BKK - WAS

$615 Find Cheap Flights from Bangkok to Washington, D.C. - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bangkok to Washington, D.C. departing on 9/8. 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, 0 bags

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Everything you should know

Cheapest round-trip
$801
Typical prices: $1,158-$1,255
SAUDIA
Thu 10/22Sat 11/7
BKK - IAD • 1 stop
Cheapest one-way
$615
Typical prices: $655-$698
AIR PREMIA
Tue 9/8
BKK - IAD • 1 stop
Top airlines
Cheapest • from $801 (round-trip)
Best reviews • 8.4 score
Airline reviews
Airline reviews
+1
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Airline reviews
Airline reviews
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Nonstop flights
Not available
There are currently no direct flights between Bangkok and Washington, D.C.. You'll need at least 1 connection.
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $1,206 (round-trip)
Shortest trip • 20h 54m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 4% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 49% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Washington, D.C. (BKK-WAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bangkok to Washington, D.C. 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 Bangkok to Washington, D.C.

Thu, Oct 22 - Sat, Nov 7
SAUDIA Logo
3:25 pm - 3:45 pm
BKK
-
IAD
35h 20m
1 stop
SAUDIA Logo
6:10 pm - 1:40 pm
IAD
-
BKK
31h 30m
1 stop
$801SAUDIA
Sun, Oct 4 - Sat, Oct 24
United Airlines Logo
9:35 am - 10:05 am
BKK
-
IAD
35h 30m
1 stop
United Airlines Logo
12:40 pm - 11:30 am
IAD
-
BKK
35h 50m
3 stops
$884United Airlines
Sun, Oct 4 - Sat, Oct 24
United Airlines Logo
9:35 am - 8:09 pm
BKK
-
DCA
45h 34m
2 stops
United Airlines Logo
4:24 pm - 11:30 am
DCA
-
BKK
32h 06m
3 stops
$886United Airlines
Sun, Oct 4 - Sat, Oct 24
United Airlines Logo
9:35 am - 5:31 am
BKK
-
IAD
30h 56m
2 stops
United Airlines Logo
2:43 pm - 11:30 am
IAD
-
BKK
33h 47m
3 stops
$889United Airlines
Wed, Oct 7 - Wed, Oct 14
ANA Logo
7:00 am - 9:11 pm
BKK
-
IAD
25h 11m
2 stops
ANA Logo
10:13 pm - 11:55 pm
IAD
-
BKK
38h 42m
2 stops
$934ANA
Thu, Sep 10 - Sun, Sep 13
United Airlines Logo
9:35 am - 9:59 pm
BKK
-
DCA
47h 24m
2 stops
United Airlines Logo
6:30 am - 4:35 am
DCA
-
BKK
35h 05m
2 stops
$940United Airlines
Thu, Sep 17 - Mon, Sep 21
Delta Logo
9:50 am - 11:55 pm
BKK
-
DCA
25h 05m
2 stops
Delta Logo
9:40 am - 1:05 am
DCA
-
BKK
28h 25m
2 stops
$1,050Delta
Tue, Oct 20 - Sun, Oct 25
Delta Logo
9:50 am - 11:45 pm
BKK
-
DCA
24h 55m
2 stops
Delta Logo
7:59 am - 9:30 pm
DCA
-
BKK
26h 31m
2 stops
$1,057Delta
Thu, Sep 17 - Mon, Sep 21
Air Canada Logo
7:45 am - 9:50 pm
BKK
-
DCA
25h 05m
2 stops
Air Canada Logo
9:40 am - 5:05 am
DCA
-
BKK
32h 25m
2 stops
$1,063Air Canada
Tue, Oct 20 - Sun, Oct 25
Multiple Airlines Logo
7:10 pm - 7:40 pm
BKK
-
BWI
59h 30m
2 stops
Multiple Airlines Logo
9:35 pm - 5:15 pm
BWI
-
BKK
56h 40m
2 stops
$1,108Multiple Airlines
Booking Insights

KAYAK's insights & trends for Bangkok to Washington, D.C. flights

Get data-powered insights and trends into flights from Bangkok to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Washington, D.C.?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Bangkok Suvarnabhumi Airport to Washington, D.C. departing in October.

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Washington, D.C.?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Bangkok Suvarnabhumi Airport to Washington, D.C., 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 Bangkok Suvarnabhumi Airport to Washington, D.C. is April, where tickets cost $472 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is $1,129 and $1,092 respectively.

How far in advance should I book a flight from Bangkok Suvarnabhumi Airport to Washington, D.C.?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Bangkok Suvarnabhumi Airport to Washington, D.C., 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 Bangkok Suvarnabhumi Airport to Washington, D.C., you should book around 2 weeks before departure, which saves you about 4% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonOctober
Cheapest flight$615
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 52% increase in price.
Flight from Bangkok to Washington Dulles Airport

When to book flights from Bangkok to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Bangkok to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Bangkok to Washington, D.C. flights

  • What is the cheapest flight from Bangkok Suvarnabhumi Airport to Washington, D.C.?

    In the last 5 days, the lowest price for a flight from Bangkok Suvarnabhumi Airport to Washington, D.C. was $615 for a one-way ticket and $801 for a round-trip.

  • Do I need a passport to fly between Bangkok and Washington, D.C.?

    Yes, you’ll need a passport to travel to Washington, D.C. from Bangkok.

  • Which airports will I be using when flying from Bangkok to Washington, D.C.?

    On your way to Washington, D.C., you’ll fly out from Bangkok Suvarnabhumi. You’ll be landing in one of Washington, D.C.’s 2 airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Bangkok to Washington, D.C.?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Bangkok to Washington, D.C.?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Bangkok and Washington, D.C., with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Bangkok to Washington, D.C., Korean Air or United Airlines?

    The two airlines most popular with KAYAK users for flights from Bangkok to Washington, D.C. are Korean Air and United Airlines. With an average price for the route of $1,106 and an overall rating of 8.4, Korean Air is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,045 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Bangkok to Washington, D.C.?

    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 Bangkok to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Bangkok to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Bangkok 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 Bangkok to Washington, D.C.?

    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 to Washington, D.C. with an airline and back to Bangkok with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Bangkok to Washington, D.C.?

    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 to Washington, D.C. from Bangkok up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Bangkok to Washington, D.C.

 
See real verified KAYAK customer reviews for airlines flying from Bangkok to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Bangkok to Washington, D.C.? 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 1220 reviews
8.7Crew
8.1Food
8.3Comfort
8.5Boarding
8.2Entertainment
Airline reviews

The business class is excellent. I loved the food, and the crew was very attentive and professional. From boarding to arrival, everything felt smooth and well-organised.

10.0 ExcellentFiruz, Apr 2026
ICN - LAX
Read more Korean Air reviews

The business class is excellent. I loved the food, and the crew was very attentive and professional. From boarding to arrival, everything felt smooth and well-organised.

AAAAHHHH... It was shocking in a very positive way, the attention to detail, the courtesy, the manners of all personnel on board, the constant honest smiling. You can see and feel they take pride in all they do no matter how trivial. The plane in general was very comfortable. I can't wait to do it again

Great service and comfort level. You can have more of vegetarian food options.

It’s great, long flight and arrive safe at destination

Korean are so racist and when I ask question or directions they totally ignore me and say racist. Also they give me an rude attitude.

Everything was excellent as I expected. They also had a very caring crew. I had a headache and asked a Tylenol. The crew members kept checking with me how I was doing.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

I can't believe they put my wife and I in the two middle seats! It is a very long flight and we had single flyers on either side of us blocking the way to the bathroom! There's no reason to not give one of us the isle seat so we could have managed bathroom needs and snacks with convenience. So I think very poorly of Korean air to put us both in the middle, I've never had that happen before and will probably avoid this airline in the future because of this. We tried to have them change it but they didn't so you pretty much lost a customer because of it.

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

Flight delayed going to Korea. No free WiFi. Other than that everything else is were good. I would love to fly with Korea airline again

Horrible I am at almost 2,000,000 miles on United. This was probably the worst flight ever. An hour and a half before takeoff I get a message that they’re changing the plane and I no longer have a seat in Polaris business Supposedly, there was a problem with the plane, but then there was no other plane Finally, they decided to bring a plane from Newark to Washington Dulles Of course the original flight was at 10:45 PM so by the time the plane got there it was 12:30 AM. It had not been cleaned. It had not been catered. They don’t really have people available to do those things when it’s not pre-programmed at 1 o’clock in the morning. The crew had to be changed And the new plane held 28 fewer people than the scheduled plane There is no way you can hate United Airlines enough The people at the gate were actually just fine, but it was management who was completely useless And did they send extra help to the people at the gate? Did they send supervisors? Of course not. Just don’t take United find somebody else or buy a boat

Flight attendants were great. Food mediocre. Bamboo utensils not Great especially if you have to cut something. Seating a bit crowded.

The crew was the worst ive ever had in my life flying with United Airlines, letting another person move my bag without asking and then the staff saying would the floor be better after I kept begging saying dont move my bag it has fragile things inside. This incident truly makes me they favor other customers more and I dont want to worry about being on the tail end. Especially if they dont listen any input, no care for what I asked but accommodated those who are reckless and disturb others more...

Our flight was delayed 2.5 hours from Lisbon to DC so we missed our connection to Seattle that would have arrived at about 9 PM. The agent initially said we had to stay overnight in DC and there were no other options to put us on to get us to Seattle. While on board I discovered a flight via American he could have put us in but by the time we arrived in DC that was sold out. We were then put on a flight to San Francisco that was also delayed then arrived in San Francisco and our flight to Seattle was also delayed so we ended up not arriving until 2:15 am. Our son could not pick us up so we ended up having to pay over $100 to Uber home. This is the second trip with United that the flight has been delayed causing us to miss an evening in Las Vegas and we were given nothing.

MY FAMILY'S LUGGAGE WAS LOST FROM ROME TO BARI. I WAS THE ONLY ONE THAT RECEIVED MY LUGGAGE FROM ROME TO BARI. AFTER DEPLANING IN BARI, WE WASTED A LOT OF TIME AT BAG CLAIMS LOST AND FOUND REPORTING THE CLAIM AND PLEADING FOR THE BAGS TO BE DELIVERED THE NEXT DAY. WE WERE TOLD THAT IT TAKES 3 DAYS MINIMUM TO DELIVER. MY DAUGHTER AND MY GIRLFRIEND NEEDED THEIR PERSONAL THINGS AND WE WERE STAYING 3 HOURS AWAY FROM THE BARI AIRPORT. WE HAD TO DRIVE 3 HOURS TO THE AIRPORT TO COLLECT OUR LOST LUGGAGE THE NEXT DAY. WE ARE NOT HAPPY WITH THE EXPERIENCE

There were no facilities in the middle of the aircraft and premium economy was not allowed to use the business class facilities, and had to share the only two toilets at the back with economy. The upgrade to Premium was definitely not worth it

Our flight to Rome, Italy was cancelled the day of and we were never informed. We only found out because I was trying to get into my husbands account and called to get his account number. Had to pay more for worse seating on another airline.

The economy seat was much less comfortable for an international flight in terms of recline and moving space when food tray is expanded. Per entertainment, it would be amazing if I could connect my Bluetooth headset or ear phones to the entertainment screen. Or provide in-flight wifi to connect directly from my own device.

We were a little disappointed to not be able to complete check in online without uploading pics of passports. Also we have KTN's and they weren't on our boarding passes when we got to security. Had to trek back to counter to have them fix.

Excellent service in Polaris class IAD to ZRH. Arrived rested and well fed after the overnight flight.

I paid extra for seating when first booking flight to be in a comfortable economy seat They still changed it to a middle seat regardless. When I asked for it to be changed back to aisle, they could only give me one at the back of the plane in the least comfortable seats.

The boarding experience did not follow the Zones that were listed on the boarding passes. This was a two-level aircraft with many passengers. Because zones were not called out by the airline staff, there was simply a mob trying to board and it was not a pleasant experience.

All great, because I was given a seat with extra legroom on this part of my trip.

Plane was good Crew was good Food was just ok Could have had more entertainment options But overall good

I was unable to pre purchase sear upgrades or internet. Their online site is not user friendly and poor. I felt singled out in customs. Seats are very small even for a small person.

I recently travelled with Qatar Airways from Doha to Dulles in the QSuite, and the experience was nothing short of exceptional. The QSuite truly feels like a First-Class experience, with its luxurious design, privacy, and comfort. The cabin crew, especially the lady in charge of the cabin, was remarkable—professional, attentive, and genuinely kind. The food was excellent, and the comfort of the seat was absolutely first-class, making the journey smooth and enjoyable. While the in-flight experience was outstanding, I have a few points of feedback. Firstly, the content available in the in-flight entertainment system could be expanded and upgraded to include a more diverse and updated collection. This would elevate the entertainment experience to match the premium standards of the QSuite. Secondly, regarding the Wi-Fi service: while QSuite passengers receive one hour of complimentary Wi-Fi, any additional usage requires a fee of USD 10. Considering the premium pricing of QSuite, it would be more fitting to include unlimited Wi-Fi as part of the experience, further enhancing the luxury offered to passengers. Lastly, I must highlight an issue with luggage handling. Unfortunately, my luggage did not make it through the transit, which was disappointing. While the ground crew assured me that it would be delivered to my home on the same day as it was arriving on the next flight, this promise was not fulfilled, and the delay added unnecessary inconvenience to an otherwise excellent experience. Overall, the QSuite experience was exceptional, but addressing these areas would further solidify Qatar Airways’ position as a leader in luxury air travel.

Do not overbook flights and kick out confirmed ticketed passengers :-(

Staff was very friendly. There is no on board entertainment, but it’s such a short flight that it doesn’t matter. We also got a meal which was nice and unexpected due to the length of the flight.

Was required to print a boarding pass, which I'd prefer to avoid. Seat (economy x) was comfortable, service was excellent.

Vistara i bought a biz class fare but a few days before vistara always changes my biz class flight to economy .. happened to me 4 times .. seated could be wider .. boarding could be more organized .. crew did their best but not enough resources all in all very poor experience Qatar Delhi .. only complain .. no clear signage to lounge for transferring pax .. its a Delhi shot coming.. no feeling of exclusivity for biz/ 1st class pax.. but everything else was much better .. once i boarded Qatar .. i loved it Qatar to Washington .. only complain i boarding .. too crowded .. no separate area for biz/1st class should hav completely separate area for upper class.. security is stifling pax comfort by the gate ..but everything else was great

Everything you need to know for your flight from Bangkok to Washington, D.C.

Information on your arrival and departure airports