Cheap Flight Tickets from Washington (IAD) to Bangkok (BKK), Starting at $1270

Good to Know: Cheapest and Fastest IAD - BKK Flights

Useful information for finding best airline tickets from Washington Dulles International to Suvarnabhumi on your next trip.

Cheapest Round Trip Flight

$1270

AS Alaska Airlines • 2 stops • 63h 37m

Oct 14 – Oct 21

The cheapest round trip flight from Washington to Bangkok (IAD-BKK-IAD) is currently $1270

🔍 Search Flights

Cheapest One way Flight

$5118

NH All Nippon Airways • 1 stop • 65h 45m

Oct 06

The cheapest one way flight from Washington to Bangkok (IAD-BKK) is currently $5118

🔍 Search Flights

Fastest Flight

40h 40m

The fastest nonstop flight from Washington to Bangkok (IAD-BKK) takes 40h 40m

Top Airlines Flying from Washington to Bangkok

Turkish Airlines - TK

Turkish Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Lufthansa Airline (LH)

Lufthansa Airlines

American Airlines, AA

American Airlines

Qatar Airways-QR

Qatar Airways

Ethiopian Airlines-ET

Ethiopian Airlines

SriLankan Airlines (UL)

SriLankan Airlines

Air Canada-AC

Air Canada

Etihad Airways-EY

Etihad Airways

Latest Flight Deals from Washington (IAD) to Bangkok (BKK)

Compare and book low fare round-trip air tickets from Washington to Bangkok. Ideal for travelers with confirmed return itineraries.

Oct 14 - Oct 21, Economy
AS
Washington → Bangkok
63h 37m
9:38 AM - 10:55 AM • 2 stops
BR
Washington → Bangkok
33h 55m
12:25 PM - 10:00 PM • 1 stop
$1270
Alaska Airlines
Oct 14 - Oct 21, Economy
ET
Washington → Bangkok
45h 40m
9:20 PM - 12:00 PM • 2 stops
ET
Washington → Bangkok
47h 20m
1:50 AM - 7:30 PM • 2 stops
$1413
Ethiopian Airlines
Oct 14 - Oct 21, Economy
AA
Washington → Bangkok
50h 25m
9:00 PM - 2:25 PM • 1 stop
AA
Washington → Bangkok
40h 10m
2:30 AM - 3:40 PM • 1 stop
$1571
American Airlines
Oct 14 - Oct 21, Economy
NH
Washington → Bangkok
48h 20m
12:35 PM - 4:35 AM • 1 stop
UA
Washington → Bangkok
42h 24m
3:45 PM - 6:29 AM • 2 stops
$1833
All Nippon Airways
Oct 14 - Oct 21, Economy
NH
Washington → Bangkok
40h 40m
12:15 PM - 11:55 PM • 1 stop
NH
Washington → Bangkok
38h 50m
9:35 PM - 10:05 AM • 1 stop
$2054
All Nippon Airways
Oct 14 - Oct 21, Economy
TK
Washington → Bangkok
48h 45m
1:15 PM - 5:40 AM • 1 stop
TK
Washington → Bangkok
40h 5m
6:40 AM - 7:45 PM • 1 stop
$2386
Turkish Airlines

Fly from Washington to Bangkok with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Bangkok? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Bangkok Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to BKK?
The most popular airline flying from Washington to Bangkok are
Can I fly from IAD to BKK non-stop?
NO
Which airlines fly nonstop between Washington and Bangkok?
The non-stop flights between Washington and Bangkok are .
What’s the earliest departure time from IAD to BKK Airport?
The earliest flight leaves IAD at 8:20 am and lands in BKK - Suvarnabhumi
What are the airports in Bangkok?
BKK
Can I make changes to my Washington to Bangkok flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to BKK?
Read the fare rules of the Washington to Bangkok air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Bangkok?
operate flights between Washington and Bangkok
How long does a flight from Washington to Bangkok take?
It takes approximately 18 hour to fly non-stop from IAD to BKK, which is 8808.28 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Bangkok (BKK) ?
In the past couple of days, the cheapest tickets to BKK from IAD were found on QR : USD 11969
Do I need a passport to fly between IAD and BKK?
Yes
What’s the latest departure time from IAD to BKK ?
The last flight leaves IAD at 9:20 pm

Washington (IAD) to Bangkok (BKK): Airport Information

Origin Airport Washington Dulles International , Washington, US
Destination Airport Suvarnabhumi , Bangkok, TH
Distance 8808 miles

More Flight Options for Washington (IAD) and Bangkok (BKK)

Why Fareleaders for IAD to BKK Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Washington to Bangkok flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on IAD to BKK flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Washington to Bangkok flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Washington (IAD) to Bangkok (BKK)
Terms and Conditions*