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

Currently, the cheapest month for flights to Washington, D.C. is January . The most expensive month for flights is August . The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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Cheap Flights to Washington, D.C. from ฿24,297

WAS — WAS

4 Jun — 11 Jun1

Return

1 adult

Economy

Sun 4/6

Sun 11/6

Were you looking for Flights from Washington, D.C.?

Flights to Washington, D.C. in 2023

Popular in	August
Cheapest in	April
Average price	฿43,700
Return from	฿35,891
One-way from	฿24,297

High demand for flights, 12% potential price rise

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Best time to find cheap flights, 2% potential price drop

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Average for return flights in May 2023

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From Bangkok to Washington, D.C.

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One-way flight from Bangkok to Washington, D.C.

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Cheap flights to Washington, D.C. in May, June 2023

The following deals offer some of the lowest prices we've found on flights heading to Washington, D.C. in May and June 2023. Deals update frequently so be sure to check back soon if you're not finding what you're looking for.

18 Jun - 3 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

33h 45m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

38h 05m

฿38,390

ยูไนเต็ด

Deal found 29/5

18 Jun - 3 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

40h 10m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

47h 30m

฿38,667

ยูไนเต็ด

Deal found 29/5

18 Jun - 3 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

37h 10m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

28h 25m

฿39,605

Multiple Airlines

Deal found 29/5

17 Jun - 2 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

36h 20m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

28h 25m

฿41,687

Multiple Airlines

Deal found 29/5

30 May - 19 Jul

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

53h 13m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

35h 00m

฿41,965

อเมริกันแอร์ไลน์

Deal found 29/5

30 May - 19 Jul

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

40h 10m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

28h 25m

฿42,277

ยูไนเต็ด

Deal found 29/5

17 Jun - 2 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

36h 20m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

29h 00m

฿43,076

Multiple Airlines

Deal found 29/5

17 Jun - 2 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

36h 25m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

29h 00m

฿43,700

Multiple Airlines

Deal found 29/5

31 May - 30 Sep

BKK

Bangkok Suvarnabhumi

BWI

Baltimore/Washington

2 stops

32h 16m

BWI

Baltimore/Washington

BKK

Bangkok Suvarnabhumi

2 stops

36h 10m

฿45,367

อเมริกันแอร์ไลน์

Deal found 29/5

Washington, D.C. 2023 flight deals

Listed are some of the best fares we've found on flights departing to Washington, D.C. in 2023. Check back regularly for other flight deals.

5 Sep - 12 Sep

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

45h 12m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

29h 05m

฿35,891

ยูไนเต็ด

Deal found 29/5

5 Sep - 12 Sep

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

48h 24m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

35h 03m

฿36,064

ยูไนเต็ด

Deal found 29/5

18 Jun - 3 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

33h 45m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

38h 05m

฿38,390

ยูไนเต็ด

Deal found 29/5

26 Sep - 9 Oct

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

27h 59m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

29h 20m

฿38,424

ยูไนเต็ด

Deal found 29/5

26 Sep - 9 Oct

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

24h 47m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

33h 15m

฿38,598

ยูไนเต็ด

Deal found 29/5

18 Jun - 3 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

40h 10m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

2 stops

47h 30m

฿38,667

ยูไนเต็ด

Deal found 29/5

5 Sep - 12 Sep

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

40h 00m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

29h 20m

฿39,570

ยูไนเต็ด

Deal found 29/5

18 Jun - 3 Dec

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

37h 10m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

28h 25m

฿39,605

Multiple Airlines

Deal found 29/5

26 Sep - 9 Oct

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

1 stop

24h 00m

IAD

Washington, D.C. Dulles Intl

BKK

Bangkok Suvarnabhumi

1 stop

40h 15m

฿40,125

ANA

Deal found 29/5

One-way flights to Washington, D.C.

If you're looking for options on one-way flights to Washington, D.C., check out these fares. Reserve a round-trip flight to Washington, D.C. instead by utilizing the search form above.

18 Jun

BKK

Bangkok Suvarnabhumi

DCA

Washington, D.C. Reagan-National

2 stops

28h 55m

฿24,297

เจแปนแอร์ไลน์

Deal found 28/5

21 Aug

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

39h 37m

฿24,644

Multiple Airlines

Deal found 30/5

30 Jun

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

62h 25m

฿24,887

Multiple Airlines

Deal found 29/5

18 Jun

DMK

Bangkok Don Mueang Intl

IAD

Washington, D.C. Dulles Intl

2 stops

44h 10m

฿24,957

Multiple Airlines

Deal found 28/5

4 Jun

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

29h 00m

฿25,200

เอธิโอเปียแอร์

Deal found 29/5

14 Jun

BKK

Bangkok Suvarnabhumi

DCA

Washington, D.C. Reagan-National

2 stops

35h 56m

฿25,304

อเมริกันแอร์ไลน์

Deal found 29/5

5 Jun

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

24h 33m

฿25,304

อเมริกันแอร์ไลน์

Deal found 29/5

13 Jun

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

29h 00m

฿25,373

เอธิโอเปียแอร์

Deal found 29/5

13 Jun

BKK

Bangkok Suvarnabhumi

IAD

Washington, D.C. Dulles Intl

2 stops

29h 00m

฿25,443

เอธิโอเปียแอร์

Deal found 30/5

Find flights to Washington, D.C. within your budget

Fly from

Budget

฿35,891 - ฿47,414

Route

Depart

Return

Price

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5/9

2 stops45h 12m

Washington, D.C. Dulles Intl

Tue 12/9

1 stop29h 05m

฿35,891

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5/9

2 stops48h 24m

Washington, D.C. Dulles Intl

Tue 12/9

2 stops35h 03m

฿36,064

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 18/6

1 stop37h 10m

Washington, D.C. Dulles Intl

Sun 3/12

1 stop28h 25m

฿39,605

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 26/9

1 stop24h 00m

Washington, D.C. Dulles Intl

Mon 9/10

1 stop40h 15m

฿40,125

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Reagan-National

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 5/9

2 stops41h 31m

Washington, D.C. Reagan-National

Tue 12/9

2 stops45h 10m

฿40,334

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 25/6

2 stops36h 13m

Washington, D.C. Dulles Intl

Sun 9/7

2 stops45h 40m

฿41,410

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 25/9

1 stop24h 40m

Washington, D.C. Dulles Intl

Mon 9/10

1 stop29h 00m

฿41,618

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 4/11

2 stops27h 29m

Washington, D.C. Dulles Intl

Wed 29/11

2 stops30h 10m

฿47,067

Pick Dates

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 4/9

1 stop25h 45m

Washington, D.C. Dulles Intl

Tue 12/9

1 stop35h 45m

฿47,414

Pick Dates

Flights are sorted by cheapest first

Deals found on 29/5

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

The best time to book flights to Washington, D.C. is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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IAD is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A IAD flight refers to a flight to Washington, D.C. Dulles Intl Airport. Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight destination and their unique identifiers/IATA codes.

Other local departures to Washington, D.C. from Thailand

Chiang Mai to Washington, D.C.

Washington, D.C., District of Columbia airports

Flights to Reagan-National

Flights to Dulles Intl

Flights to Whistler

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ANA flights from Suvarnabhumi to Dulles Intl

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Cheap flights to Washington, D.C.

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Flights to Washington, D.C. in 2023

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Popular in

Cheapest in

Average price

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One-way from

Cheap flights to Washington, D.C. in May, June 2023

The best prices found for WAS flights for May, June

The following deals offer some of the lowest prices we've found on flights heading to Washington, D.C. in May and June 2023. Deals update frequently so be sure to check back soon if you're not finding what you're looking for.

Washington, D.C. 2023 flight deals

Cheap flights to Washington, D.C. found for this year

Listed are some of the best fares we've found on flights departing to Washington, D.C. in 2023. Check back regularly for other flight deals.

One-way flights to Washington, D.C.

The cheapest one-way flights to Washington, D.C.

If you're looking for options on one-way flights to Washington, D.C., check out these fares. Reserve a round-trip flight to Washington, D.C. instead by utilizing the search form above.

Find flights to Washington, D.C. within your budget

Use the slider to find flights to Washington, D.C. that fit your budget.

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

The best time to book flights to Washington, D.C. is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What does IAD mean?

Find the best Washington, D.C. flight deals for you

Cheap tickets to Washington, D.C. found by our users in Thailand as recently as 30 May 2023.

Other local departures to Washington, D.C. from Thailand

Washington, D.C., District of Columbia airports

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Why should you use Cheapflights to find cheap flight tickets to Washington, D.C.?

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Can Cheapflights notify me if prices for flights to Washington, D.C. become cheaper?

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