Air China flights from Washington, D.C. to Bangkok Suvarnabhumi Airport (WAS - BKK)

WAS — BKK
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Washington, D.C. to Bangkok on Air China typically fly into Bangkok Suvarnabhumi and depart from Washington, D.C. Dulles Intl. Select your dates above for pricing.

Air China flights from Washington, D.C. to Suvarnabhumi in 2026

Find detailed information about Air China flights from Washington, D.C. to Suvarnabhumi. Explore the options provided by Air China to plan your journey from Washington, D.C. to Suvarnabhumi. Data last updated 28 April 2026.

One-way from

฿31,588

Return from

฿54,802

Popular in

December

Cheapest in

September

Average price (all airlines)

฿30,327
Air China
  • Air China
  • 11/5
  • 2 total stops
  • 28h 15m total
  • Washington, D.C. to Bangkok
Air China
  • Air China
  • 13/7-23/7
  • 3 total stops
  • 53h 37m total
  • Washington, D.C. to Bangkok
Highest demand for flights from Washington, D.C. to Bangkok Suvarnabhumi; 9% potential price increase.
Best time to find cheap flights from Washington, D.C. to Bangkok Suvarnabhumi; 4% potential price drop.
Average price for all Washington, D.C. to Bangkok Suvarnabhumi flights (one-way and round-trip).

Find Air China flight deals from Washington, D.C. to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest Air China flights from Washington, D.C. to Suvarnabhumi
Explore the most affordable Air China flight options available from Washington, D.C. to Suvarnabhumi. Find the lowest fares with prices last updated on 28 April 2026.

Sun 3/511:55
DCA
-
BKK
1 stop34h 40m
Air China
Sun 31/515:45
BKK
-
DCA
2 stops41h 30m
Air China
Deal found 26/4฿55,643
Sun 3/518:35
BWI
-
BKK
1 stop28h 00m
Air China
Wed 13/515:45
BKK
-
BWI
2 stops26h 27m
Air China
Deal found 25/4฿55,740
Wed 6/506:20
BWI
-
BKK
1 stop40h 15m
Air China
Fri 12/615:45
BKK
-
BWI
1 stop26h 39m
Air China
Deal found 28/4฿55,999

Rainfall in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.

Temperature in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Best time to book a flight from Washington, D.C. to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Washington, D.C. with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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.

Fly from Washington, D.C. to Suvarnabhumi on another airline

Consider alternative airlines that service the Suvarnabhumi area. Flight routes are based on user searches made on Cheapflights and were last updated on 28 April 2026.

See what others are saying about Air China

Read reviews and see what other travellers are saying about their experiences with Air China. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air China for your next flight. Reviews last updated 28 April 2026.
Air China
7.3
Good
148 reviews
Overview

Comfort

7.1

Food

7.1

Crew

8.0

Boarding

7.7

Entertainment

6.4

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.