$442 Find Cheap Flights from Washington Dulles Airport to South Korea

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to South Korea departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Dulles Intl to South Korea

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seoul
Incheon1 stop$729
Jeju City
Jeju City2 stops$3,031
Busan
Busan1 stop$1,226
Seoul
Incheon1 stop$729
Jeju City
Jeju City2 stops$3,031
Busan
Busan1 stop$1,226

Book Cheap Dulles Intl to South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to South Korea

Tue, Sep 2 - Tue, Oct 14
Air China Logo
11:00 pm - 4:35 pmIAD-ICN
28h 35m1 stop
Air China Logo
1:05 pm - 7:30 pmICN-IAD
19h 25m1 stop
$729Air China
Find Deal
Fri, Aug 29 - Tue, Sep 16
Air China Logo
11:00 pm - 9:45 pmIAD-ICN
33h 45m1 stop
Air China Logo
1:05 pm - 7:30 pmICN-IAD
19h 25m1 stop
$730Air China
Find Deal
Fri, Sep 5 - Tue, Sep 16
Air China Logo
11:00 pm - 9:45 pmIAD-ICN
33h 45m1 stop
Air China Logo
1:05 pm - 7:30 pmICN-IAD
19h 25m1 stop
$750Air China
Find Deal
Mon, Aug 25 - Fri, Aug 29
Turkish Airlines Logo
9:40 pm - 5:40 pmIAD-ICN
31h 00m1 stop
Turkish Airlines Logo
10:20 am - 11:45 amICN-IAD
38h 25m1 stop
$825Turkish Airlines
Find Deal
Sat, Aug 23 - Fri, Aug 29
Turkish Airlines Logo
1:30 pm - 8:40 amIAD-ICN
30h 10m1 stop
Turkish Airlines Logo
11:20 pm - 11:45 amICN-IAD
25h 25m1 stop
$969Turkish Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Air Canada Logo
9:00 am - 6:25 pmIAD-ICN
19h 25m1 stop
Air Canada Logo
6:55 pm - 4:13 pmICN-IAD
35h 18m2 stops
$979Air Canada
Find Deal
Sat, Sep 6 - Sun, Sep 14
Air Canada Logo
5:37 pm - 4:05 pmIAD-ICN
33h 28m2 stops
Air Canada Logo
6:00 pm - 9:38 amICN-IAD
28h 38m2 stops
$981Air Canada
Find Deal
Sun, Nov 9 - Sun, Nov 16
Korean Air Logo
11:50 am - 4:05 pmIAD-PUS
38h 15m1 stop
Korean Air Logo
3:50 pm - 9:50 amPUS-IAD
32h 00m1 stop
$1,899Korean Air
Find Deal
Thu, Aug 28 - Thu, Sep 4
Delta Logo
7:30 am - 7:45 amIAD-PUS
35h 15m2 stops
Delta Logo
8:05 am - 5:55 amPUS-IAD
34h 50m2 stops
$2,643Delta
Find Deal
Thu, Aug 28 - Thu, Sep 4
Korean Air Logo
1:30 pm - 7:45 amIAD-PUS
29h 15m1 stop
Korean Air Logo
8:05 am - 10:55 amPUS-IAD
15h 50m1 stop
$10,184Korean Air
Find Deal
Booking Insights

KAYAK's insights & trends for Dulles Intl to South Korea flights

Get data-powered insights and trends into flights from Dulles Intl to South Korea to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. Dulles Intl Airport to South Korea flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Washington, D.C. Dulles Intl Airport to South Korea.

The cheapest ticket to South Korea from Washington, D.C. Dulles Intl Airport found in the last 72 hours was to Seoul, at $824 round-trip. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Incheon Intl Airport (ICN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $824.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to South Korea?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $2,848 on average.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to South Korea is November, when tickets cost $905 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $1,925 and $1,914 respectively.

What’s the cheapest day of the week to fly from Washington Dulles Airport to South Korea?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to South Korea clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to South Korea on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Thursday is the most expensive day to fly from Washington Dulles Airport to South Korea. For your return ticket, we recommend flying on a Saturday and avoiding Wednesdays for the best deals.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to South Korea?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to South Korea, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to South Korea, you should book around 3 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.


Good to know

Low seasonJanuary
Cheapest flight$442
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Washington Dulles Airport to Seoul Incheon Airport

FAQs - booking South Korea flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to South Korea is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to South Korea?

    The cheapest time of day to fly to South Korea is generally at night, when round-trip flights cost $1,075 on average. Morning departures are around 11% more expensive than evening flights, on average. The most expensive time of day to fly to South Korea is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,698.

Reviews of the top 5 airlines serving from Dulles Intl to South Korea

 
Need help choosing which airline to fly with from Dulles Intl to South Korea? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1121 reviews
8.2Comfort
8.5Boarding
8.7Crew
8.2Entertainment
8.1Food
Airline reviews

Friendly flight attendants and gate agents. Very clean plane and food was good!

10.0 ExcellentAnonymous, Jul 2025DFW - ICN
Read more Korean Air reviews

Friendly flight attendants and gate agents. Very clean plane and food was good!

I normally love Korean Air, but this trip was not great. We boarded the plan and were settling into our seats. My son and I use these leg swings and we used it on the trip over to Cambodia, but on the way back the flight attendant very rudely told us we could not use it and that it was against regulations. I asked to see the regulation, but never saw it. The food on this trip was horrible as well, Even my son's kids meal was disgusting so we didn't eat anything on the flight. Thankfully we brought snacks. Entertainment - what happened to the games?

This was an amazing flight. The crew was great. The service was great. The food provided was great.

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

Korean air has a little bit more seating space than Asiana air.

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Unfortunately, there has been a boarding and departure delay. However, as usual, the flight arrived earlier than the scheduled. There has been a turbulence in-between, it’s unavoidable. I couldn’t complain them.

Not many people, so you can lay down on two seats

The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Delayed and took off even later than the scheduled delay time

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Only issue was with seating. The economy fare we purchased did say there was no guarantee the three people in our party would be seated together, and we were not. At the gate, the agent told us more specifically, the fare we purchased meant we would be seated in middle seats only. This should just be made more obvious.

Great experience on Delta. Staff from baggage check to flight attendants were very courteous and professional. My only issue was a personal preference for pretzels instead of the chips and cookies that were offered.

There was no problems, just a little uncomfortable with seats that do not lay back a little

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

Flight was delayed, 30+ bags had to be gate checked. Crew were very friendly!

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

The economy seat was so uncomfortable, had not enough leg room for 13 hours flight, front seat basket was broken and couldn’t hold anything, food quality was horrible( we got food poisoned ) we charged for logged which used to be free. We paid too much for this flight and very disappointed. Turkish air line better to make satisfy and respect people instead of find different way to scam people.

This is really the rating of two flights. JFK to IST then IST to NQZ. New York to Istanbul was good. Good crew and all positives. The flight to Astana was so bad that brought it all down. Crew was nonexistent above the minimum, seats were cramped, and it was hot on the plane. Turkish Airlines seems to be slipping down to US based carriers level.

The 2 agents on the check in counter were super nice , helpful and very polite. Boarding was like a 1 2 3, I would recommend Turkish airlines for your next trip.

Everything was very good, except that the plane was an hour and a half late

flight with heavy turbulence old boeing 777 rest wasnt clean dashboard doesn’t work

Light and recline did not work on my seat. Very uncomfortable and could not read in the dark

Bad experience; they are not good anymore. They charge too much for luggage seat are so uncomfortable, Flight delays which may miss your next flight, they don’t care if you miss the flight or not. Zero customer services for front desk representatives Istanbul's airport I’m not using this airline any more.

I’ve been traveling for 20 years. I tried Turkish airline for the first time horrible horrible service and it would be my last time even if I get offer for a free ticket, I will not accept it. They have races and the worst Flight attendant

It wasn't good. I didn’t understand. They changed 320 dollars for 2 luggage. My ticket was regular and I paid almost 1200.00 dollars. Why they did charge? I want my money back.. thanks Yılmaz polat

Very punctual, the onboard staff was friendly and correct, the flight was fortunately very calm, the toilets were clean, in short, an excellent experience Thanks

Flight was delayed. Staff at the gate effectively and proactively communicated about the delay.

Very poor delay in dfw was really bad n long

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

Because of rescheduling, they had to put me on a flight that didn't go through Dallas

It was very difficult to stretch my knee out and I am very short. I also had a torn tendon in my knee which made it extra uncomfortable anyways. My husband is 6'2" and I can't imagine him flying in that plane.

3 hour weather delay followed by 1 hour (and counting) maintenance delay. UGH!

Couldn’t get the door on the plane to close leading to a nearly 2 hour delay. But, hey at least they didn’t cancel the flight.

Flight was cancelled 3 hrs AFTER etd. Thetefore Missed connection from JFK to New Zealand . No accommodation provided… This cost ne aporox 1000 USD in extra expenses and turned whst should have been a 24 hr trip ftom Boston - New Zealand into a VERY expensive , late 70+ hr nightmare … Complete nonsense!!!

After we'd boarded , they canceled the flight. The crew didn't even know , we just all received text messages. Then after they deplaned us , AA was just like "too bad, go F your self, we sure ain't gonna help you"

They are still charging me after taking 466 and 833 for round trip from AR to to Bradley airport from 19 to 21. Then poor experience. Am hurt and I will say it on social media. Please stay away from this airline. I see in my bank account they are still taking 644. Am trying to stop it. I used to fly United airlines and I suggest that if you don't want extra charges and good service you go back there. American airlines delayed my flight again and I was late for my meeting, no recompensation but charging me over and over.

Both flights are delayed so I rate the whole experience as mediocre.

I booked my flight months ago, and checked-in online about 12 hours before the flight. I received an email confirmation of check-in. I had no subsequent communication from Air Canada after my original booking. After arriving at the airport three hours before the flight, as instructed, I waited 90 minutes for an agent to appear to check my bag. I was informed that my flight had been canceled many weeks before, and that flight was no longer being run!! I showed a copy of my check-in confirmation, but no explanation could be found. I was placed on standby for the next flight and the connection. Luckily, those flights were not full and I arrived at my destination. I double checked my email, but I received no update about the flight from Air Canada until the day of the flight.

I had a good experience. I liked being informed about the status of my luggage

Very bad service the way back we was on the way for r two days very bad condition and waiting for luggage till now

I was forcefully re-routed to another destination and was delayed a total of 8hours. I have still not received my bags, no one is taking responsibility. The agents at the airport lied to me that I will get to my destination same time as my previous flight where I was forcefully re-routed from.

Flight was delayed by 1.5hrs. Once inside, people had their small handbags on the storage. The crew (male guy) was not helpful in making some space in the storage. Instead, he asked few bags to be checked-in and it was not a great experience. No attempt to help but just followed the things with a straight face. People had their literally small bags and he wouldnt not move from one storage to another even if there was space and would not let us do i as well. Once flight was on, they ran out of Orange juice, really running out of orange juice when the temp were 32.degrees outside. didnt made the sense. Onasking for a extra snack, he made a face as if he was giving me out of his pocket. if the flight was delayed, there could have an attempt to provide something extra incase people did asked.

Our flight was canceled at the last minute. Someone on the flight said the exact same thing happened to her the day before. I will say they helped us book a flight on another airline so that we could still make our vacation with little delay.

Terrible food, unprofessional flight attendants, and an uncomfortable seat. The food they provided was the worst I have ever had since I flew. They were worse than any cheap food you can get at convenience stores. I feel that a racist looking fight attendant was scanning me as she was passing by me. A man sitting in front of me fully extended his chair to the back, so I had virtually no space to eat with reasonable comfort. Many people were so inconsiderate of others and fully extended their chairs to the back that they did not have enough space to eat. Flight attendants ignored these situations and never bothered to tell passengers to return their chairs to upright positions during the mealtime. I want to be comfortable and don't care if others feel uncomfortable because of me. Those were the dominant thoughts of people in that airplane. I paid more than $2000.00 for this terrible experience.

There wasn't much leg-room, and although I requested a vegetarian meal, there was an error and I did not get one. Everything else was excellent.

The flight was delayed at the last moment quoting an absurd weather reason. This delay led to an issue with my connecting flight. I was made to run (literary) from this flight to the next one ( as they preponed departure. I was still in my DCA to YYZ flight when the boarding started for the next connecting flight. After my sprint to get the connecting flight, found that no place for my carry on. Had to sit for 3 hours with my back-pack on my lap , it was the most uncomfortable and inconvenient journey with little to no empathy shown by cabin crew in both flights. Another poor show from Air Canada!! Cant help because of lack of options !!

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