Cheap flights from Bangkok to Washington Dulles

Compare Bangkok to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Bangkok to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Bangkok to Washington Dulles Airport? If you want to travel next month, round-trip fares start from $947. Find the lowest prices on one-way and round-trip tickets right here.

Washington, D.C..$936 per passenger.Departing Sat, May 16, returning Sat, Aug 15.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Sat, May 16, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Sat, Aug 15, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $936, select.

Washington, D.C..$947 per passenger.Departing Sun, Jun 7, returning Fri, Jun 12.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Sun, Jun 7, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Fri, Jun 12, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $947, select.

Washington, D.C..$948 per passenger.Departing Thu, Jul 9, returning Sat, Aug 15.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Thu, Jul 9, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Sat, Aug 15, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $948, select.

Washington, D.C..$961 per passenger.Departing Thu, Jun 11, returning Fri, Aug 21.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Thu, Jun 11, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Fri, Aug 21, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $961, select.

Washington, D.C..$978 per passenger.Departing Wed, Nov 18, returning Wed, Nov 25.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Wed, Nov 18, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Wed, Nov 25, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $978, select.

Washington, D.C..$982 per passenger.Departing Tue, Oct 27, returning Thu, Nov 5.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Tue, Oct 27, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Thu, Nov 5, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $982, select.

Washington, D.C..$983 per passenger.Departing Fri, Sep 4, returning Fri, Sep 11.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Fri, Sep 4, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Fri, Sep 11, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $983, select.

Washington, D.C..$985 per passenger.Departing Wed, Nov 11, returning Wed, Feb 10.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Wed, Nov 11, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Wed, Feb 10, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $985, select.

Washington, D.C..$986 per passenger.Departing Sun, Sep 13, returning Mon, Nov 2.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Sun, Sep 13, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Mon, Nov 2, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $986, select.

Washington, D.C..$994 per passenger.Departing Wed, Oct 7, returning Sat, Oct 17.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Wed, Oct 7, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Sat, Oct 17, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $994, select.

Washington, D.C..$996 per passenger.Departing Thu, Sep 17, returning Fri, Jan 29.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Thu, Sep 17, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Fri, Jan 29, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $996, select.

Washington, D.C..$1,002 per passenger.Departing Thu, Sep 24, returning Fri, Oct 2.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Thu, Sep 24, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Fri, Oct 2, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,002, select.

Washington, D.C..$1,005 per passenger.Departing Mon, Oct 26, returning Mon, Jan 11.Round-trip flight with United.Outbound indirect flight with United, departing from Bangkok Suvarnabhumi on Mon, Oct 26, arriving in Washington Dulles.Inbound indirect flight with United, departing from Washington Dulles on Mon, Jan 11, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,005, select.

Washington, D.C..$1,007 per passenger.Departing Thu, Jul 9, returning Sat, Jul 25.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Thu, Jul 9, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Sat, Jul 25, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,007, select.

Washington, D.C..$1,043 per passenger.Departing Mon, Nov 30, returning Sat, Dec 12.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Mon, Nov 30, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Sat, Dec 12, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,043, select.

Washington, D.C..$1,052 per passenger.Departing Fri, Dec 18, returning Sat, Jan 2.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Fri, Dec 18, arriving in Washington Dulles.Inbound indirect flight with Saudia, departing from Washington Dulles on Sat, Jan 2, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,052, select.

Find the cheapest month to fly from Bangkok to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Washington Dulles flights are currently cheapest in June.

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Bangkok to Washington Dulles: Alternative routes

Compare routes from Bangkok to Washington, D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Bangkok to Washington, D.C.: Flight information

The things to know before you go.

Cheapest flight found	$936
Cheapest month to fly	May

Finding cheap flights from Bangkok to Washington Dulles: Frequently asked questions

How much are round-trip flights from Bangkok to Washington Dulles?

The best price we found for a round-trip flight from Bangkok to Washington Dulles is $936. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Bangkok to Washington Dulles?

Currently, there are no airlines that fly direct from Bangkok to Washington Dulles. But we found flights with one stop from $936.

How many flights are there a week from Bangkok to Washington Dulles?

There are no flights flying from Bangkok to Washington Dulles, as of May 2026.

When is the cheapest time to fly from Bangkok to Washington Dulles?

The cheapest month to fly from Bangkok to Washington Dulles is usually May.

Which upcoming date is cheapest to fly from Bangkok to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Washington Dulles Airport on Saturday, May 16, 2026.

Can I get a direct flight from Bangkok to Washington Dulles Airport?

No airlines currently offer direct flights between Bangkok and Washington Dulles Airport. Most routes have one or more stops.

How can I find the best flight deal to Washington Dulles?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington, D.C.?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Bangkok to Washington Dulles?

The cheapest airline that flies to Washington Dulles is Saudia.

Flying from Bangkok to Washington Dulles International Airport (IAD): What you need to know

Washington Dulles International Airport is located in Washington DC. The city operates on the UTC-5 timezone and is 12 hours behind Bangkok.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to board your flight from Bangkok to IAD.
During popular months like February, it's a good idea to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during high season in general.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

We make it easy to find cheap flights from Bangkok to IAD that include a stopover. To explore the options leaving from Bangkok Suvarnabhumi International Airport (BKK), deselect 'Direct flights only.' Then, simply choose a flight offering a stop long enough to tour the city of your choice. Top stopovers between BKK and IAD include:
- Tokyo Haneda International Airport (HND)
- Seoul Incheon International Airport (ICN)
- Doha Hamad International Airport (DOH)
BKK is about 31 kilometers from central Bangkok. If you're driving, ride-sharing or catching a cab from the center, it'll take you 35 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 35 minutes.
Looking for a comfortable hotel near Bangkok Suvarnabhumi International Airport? If you've booked an early flight from Bangkok to Washington Dulles International Airport, these accommodation options will put you just around the corner from the terminal:
Of the departures from Bangkok Suvarnabhumi International Airport, 73% touch down on time at their destination.

Bangkok Don Mueang International Airport (DMK)

DMK is around 24 kilometers from central Bangkok. It'll take 35 minutes or so to get to the airport by car from the city center. Public transport takes approximately 1 hour 5 minutes.
Start your vacation sooner with an additional night away from home. Before catching your Bangkok to IAD flight, kick back in one of these hotels near Bangkok Don Mueang International Airport:
60% of all departures from Bangkok Don Mueang International Airport arrive within the expected time frame.

About Washington Dulles International Airport (IAD)

Consider staying in a hotel near IAD if you have a late flight from Bangkok to Washington Dulles International Airport. Choose one of these options and skip the long transfer:
To lock in the lowest price, reserve your vehicle around one week in advance of your Bangkok to Washington Dulles International Airport flight.
The street address for IAD is 1 Saarinen Circle.

Getting from Washington Dulles International Airport (IAD) to central Washington DC

Washington Dulles International Airport is around 40 kilometers from the center of Washington DC. It takes around 45 minutes or so to drive to the city.
If you're taking public transport, expect a journey of around 1 hour 10 minutes.

How to find the cheapest flights from Bangkok to Washington Dulles International Airport (IAD)

At the moment, $491 is the best price we've found for a one-way ticket from Bangkok to Washington Dulles International Airport. The cheapest price for a return flight is $936. Keep in mind fares can change due to availability at the time of booking.
Booking early is often the key to finding a cheap flight from Bangkok to IAD. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely spend on your ticket.
The 'Whole month' search tool will show you the cheapest Bangkok to Washington Dulles International Airport tickets across every month. It's a good way to find a bargain if your dates aren't set in stone.
Never miss a deal on plane tickets from Bangkok to IAD by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.
Chase down a great fare on a flight from Bangkok to Washington Dulles International Airport with the help of the filters. Choose your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Bangkok to Washington Dulles International Airport (IAD)

Think about the pace you're looking for when planning your trip dates. February is the quietest month to visit Washington DC. June is when most people book flights from Bangkok to Washington Dulles International Airport (IAD), which may be ideal if you're chasing more excitement.
The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your Bangkok to IAD plane ticket then if you enjoy this type of weather.
January sees temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from Bangkok to Washington Dulles International Airport around that time if you like cooler conditions.

More about Washington DC

Start your Washington DC trip right by choosing the ideal place to stay. Once you've booked your flight from Bangkok to Washington Dulles International Airport, explore our range of accommodation options including:
There are plenty of exciting things to do in Washington DC when you're ready to sightsee. Kick things off at Lincoln Memorial followed by The White House and Smithsonian National Museum of Natural History.

Explore more of the United States

Washington DC has plenty going for it, but there are so many other parts of the United States you should also see. Around 225 kilometers northeast of Washington DC, a visit to Philadelphia will fill your itinerary to the brim. Don't miss top attractions like Independence Hall, Liberty Bell and Philadelphia Museum of Art.
If you're looking to explore another major stop in the United States, consider Virginia Beach, roughly 274 kilometers southeast of Washington DC. Virginia Beach Boardwalk, Resort Beach and Neptune's Park are the start of reasons to visit.