How long is the flight to Washington, D.C. Dulles Intl Airport?

The duration of your flight to Washington, D.C. depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Washington, D.C. on KAYAK are from Chiang Mai , which takes 21h 30m , and Bangkok , which takes 25h 00m.

What is the cheapest flight to Washington Dulles Airport?

In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Chiang Mai , at $782 return . The most popular connection is from Bangkok to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $782 in the last 5 days.

How far is Washington, D.C. Dulles Intl Airport from central Washington, D.C.?

You’ll need to travel 22 miles to reach the Washington, D.C. city center from Washington, D.C. Dulles Intl Airport.

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

The cheapest month for flights to Washington, D.C. Dulles Intl Airport is November , where tickets cost $1,008 on average for return flights. On the other hand, the most expensive months are December and February, where the average cost of tickets from Thailand is $1,286 and $1,230 respectively. For one-way flights, the best month to travel is October with an average price of $628.

How does KAYAK find such low prices on flights to Washington Dulles Airport?

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 to Washington Dulles Airport.

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

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

What is the Hacker Fare option on flights to Washington Dulles Airport?

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 Dulles Airport 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 to Washington Dulles Airport?

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 Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

To get a below average price, you should book around 1 week before departure . For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

How many direct flights to Washington, D.C. Dulles Intl Airport are there each day?

There are around 1,257 direct flights from within Thailand to Washington, D.C. Dulles Intl Airport every day. Most flights depart in the morning, with 45% of flights departing in the morning.

How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?

Each week there are around 8,796 direct flights from within Thailand to Washington, D.C. Dulles Intl Airport. The most common day for departures is Sunday, with 17% of flights taking off on this day.

What are the most popular airlines flying to Washington, D.C. Dulles Intl Airport?

The most popular airline among KAYAK users flying to Washington, D.C. Dulles Intl Airport is Qatar Airways, followed by Korean Air and Delta.

$413 CHEAP FLIGHTS from Thailand to Washington Dulles (IAD)

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Flight Deals

Cheap Flights from Thailand to Dulles Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Thailand to Dulles Intl

Thu, Mar 4 - Wed, Mar 24

10:55 pm - 8:35 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

33h 40m1 stop Incheon Intl

12:35 am - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$782AIR PREMIA

Thu, Mar 4 - Wed, Mar 24

10:55 pm - 8:35 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

33h 40m1 stop Incheon Intl

12:35 am - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$783AIR PREMIA

Tue, Nov 10 - Wed, Nov 25

9:10 am - 11:52 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

38h 42m2 stops Tokyo Haneda Chicago O'Hare Intl

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

49h 20m2 stops Los Angeles Hong Kong Intl

$1,041United Airlines

Thu, Mar 11 - Thu, Apr 1

7:10 am - 12:58 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

29h 48m2 stops Tokyo Narita San Francisco

1:05 pm - 9:35 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 30m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

$1,043United Airlines

Mon, Mar 8 - Mon, Aug 23

2:20 pm - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

30h 50m1 stop Tokyo Haneda

3:35 pm - 4:35 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,065ANA

Mon, Mar 8 - Mon, Aug 23

10:25 pm - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

22h 45m1 stop Tokyo Haneda

3:35 pm - 4:35 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,066ANA

Mon, Mar 8 - Mon, Aug 9

8:35 pm - 3:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

31h 20m1 stop Doha Hamad Intl

9:00 pm - 7:05 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

35h 05m1 stop Doha Hamad Intl

$1,231Qatar Airways

Mon, Mar 8 - Mon, Aug 9

9:50 am - 9:50 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

36h 00m1 stop Incheon Intl

1:30 pm - 1:35 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

37h 05m1 stop Incheon Intl

$1,239Korean Air

Mon, Mar 8 - Mon, Aug 9

8:15 am - 3:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

43h 40m1 stop Doha Hamad Intl

9:00 pm - 7:05 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

35h 05m1 stop Doha Hamad Intl

$1,244Qatar Airways

Mon, Mar 8 - Mon, Aug 9

9:50 am - 9:50 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

36h 00m1 stop Incheon Intl

1:30 pm - 1:35 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

37h 05m1 stop Incheon Intl

$1,249Korean Air

Recent last minute flight deals from Thailand to Dulles Intl

Tue, Nov 3 - Wed, Nov 18

2:25 am - 9:00 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

42h 35m1 stop Abu Dhabi Zayed Intl

2:25 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

21h 15m1 stop Abu Dhabi Zayed Intl

$1,036Etihad Airways

Mon, Nov 2 - Fri, Nov 6

11:05 pm - 6:30 pmCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

31h 25m1 stop Beijing Capital

10:00 pm - 9:50 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

35h 50m1 stop Beijing Capital

$1,039Air China

Tue, Nov 3 - Fri, Nov 6

9:10 am - 9:00 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

35h 50m1 stop Abu Dhabi Zayed Intl

11:35 pm - 11:35 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

36h 00m1 stop Incheon Intl

$1,060Multiple Airlines

Tue, Nov 3 - Sat, Nov 14

10:00 am - 9:00 amHKT Phuket City-IAD Washington, D.C. Dulles Intl

35h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

2:25 pm - 12:00 pmIAD Washington, D.C. Dulles Intl-HKT Phuket City

33h 35m1 stop Abu Dhabi Zayed Intl

$1,080Multiple Airlines

Tue, Nov 3 - Sat, Nov 14

9:10 am - 9:00 amHKT Phuket City-IAD Washington, D.C. Dulles Intl

35h 50m1 stop Abu Dhabi Zayed Intl

2:25 pm - 12:00 pmIAD Washington, D.C. Dulles Intl-HKT Phuket City

33h 35m1 stop Abu Dhabi Zayed Intl

$1,111Etihad Airways

Tue, Nov 3 - Fri, Nov 6

9:10 am - 9:00 amCNX Chiang Mai-IAD Washington, D.C. Dulles Intl

35h 50m1 stop Abu Dhabi Zayed Intl

11:35 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-CNX Chiang Mai

30h 15m2 stops Incheon Intl Guangzhou Baiyun

$1,174Multiple Airlines

Tue, Nov 3 - Sat, Nov 14

10:00 am - 9:00 amHKT Phuket City-IAD Washington, D.C. Dulles Intl

35h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

7:40 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-HKT Phuket City

34h 10m3 stops Reykjavik Keflavik Intl Dublin Abu Dhabi Zayed Intl

$1,177Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

2:40 pm - 9:00 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

30h 20m1 stop Abu Dhabi Zayed Intl

8:50 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

27h 40m2 stops Lome Addis Ababa Bole

$1,189Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

9:10 am - 5:24 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

44h 14m2 stops Tokyo Haneda Chicago O'Hare Intl

12:50 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

34h 40m3 stops Houston George Bush Intcntl Los Angeles Hong Kong Intl

$1,278United Airlines

Wed, Nov 4 - Wed, Nov 18

4:55 pm - 1:35 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

32h 40m3 stops Hong Kong Intl Los Angeles Chicago O'Hare Intl

12:50 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

34h 40m3 stops Houston George Bush Intcntl Los Angeles Hong Kong Intl

$1,287United Airlines

Booking Insights

KAYAK's insights & trends for flights to Dulles Intl

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

Prices

Airlines

What is the cheapest flight to Washington Dulles Airport? These are the best round-trip prices found by users searching on KAYAK in the last 5 days.: In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Chiang Mai, at $782 return. The most popular connection is from Bangkok to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $782 in the last 5 days.
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport? To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Washington, D.C. Dulles Intl Airport, 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 to Washington, D.C. Dulles Intl Airport is November, where tickets cost $1,008 on average for return flights. On the other hand, the most expensive months are December and February, where the average cost of tickets from Thailand is $1,286 and $1,230 respectively. For one-way flights, the best month to travel is October with an average price of $628.
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport? To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Washington, D.C. Dulles Intl Airport, 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, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Find deals

Low season	November
High season	March
Cheapest flight	$413

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from Chiang Mai to Washington Dulles Airport

What is the cheapest flight to Washington Dulles Airport?
In the last 5 days, the cheapest flight deal to Washington Dulles Airport was found on the route from Chiang Mai, at $782 return. The most popular connection is from Bangkok to Washington Dulles Airport and KAYAK users have found round-trip deals for as low as $782 in the last 5 days.
How far is Washington, D.C. Dulles Intl Airport from central Washington, D.C.?
You’ll need to travel 22 miles to reach the Washington, D.C. city center from Washington, D.C. Dulles Intl Airport.
How does KAYAK find such low prices on flights to Washington Dulles Airport?
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 to Washington Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights to Washington Dulles Airport?
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 Dulles Airport 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 to Washington Dulles Airport?
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 Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?
Each week there are around 8,796 direct flights from within Thailand to Washington, D.C. Dulles Intl Airport. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington Dulles Airport flight deals.

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$413 Find Cheap Flights from Thailand to Washington Dulles Airport - Compare and Save

Cheap Flights from Thailand to Dulles Intl

Recent round-trip flight deals from Thailand to Dulles Intl

Recent one-way flight deals from Thailand to Dulles Intl

Recent last minute flight deals from Thailand to Dulles Intl

KAYAK's insights & trends for flights to Dulles Intl

What is the cheapest flight to Washington Dulles Airport?

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

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

What are the most popular airlines flying to Washington, D.C. Dulles Intl Airport?

How long is the flight to Washington, D.C. Dulles Intl Airport?

How many direct flights to Washington, D.C. Dulles Intl Airport are there each day?

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