Washington DC to Seoul flights (IAD → ICN)
Looking for Washington DC to Seoul flights? Cheapest round-trip I’ve found: US$1,020 on EVA Air, 1 stop(s), departing 2027-03-01. That’s US$375 below the typical price for this route. Cheap flights from Washington DC to Seoul change daily — I re-check this route three times a day.
Deal score: Good price — cheaper than 69% of prices I’ve seen on this route.
Best months to fly Washington DC to Seoul
| Month | Cheapest seen |
|---|---|
| October | US$972 |
| September | US$993 |
| February | US$1,014 |
| March | US$1,020 |
| December | US$1,052 |
How to book this fare
I don’t sell tickets — I track prices and point you to where to look. To book Washington DC to Seoul flights:
- Search Washington DC to Seoul on Google Flights for the dates shown above (Mar 2027) — the fare I found is usually still available there.
- Compare the same dates on metasearch sites like Skyscanner or KAYAK to confirm you’re seeing the lowest price.
- Book directly with the airline when you can — it’s often the same price and makes changes or cancellations much easier.
Fares change constantly. If the price has moved, check back — I re-check this route daily.
Other Washington DC to … flights
- Washington DC to Christchurch flights — US$1,634
- Washington DC to Perth flights — US$1,636
- Washington DC to Buenos Aires flights — US$734
- Washington DC to Tokyo Narita flights — US$1,173
- Washington DC to Sydney flights — US$1,463
- Washington DC to Sao Paulo flights — US$934
- Washington DC to Cairns flights — US$2,407
- Washington DC to Paris flights — US$687
All flights to Seoul · All flights from Washington DC
Prices last checked: 2026-09-25, 6:16:55 a.m.. Prices are indicative and change quickly — confirm on the airline site before booking. See how I find these deals.