฿15,880 Cheap Flights from Washington (DCA) to Bangkok (BKK)

View ฿15,880 flight on Tue, 24 Feb 2026Opens in a new window

Popular airlines from Ronald Reagan National Airport (DCA) to Suvarnabhumi International Airport (BKK)

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Cheap Flights from Washington (DCA) to Bangkok (BKK)

Prices were available within the past 7 days and start at ฿15,880 for one-way flights and ฿37,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿37,080 Return, found 3 days ago
฿37,080
Return
found 3 days ago
Select Delta flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿37,080 found 3 days ago
Alaska Airlines
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿40,060 Return, found 3 days ago
฿40,060
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿40,060 found 3 days ago
Alaska Airlines
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿40,370 Return, found 3 days ago
฿40,370
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿40,370 found 3 days ago
United
Mon, 9 Mar - Fri, 13 Mar
DCA
Washington
BKK
Bangkok
฿40,840 Return, found 3 hours ago
฿40,840
Return
found 3 hours ago
Select United flight, departing Mon, 9 Mar from Washington to Bangkok, returning Fri, 13 Mar, priced at ฿40,840 found 3 hours ago
Alaska Airlines
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿44,565 Return, found 3 days ago
฿44,565
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿44,565 found 3 days ago
Alaska Airlines
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿44,715 Return, found 3 days ago
฿44,715
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿44,715 found 3 days ago
Korean Air
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿44,795 Return, found 3 days ago
฿44,795
Return
found 3 days ago
Select Korean Air flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿44,795 found 3 days ago
Alaska Airlines
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿44,815 Return, found 3 days ago
฿44,815
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿44,815 found 3 days ago
American Airlines
Wed, 8 Apr - Mon, 6 Jul
DCA
Washington
BKK
Bangkok
฿45,575 Return, found 3 days ago
฿45,575
Return
found 3 days ago
Select American Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿45,575 found 3 days ago
American Airlines
Wed, 8 Apr - Tue, 14 Apr
DCA
Washington
BKK
Bangkok
฿46,115 Return, found 5 days ago
฿46,115
Return
found 5 days ago
Select American Airlines flight, departing Wed, 8 Apr from Washington to Bangkok, returning Tue, 14 Apr, priced at ฿46,115 found 5 days ago

Find the cheapest month to fly from Washington (DCA) to Bangkok (BKK)

September is typically the cheapest month to fly

From ฿26,247 - ฿42,954 per traveller.

Frequently asked questions

How much is a flight from DCA to BKK?
If you're travelling from DCA to Suvarnabhumi Airport, round-trip journeys start from ฿37,080. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to BKK?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from DCA to BKK that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DCA to BKK flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to BKK?
With a flight distance of 14,200 kilometres between Ronald Reagan Washington National Airport (DCA) and Bangkok Airport, this is a long journey. Remember to drink lots of water and move your legs every now and then.
Which airlines fly direct from National Airport to Suvarnabhumi Intl. Airport (BKK)?
There are no direct flights, so you'll need to make at least one stop between DCA and BKK. Make the most of the layover time to stretch your legs and grab a bite to eat.
Are DCA to Bangkok Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get great last-minute deals from Ronald Reagan Washington National Airport (DCA) to BKK, but it can also be hit-or-miss. As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always getting the latest offers.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Suvarnabhumi Intl.
Airlines serving
Cathay Pacific
Return price
฿37,080
Distance
14085 km

Book with confidence

Perfect flights from Washington to Bangkok

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Bangkok. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Ronald Reagan Washington National to Suvarnabhumi Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿15,880 and roundtrip prices from ฿37,080. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Suvarnabhumi Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Bangkok.
Perfect flights from Washington to Bangkok
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