Find Cheap Flights from Washington Dulles Intl to Seoul Gimpo Intl (IAD - GMP)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington Dulles Intl to Seoul Gimpo Intl

(Round-trip)
Depart: Thu Sep 14 2017 Return: Sun Sep 17 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
8:35a
GMP
5:10p
32h 35m
3 stops
GMP
12:50a
IAD
7:35p
18h 45m
3 stops
Depart: Wed Sep 6 2017 Return: Wed Sep 20 2017 Trip spans 15 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Wed Jul 12 2017 Return: Mon Aug 28 2017 Trip spans 48 days
$1298
Select
ANA
ANA
IAD
10:05a
GMP
6:05p
32h 00m
2 stops
GMP
3:45a
IAD
5:56a
26h 11m
2 stops
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Mon Oct 16 2017 Return: Wed Oct 25 2017 Trip spans 10 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Wed Oct 18 2017 Return: Thu Oct 26 2017 Trip spans 9 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Tue Oct 17 2017 Return: Tue Nov 7 2017 Trip spans 22 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
4:30a
IAD
10:35p
18h 05m
1 stop
Depart: Sun Sep 3 2017 Return: Tue Sep 19 2017 Trip spans 17 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Sun Jul 9 2017 Return: Tue Aug 15 2017 Trip spans 38 days
$1348
Select
ANA
ANA
IAD
10:00a
GMP
6:05p
32h 05m
2 stops
GMP
3:45a
IAD
5:56a
26h 11m
2 stops
Depart: Mon Sep 4 2017 Return: Tue Sep 19 2017 Trip spans 16 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Sun Jul 16 2017 Return: Wed Jul 26 2017 Trip spans 11 days
$1374
Select
ANA
ANA
IAD
4:28a
GMP
6:05p
37h 37m
2 stops
GMP
3:45a
IAD
10:10p
18h 25m
2 stops
Depart: Tue Sep 5 2017 Return: Tue Sep 19 2017 Trip spans 15 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Fri Dec 29 2017 Return: Mon Jan 15 2018 Trip spans 18 days
$1380
Select
ANA
ANA
IAD
7:30a
GMP
11:35p
40h 05m
2 stops
GMP
3:30p
IAD
10:26p
30h 56m
2 stops
Depart: Thu Sep 7 2017 Return: Tue Sep 19 2017 Trip spans 13 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Thu Jul 6 2017 Return: Tue Aug 15 2017 Trip spans 41 days
$1398
Select
ANA
ANA
IAD
10:05a
GMP
6:05p
32h 00m
2 stops
GMP
3:45a
IAD
5:56a
26h 11m
2 stops
Depart: Sun Sep 10 2017 Return: Wed Sep 20 2017 Trip spans 11 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Mon Jul 10 2017 Return: Tue Aug 15 2017 Trip spans 37 days
$1398
Select
ANA
ANA
IAD
10:05a
GMP
6:05p
32h 00m
2 stops
GMP
3:45a
IAD
10:18p
18h 33m
2 stops
Depart: Mon Sep 11 2017 Return: Wed Oct 4 2017 Trip spans 24 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
Depart: Sun Dec 24 2017 Return: Mon Jan 1 2018 Trip spans 9 days
$1398
Select
ANA
ANA
IAD
7:30a
GMP
3:30a
44h 00m
2 stops
GMP
2:55a
IAD
10:26p
19h 31m
2 stops
Depart: Wed Sep 13 2017 Return: Wed Oct 4 2017 Trip spans 22 days
Air China
Air China
IAD
12:35p
GMP
9:10p
32h 35m
1 stop
GMP
5:25a
IAD
11:35p
18h 10m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$845
Destination

Seoul
$845