฿17,325+ Cheap flights to Washington, D.C.
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Washington, D.C. in 2025
Find the latest flights to Washington, D.C. in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 29 April 2025.
Find flight deals to Washington, D.C.
Cheapest flights to Washington, D.C.Explore the most affordable flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 29 April 2025.
Explore the most affordable flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 29 April 2025.
Cheapflights Fare Finder
Locate flights to Washington, D.C. that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 29 April 2025.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.
Fly from
Route
Depart
Return
Price
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Sun 22/6
15:25-15:45
1 stop83h 20m
Washington, D.C. Dulles Intl
Tue 22/7
18:50-00:10
1 stop66h 20m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Wed 21/5
09:35-08:00
2 stops33h 25m
Washington, D.C. Dulles Intl
Thu 28/8
06:35-04:35
2 stops35h 00m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Thu 28/8
09:50-11:15
1 stop36h 25m
Washington, D.C. Dulles Intl
Mon 1/12
11:50-23:20
1 stop23h 30m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Thu 15/5
12:50-15:15
1 stop37h 25m
Washington, D.C. Dulles Intl
Mon 2/6
20:45-09:45
1 stop26h 00m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Sun 18/5
17:30-07:36
2 stops25h 06m
Washington, D.C. Dulles Intl
Sun 1/6
18:15-09:45
2 stops28h 30m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Tue 20/5
02:30-15:40
1 stop24h 10m
Washington, D.C. Dulles Intl
Thu 28/8
11:00-19:20
1 stop21h 20m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Fri 20/6
09:50-05:59
2 stops31h 09m
Washington, D.C. Dulles Intl
Wed 25/6
07:40-23:25
2 stops28h 45m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Thu 28/8
21:35-20:55
2 stops34h 20m
Washington, D.C. Dulles Intl
Mon 1/12
11:05-16:20
1 stop41h 15m
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Thu 15/5
09:50-23:26
2 stops24h 36m
Washington, D.C. Reagan-National
Mon 26/5
08:29-23:40
2 stops28h 11m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Sat 21/6
02:40-16:25
2 stops48h 45m
Washington, D.C. Dulles Intl
Tue 22/7
19:59-09:45
2 stops26h 46m
Best time to book a flight to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Washington, D.C.
When is the best time to book a flight to Washington, D.C.?
Use this chart to determine the optimal time to book a return flight from Bangkok to Washington, D.C.. Price data was last updated on 25 April 2025.
The best time to book flights to Washington, D.C. is 76 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.
How long is the flight to Washington, D.C.?
On average, a flight from Bangkok to Washington, D.C. takes 28 hours 41 minutes. Flights to Washington, D.C. from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.
What are the most popular airlines that fly to Washington, D.C.?
The most popular airlines flying from Bangkok to Washington, D.C. are United Airlines, ANA and Qatar Airways.
What are the cheapest airlines that fly to Washington, D.C.?
The cheapest airlines flying from Bangkok to Washington, D.C. are ซาอุเดียแอร์ไลน์, United Airlines and Korean Air.
Rainfall in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.
Temperature in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 29 April 2025.
To help decide which airline to fly to Washington, D.C., see what other customers have to say about EVA Air, Korean Air and Japan Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Dale,Apr 2025
SFO - TPE
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Dale,Apr 2025
SFO - TPE
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Dale,Apr 2025
SFO - TPE
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Dale,Apr 2025
SFO - TPE
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Dale,Apr 2025
SFO - TPE
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Dale,Apr 2025
SFO - TPE
FAQs about flying to Washington, D.C.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Airports serving Washington, D.C.
Book a flight to or from one of these Washington, D.C. airports.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights to Washington, D.C.?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets to Washington, D.C.?
Cheapflights helps you find that perfect flight to Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights to Washington, D.C. with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights to Washington, D.C. flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights to Washington, D.C. become cheaper?
Yes! Start tracking prices for Washington, D.C. flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.