How can I find cheap flights from Dulles International Airport to Incheon Intl. Airport?
Explore the cheapest one-way and round-trip flights from Dulles International Airport to Incheon Intl. Airport over the next 90 days, with one-way fares from €416 and round-trip from €729. Based on Trip.com's latest 7-day flight data.
- Round-trip
- Cheapest
- Recommended
- Fastest
- Next 7 days
- Nonstop
- Cheapest nonstop
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 30 | Air Premia
ICN 9:05 PM13h 30mNonstopIAD 8:35 PMSeoul - Washington D.C. | Wed, Dec 2 | Air Premia€729 €1,20640% off40% off€1,206 €729
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 4 | Air Premia
ICN 9:05 PM13h 30mNonstopIAD 8:35 PMSeoul - Washington D.C. | Wed, Nov 11 | Air Premia€782 €1,20635% off35% off€1,206 €782
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Dec 2 | Air Premia
ICN 9:05 PM13h 30mNonstopIAD 8:35 PMSeoul - Washington D.C. | Sun, Dec 6 | Air Premia€834 €1,20631% off31% off€1,206 €834
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 9 | Air Premia
ICN 9:05 PM13h 30mNonstopIAD 8:35 PMSeoul - Washington D.C. | Wed, Nov 11 | Air Premia€85428% off€1,206 €854
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia
ICN 9:05 PM13h 30mNonstopIAD 8:35 PMSeoul - Washington D.C. | Mon, Nov 9 | Air Premia€85628% off€1,206 €856
IAD 10:00 AM39h 45m1 stopICN 3:45 PMWashington D.C. - Seoul | Fri, Nov 6 | Ethiopian Airlines
ICN 12:10 AM45h 50m1 stopIAD 8:00 AMSeoul - Washington D.C. | Fri, Nov 13 | Ethiopian Airlines€76836% off€1,206 €768
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 13 | Air Premia
ICN 9:55 PM34h 35m1 stopIAD 6:30 PMSeoul - Washington D.C. | Mon, Nov 16 | Air China€76936% off€1,206 €769
IAD 10:00 AM39h 45m1 stopICN 3:45 PMWashington D.C. - Seoul | Sat, Nov 28 | Ethiopian Airlines
ICN 12:10 AM45h 50m1 stopIAD 8:00 AMSeoul - Washington D.C. | Sat, Dec 5 | Ethiopian Airlines€77036% off€1,206 €770
IAD 10:00 AM39h 45m1 stopICN 3:45 PMWashington D.C. - Seoul | Mon, Nov 23 | Ethiopian Airlines
ICN 12:10 AM45h 50m1 stopIAD 8:00 AMSeoul - Washington D.C. | Mon, Nov 30 | Ethiopian Airlines€78335% off€1,206 €783
WAS 1:00 PM17h 25m1 stopSEL 2:00 PMWashington D.C. - Seoul | Thu, Nov 5 | Normal Airline
SEL 3:00 PM6hNonstopWAS 4:00 PMSeoul - Washington D.C. | Sat, Nov 7 | Normal AirlineFind more flightsFind more flights
- Cheapest
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 9 | Air Premia€416 €74444% off44% off€744 €416 - Cheapest
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€416 €74444% off44% off€744 €416 - Cheapest
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€416 €85451% off51% off€854 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€42550% off€854 €425
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€45040% off€744 €450
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 8 | Air Premia€45647% off€854 €456
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 30 | Air Premia€46038% off€744 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 15 | Air Premia€46046% off€854 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 23 | Air Premia€47644% off€854 €476
WAS 1:00 PM17h 25m1 stopSEL 2:00 PMWashington D.C. - Seoul | Thu, Nov 5 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€416 €1,33769% off69% off€1,337 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 9 | Air Premia€416 €1,33769% off69% off€1,337 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€425 €1,33768% off68% off€1,337 €425
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 8 | Air Premia€45666% off€1,337 €456
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 15 | Air Premia€46066% off€1,337 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 23 | Air Premia€47664% off€1,337 €476
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Dec 4 | Air Premia€49263% off€1,337 €492
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Dec 6 | Air Premia€49363% off€1,337 €493
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 18 | Air Premia€52861% off€1,337 €528
WAS 1:00 PM17h 25m1 stopSEL 2:00 PMWashington D.C. - Seoul | Thu, Nov 5 | Normal AirlineFind more flightsFind more flights
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 9 | Air Premia€416 €74444% off44% off€744 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€416 €74444% off44% off€744 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€416 €85451% off51% off€854 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€42550% off€854 €425
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€45040% off€744 €450
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 8 | Air Premia€45647% off€854 €456
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 30 | Air Premia€46038% off€744 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 15 | Air Premia€46046% off€854 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 23 | Air Premia€47644% off€854 €476
WAS 1:00 PM17h 25m1 stopSEL 2:00 PMWashington D.C. - Seoul | Thu, Nov 5 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 9 | Air Premia€416 €2,10880% off80% off€2,108 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€425 €2,10880% off80% off€2,108 €425
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 8 | Air Premia€456 €2,10878% off78% off€2,108 €456
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 4 | Air Premia€60371% off€2,108 €603
IAD 11:50 AM15h 50mNonstopICN 5:40 PMWashington D.C. - Seoul | Wed, Nov 4 | Korean Air€65369% off€2,108 €653
IAD 11:50 AM15h 50mNonstopICN 5:40 PMWashington D.C. - Seoul | Sun, Nov 8 | Korean Air€79862% off€2,108 €798
IAD 11:50 AM15h 50mNonstopICN 5:40 PMWashington D.C. - Seoul | Tue, Nov 10 | Korean Air€1,13946% off€2,108 €1,139
IAD 11:50 AM15h 50mNonstopICN 5:40 PMWashington D.C. - Seoul | Tue, Nov 10 | Delta Air Lines€1,28239% off€2,108 €1,282
IAD 11:50 AM15h 50mNonstopICN 5:40 PMWashington D.C. - Seoul | Sat, Nov 7 | Korean Air€1,33137% off€2,108 €1,331
WAS 1:00 PM17h 25m1 stopSEL 2:00 PMWashington D.C. - Seoul | Thu, Nov 5 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 9 | Air Premia€416 €74444% off44% off€744 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€416 €74444% off44% off€744 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€416 €85451% off51% off€854 €416
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Fri, Nov 6 | Air Premia€42550% off€854 €425
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Wed, Nov 11 | Air Premia€45040% off€744 €450
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 8 | Air Premia€45647% off€854 €456
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 30 | Air Premia€46038% off€744 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Sun, Nov 15 | Air Premia€46046% off€854 €460
IAD 11:35 PM15h 50mNonstopICN 5:25 AMWashington D.C. - Seoul | Mon, Nov 23 | Air Premia€47644% off€854 €476
WAS 1:00 PM17h 25m1 stopSEL 2:00 PMWashington D.C. - Seoul | Thu, Nov 5 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Washington D.C. to Seoul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
Trip.com Price Insights: Flights from Dulles International Airport to Incheon Intl. Airport
What is the cheapest month for one-way flights from Dulles International Airport to Incheon Intl. Airport?
Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Dulles International Airport to Incheon Intl. Airport, the best time to buy is in September, with an average price of €527. You’ll want to avoid December, when the average price can reach as high as €1,636.
What’s the cheapest month to fly round-trip from Dulles International Airport to Incheon Intl. Airport?
Based on Trip.com’s data from the past 12 months, September is typically the cheapest month to find flights from Dulles International Airport to Incheon Intl. Airport, with an average price of €1,046. In contrast, December is usually the most expensive month, with average fares reaching €2,562.
What is the cheapest day of the week to fly from Dulles International Airport to Incheon Intl. Airport?
Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Dulles International Airport to Incheon Intl. Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.
Which airline offers the cheapest flights from Dulles International Airport to Incheon Intl. Airport?
The cheapest airline flying from Dulles International Airport to Incheon Intl. Airport is Air Premia (from €416) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.










Find more flights and airlines
What is the flight schedule from Dulles International Airport to Incheon Intl. Airport?
Check the schedule for flights from Washington D.C. to Seoul and find the flight that best matches your travel plans.
-
YP136
Dulles International Airport
12:35 AM
IAD
5:25 AM
ICN
- - T - T - -Search -
DL1354
Dulles International Airport
7:00 AM
IAD
9:00 AM
ATL
S M T W T F SSearch -
DL672
Hartsfield–Jackson Atlanta International Airport
9:40 AM
ATL
11:59 AM
SFO
S M T W T F S -
YP112
San Francisco Intl. Airport
5:00 PM
SFO
9:40 PM
ICN
- - T - T F S -
F91081
Dulles International Airport
5:35 AM
IAD
7:45 AM
ATL
- M - - - - -Search -
F94315
Hartsfield–Jackson Atlanta International Airport
10:19 AM
ATL
12:19 PM
LAX
S M T W T F S -
YP104
Los Angeles Intl. Airport
10:30 PM
LAX
4:50 AM
ICN
- - T - T - - -
AA1890
Dulles International Airport
6:00 AM
IAD
8:56 AM
LAX
S M T W T F SSearch -
CX885
Los Angeles Intl. Airport
12:25 PM
LAX
6:55 PM
HKG
- - T W T F S -
CX426
Hong Kong Intl. Airport
7:45 PM
HKG
12:25 AM
ICN
S M T W T F S -
TP232
Dulles International Airport
5:25 PM
IAD
5:35 AM
LIS
S M - W - F -Search -
TP822
Humberto Delgado Airport
7:20 AM
LIS
11:05 AM
MXP
S M T W T F S -
CA750
Milan Malpensa Airport
8:00 PM
MXP
12:10 PM
PKX
- M - W T F S -
CA131
Beijing Daxing International Airport
6:05 PM
PKX
8:55 PM
ICN
S M T W T F S -
F94559
Dulles International Airport
8:26 PM
IAD
11:00 PM
DFW
S M T W T F SSearch -
F93999
Dallas Fort Worth International Airport
7:57 PM
DFW
10:13 PM
SFO
S M T W T F S -
YP112
San Francisco Intl. Airport
5:00 PM
SFO
9:40 PM
ICN
- - T - T F S -
F94707
Dulles International Airport
7:40 AM
IAD
9:54 AM
ATL
S M T W T F SSearch -
F94315
Hartsfield–Jackson Atlanta International Airport
10:19 AM
ATL
12:19 PM
LAX
S M T W T F S -
YP102
Los Angeles Intl. Airport
2:50 PM
LAX
8:15 PM
ICN
S M T W T F S
About Dulles International Airport and Incheon Intl. Airport
Learn about Dulles International Airport (IAD) and Incheon Intl. Airport (ICN) — including location, terminals, transportation, and travel tips.
| Flight distance | 11,187.22 km |
|---|---|
| Cheapest one-way ticket price | €416 |
| Cheapest return ticket price | €729 |
FAQs for Dulles International Airport to Incheon Intl. Airport Flights
How long is the flight from Dulles International Airport to Incheon Intl. Airport?
Dulles International Airport to Incheon Intl. Airport takes about 15 hours 38 minutes on average. Actual flight time may vary depending on route, weather and air traffic.How many daily flights are there from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN)?
There are around 3 daily flights from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN).What is the flight schedule from Dulles International Airport to Incheon Intl. Airport?
The earliest flight from Dulles International Airport to Incheon Intl. Airport departs at 00:35, and the last departs at 13:20, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.When are flight tickets from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN) most expensive?
The route from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN) is quite popular. Without considering departure times or holidays, tickets cost around €1,050 in December, the most expensive month to book this route.What is the transportation method from the main airport to downtown in Seoul?
- The distance from Incheon International Airport to downtown is about 48 km. It takes about 1 hour by taxi.
- The distance from Gimpo International Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
Which airline operates the most direct flights from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN)?
Korean Air is a very popular airline operating an average of 582 flights per month.What are the cheapest flights from Dulles International Airport to Incheon Intl. Airport?
One-way flights from Dulles International Airport to Incheon Intl. Airport currently start from €416, and round-trip fares start from €729. The current lowest fare is a Air Premia flight departing on Mon, Nov 9; prices may vary depending on availability.Which airlines offer direct flights from Dulles International Airport to Incheon Intl. Airport?
Yes. Korean Air and Air Premia operate direct flights from Dulles International Airport to Incheon Intl. Airport, with an average flight time of 15 hours 22 minutes, and around 9 weekly flights. Actual flight frequency may vary by season.What is the average price of a flight from Dulles International Airport to Incheon Intl. Airport?
Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Incheon Intl. Airport is €738. Prices may vary depending on the departure date, airline, and availability.How many weekly flights are there from Dulles International Airport to Incheon Intl. Airport?
Dulles International Airport to Incheon Intl. Airport operates around 9 weekly flights, mainly by Korean Air and Air Premia. Actual frequency may vary during holidays and seasonal schedule adjustments.How do I book flights from Dulles International Airport to Incheon Intl. Airport on Trip.com?
Enter Dulles International Airport and Incheon Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.