111:35 pm -
Nonstop15h 50m
Deal found 9/13![Multiple Airlines logo]()
$958
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/289:55 pm -
2 stops38h 48m
Sun 11/111:35 pm -
Nonstop15h 50m
Deal found 9/9![Multiple Airlines logo]()
$991
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 pm -
3 stops38h 48m
Wed 11/411:35 pm -
Nonstop15h 50m
Deal found 9/13![Multiple Airlines logo]()
$1,036
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/257:45 pm -
2 stops47h 35m
Sun 11/111:35 pm -
Nonstop15h 50m
Deal found 9/9![Multiple Airlines logo]()
$1,040
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2910:35 pm -
3 stops55h 43m
Wed 10/141:20 pm -
Nonstop15h 35m
Deal found 9/10![Multiple Airlines logo]()
$1,074
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:00 am -
Nonstop13h 50m
Mon 10/191:20 pm -
Nonstop15h 35m
Deal found 9/14![AIR PREMIA logo]()
$1,098
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/269:55 pm -
2 stops56h 17m
Mon 11/211:35 pm -
Nonstop15h 50m
Deal found 9/11![Multiple Airlines logo]()
$1,101
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/299:55 pm -
2 stops32h 17m
Wed 11/411:35 pm -
Nonstop15h 50m
Deal found 9/9![Multiple Airlines logo]()
$1,102
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:40 pm -
1 stop34h 25m
Mon 10/1912:15 pm -
1 stop21h 05m
Deal found 9/14![ANA logo]()
$1,268
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:55 pm -
1 stop27h 10m
Mon 9/2812:15 pm -
1 stop21h 05m
Deal found 9/12![ANA logo]()
$1,272
This Expedia deal was found by Cheapflights users on 9/9. 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 12/97:50 pm -
1 stop27h 20m
Tue 12/2211:10 am -
1 stop21h 20m
Deal found 9/9![ANA logo]()
$1,275
Best flights from Seoul to Dulles IntlDiscover carefully curated flight deals from Seoul to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Seoul to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Philippine Airlines deal was found by Cheapflights users on 9/11. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 am -
2 stops35h 02m
Mon 11/26:00 am -
2 stops34h 05m
Deal found 9/11![Multiple Airlines logo]()
$1,134
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 12/286:00 pm -
1 stop20h 59m
Fri 1/17:39 pm -
1 stop20h 01m
Deal found 9/10![United Airlines logo]()
$1,276
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:55 pm -
1 stop27h 10m
Tue 10/2012:15 pm -
1 stop21h 05m
Deal found 9/9![ANA logo]()
$1,282
This Qatar Airways deal was found by Cheapflights users on 9/10. 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.
Thu 12/3112:20 am -
1 stop29h 35m
Mon 1/48:05 pm -
1 stop31h 10m
Deal found 9/10![Qatar Airways logo]()
$1,618
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.
Sat 12/2610:15 am -
Nonstop13h 35m
Sun 1/246:30 pm -
1 stop33h 15m
Deal found 9/12![Delta logo]()
$1,670
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:15 pm -
1 stop17h 12m
Fri 10/166:45 am -
1 stop19h 35m
Deal found 9/12![United Airlines logo]()
$1,278
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:50 pm -
1 stop27h 20m
Wed 11/411:10 am -
1 stop21h 20m
Deal found 9/10![ANA logo]()
$1,285
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 12/256:00 pm -
2 stops25h 19m
Sat 1/210:12 pm -
2 stops28h 03m
Deal found 9/10![United Airlines logo]()
$1,282
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.
Mon 10/58:00 am -
2 stops34h 40m
Mon 10/196:42 am -
2 stops25h 33m
Deal found 9/14![Multiple Airlines logo]()
$1,412
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.
Tue 12/17:50 pm -
1 stop27h 20m
Fri 1/111:10 am -
1 stop34h 00m
Deal found 9/14![ANA logo]()
$1,298
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:40 pm -
1 stop34h 25m
Sun 10/1812:15 pm -
1 stop21h 05m
Deal found 9/12![ANA logo]()
$1,352
This Delta deal was found by Cheapflights users on 9/11. 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 10/207:30 pm -
1 stop29h 20m
Tue 11/1011:50 am -
Nonstop15h 50m
Deal found 9/11![Delta logo]()
$1,725
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:00 am -
2 stops25h 08m
Tue 11/1012:37 pm -
2 stops27h 03m
Deal found 9/13![United Airlines logo]()
$1,500
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Tue 9/297:55 pm -
1 stop27h 10m
Wed 10/1412:15 pm -
1 stop21h 05m
Deal found 9/10![ANA logo]()
$1,373
This Delta deal was found by Cheapflights users on 9/9. 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 10/67:30 pm -
1 stop29h 20m
Tue 10/201:15 pm -
Nonstop15h 25m
Deal found 9/9![Delta logo]()
$1,728
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:30 pm -
1 stop41h 00m
Thu 1/75:40 pm -
1 stop22h 00m
Deal found 9/13![United Airlines logo]()
$1,504
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:55 pm -
1 stop27h 10m
Thu 10/2912:15 pm -
1 stop21h 15m
Deal found 9/13![ANA logo]()
$1,376
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.
Thu 11/1210:15 am -
Nonstop13h 35m
Tue 5/116:30 pm -
1 stop34h 20m
Deal found 9/12![Delta logo]()
$1,728
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Wed 12/167:50 pm -
1 stop27h 20m
Wed 3/1712:15 pm -
1 stop21h 15m
Deal found 9/11![ANA logo]()
$1,376
This YBTour deal was found by Cheapflights users on 9/10. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:40 pm -
1 stop34h 25m
Sun 10/258:23 am -
2 stops37h 47m
Deal found 9/10![ANA logo]()
$1,385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm -
1 stop41h 55m
Thu 1/74:10 pm -
1 stop23h 30m
Deal found 9/13![United Airlines logo]()
$1,679
This KAYAK deal was found by Cheapflights users on 9/9. 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 10/2812:20 pm -
1 stop34h 50m
Sun 11/111:10 am -
1 stop21h 20m
Deal found 9/9![ANA logo]()
$1,400
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 11/117:50 pm -
1 stop27h 20m
Mon 12/2111:10 am -
1 stop21h 20m
Deal found 9/14![ANA logo]()
$1,596
Last-minute flights from Seoul to Dulles IntlDiscover last-minute flight deals from Seoul to Dulles Intl. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Dulles Intl. Data last updated September 14, 2026 and is based on user searches.
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:55 pm -
1 stop27h 10m
Mon 9/2812:15 pm -
1 stop21h 05m
Deal found 9/12![ANA logo]()
$1,272
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2910:35 pm -
3 stops55h 43m
Wed 10/141:20 pm -
Nonstop15h 35m
Deal found 9/10![Multiple Airlines logo]()
$1,074
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.
Mon 10/59:25 pm -
2 stops49h 52m
Mon 10/191:20 pm -
Nonstop15h 35m
Deal found 9/14![Multiple Airlines logo]()
$957
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:00 am -
Nonstop13h 50m
Mon 10/191:20 pm -
Nonstop15h 35m
Deal found 9/14![AIR PREMIA logo]()
$1,098
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:40 pm -
1 stop34h 25m
Mon 10/1912:15 pm -
1 stop21h 05m
Deal found 9/14![ANA logo]()
$1,268
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:55 pm -
1 stop27h 10m
Tue 10/2012:15 pm -
1 stop21h 05m
Deal found 9/9![ANA logo]()
$1,282
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/257:45 pm -
2 stops47h 35m
Sun 11/111:35 pm -
Nonstop15h 50m
Deal found 9/9![Multiple Airlines logo]()
$1,040
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/269:55 pm -
2 stops56h 17m
Mon 11/211:35 pm -
Nonstop15h 50m
Deal found 9/11![Multiple Airlines logo]()
$1,101
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 pm -
2 stops49h 26m
Wed 11/1111:35 pm -
Nonstop15h 50m
Deal found 9/13![Multiple Airlines logo]()
$958
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/289:55 pm -
2 stops38h 48m
Sun 11/111:35 pm -
Nonstop15h 50m
Deal found 9/9![Multiple Airlines logo]()
$991
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 pm -
3 stops38h 48m
Wed 11/411:35 pm -
Nonstop15h 50m
Deal found 9/13![Multiple Airlines logo]()
$1,036
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/299:55 pm -
2 stops32h 17m
Wed 11/411:35 pm -
Nonstop15h 50m
Deal found 9/9![Multiple Airlines logo]()
$1,102
One-way flights from Seoul to Dulles IntlSearch for one-way flight options from Seoul to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Seoul to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/279:55 pm -
2 stops48h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/119:55 pm -
3 stops39h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/59:25 pm -
2 stops56h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/289:55 pm -
2 stops38h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/69:25 pm -
2 stops56h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/269:55 pm -
2 stops38h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/299:55 pm -
2 stops38h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/229:25 pm -
2 stops56h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/112:10 pm -
3 stops56h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$650
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:20 pm -
3 stops55h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/510:50 am -
3 stops45h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$722
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:10 am -
3 stops37h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$731
Find flight deals from Seoul to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Dulles Intl (IAD). 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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $958 (Kiwi.com) |
One-way from | $530 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $1,427 |
Good round-trip deal | $1,230 or less |
Good one-way deal | $836 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul to Dulles Intl 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 14, 2026.
Use the filters below to find and compare flights from Seoul to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonWashington, D.C.
ICN Incheon Intl - IAD Washington, D.C. Dulles Intl
ICNIAD
Incheon Intl
Wed 10/7
7:20 am-5:32 am
2 stops35h 12m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$654
IncheonWashington, D.C.
ICN Incheon Intl - IAD Washington, D.C. Dulles Intl
ICNIAD
Incheon Intl
Wed 11/11
7:30 am-5:44 am
2 stops36h 14m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$665
SeoulWashington, D.C.
GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl
GMPIAD
Seoul Gimpo Intl
Mon 10/5
10:50 am-7:30 pm
3 stops45h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$722
IncheonWashington, D.C.
ICN Incheon Intl - IAD Washington, D.C. Dulles Intl
ICNIAD
Incheon Intl
Wed 12/23
6:55 pm-11:43 am
2 stops30h 48m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$779
SeoulWashington, D.C.
GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl
GMPIAD
Seoul Gimpo Intl
Fri 10/16
7:20 am-5:40 am
3 stops35h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$787
SeoulWashington, D.C.
GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl
GMPIAD
Seoul Gimpo Intl
Mon 9/28
8:00 am-5:40 am
2 stops34h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$800
IncheonWashington, D.C.
ICN Incheon Intl - IAD Washington, D.C. Dulles Intl
ICNIAD
Incheon Intl
Sun 10/18
4:50 pm-5:46 am
1 stop25h 56m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$800
SeoulWashington, D.C.
GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl
GMPIAD
Seoul Gimpo Intl
Wed 10/7
8:00 am-5:32 am
2 stops34h 32m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$812
SeoulWashington, D.C.
GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl
GMPIAD
Seoul Gimpo Intl
Thu 10/15
8:00 am-11:23 pm
2 stops28h 23m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$814
SeoulWashington, D.C.
GMP Seoul Gimpo Intl - IAD Washington, D.C. Dulles Intl
GMPIAD
Seoul Gimpo Intl
Sun 9/27
8:00 am-5:40 am
2 stops34h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$867
Showing 1-10 of 40 resultsSorted by cheapest first
Compare providers for flights from Seoul to Dulles Intl
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 Seoul to Dulles Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seoul-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seoul-Washington, D.C. Dulles Intl Airport 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 Seoul-Washington, D.C. Dulles Intl Airport 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 Seoul to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Seoul with our price prediction graph.
SEL-IAD
ICN-IAD
GMP-IAD
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 Seoul to Washington, D.C. Dulles Intl Airport
SEL-IAD
ICN-IAD
GMP-IAD
What is the cheapest month to book a flight from Seoul to Washington, D.C. Dulles Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Seoul to Washington, D.C. Dulles Intl Airport (average of $511). Flying from Seoul to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $1,775). 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 SEL to IAD?
Find hourly flight availability from Seoul to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Washington, D.C. Dulles Intl Airport as you normally would.
Weekly flight availability from Seoul to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Seoul to Dulles Intl. 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 14, 2026.
The most flights from SEL to IAD 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 far ahead should I book a flight from Seoul to Washington, D.C. Dulles Intl Airport?
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 14, 2026.
Get a feel of what it's like to fly with Korean Air,AIR PREMIA, andDelta from Seoul to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Crew
8.7
Comfort
8.3
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Crew
8.7
Comfort
8.3
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Crew
8.7
Comfort
8.3
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Crew
8.7
Comfort
8.3
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Crew
8.7
Comfort
8.3
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Crew
8.7
Comfort
8.3
Food
8.1
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Seoul to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Chantilly
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 14, 2026.
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Seoul and Dulles Intl flights
Browse other Seoul and Dulles Intl flight options. Last updated on September 14, 2026.
Other flights from Seoul
Browse through other flights departing from Seoul. Flights are based on user searches made on Cheapflights and were last updated on September 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seoul to Dulles Intl
Discover the top 5 airlines that operate flights from Seoul to Dulles Intl. 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$478 | Average$723 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$494 | Average$594 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$888 | Average$1,171 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,257 | Average$1,569 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,297 | Average$1,950 | FlexibilityNo cancel fee | On-timeN/A |