$1,026 Cheap Air China flights Washington (IAD) to Bangkok (BKK)

Landing cheap one-way Air China flights from IAD to BKK from $1,026 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $1,447 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

September is one of the most affordable months to jet away to Bangkok with Air China. You could also find fantastic deals on one-way and round-trip fares in October.

Start your search for Air China flights from IAD to BKK about one month before you want to leave. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To find out if there’s a direct journey from IAD to BKK with Air China or any other airlines, check the “Nonstop” filter when looking for flights.

To find the earliest departures from IAD to BKK with Air China, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Air China flights from Washington Dulles Intl. Airport (IAD) to Bangkok arrive at Suvarnabhumi Intl. Airport (BKK). This is the main entry point to this destination.

For checked luggage, you can bring 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from IAD to BKK with Air China. This carry-on should weigh less than 15 lb and be no bigger than 9 inches x 14 inches x 22 inches. Going above these restrictions can mean additional fees, so read Air China’s baggage allowance rules before you pack.

Travel from IAD to BKK with Air China and you’ll enjoy a range of benefits including top-tier customer service. When you book through Expedia as a PhoenixMiles and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can reschedule or cancel your flight, although there may be additional fees if you made your booking over 24 hours ago. Need flexible options? Make use of our “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you need to adjust your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.