$923 Cheap United flights Bangkok (BKK) to Washington (IAD)

You’ll find budget-friendly return United Airlines flights from $1,014 from BKK to IAD by organizing your results from “Price (lowest to highest)” on Expedia. Or look for options from $923 for a one-way trip.**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.

January is one of the least expensive months to jet off to Washington with United Airlines. You could also find great prices on return and one-way tickets in February.

Check for United Airlines flights from BKK to IAD about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save 17% on average 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.

Enter your dates, press search and select “Nonstop” on Expedia to find any direct flights from BKK to IAD with United Airlines or other airlines.

Sort your results by “Morning” and “Early Morning” to find the earliest departures from BKK to IAD. Taking off early means you’re less likely to experience 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.

United Airlines flights from Suvarnabhumi Intl. Airport (BKK) to Washington come in to Washington Dulles Intl. Airport (IAD). This is the main gateway to this city.

With a rewarding loyalty program, United Airlines is a favorite of many passengers flying from BKK to IAD. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can cancel or reschedule your flight, although there may be additional charges if your booking was made over 24 hours ago. Need to keep your options open? Use Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you have to alter your plans. To modify your booking, visit “Trips,” select your flight and click on “Manage Booking” for further information.