$1,571 Cheap British Airways flights Washington (IAD) to Dhaka (DAC)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap British Airways return flights from $2,218 from IAD to DAC. Affordable one-way options from $1,571 are also available.**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.

August is one of the least expensive months to get away to Dhaka with British Airways. You could also find excellent prices on return and one-way fares in March.

Start your search for British Airways flights from IAD to DAC about one month before you want to go. The most affordable time to reserve 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. No matter your ticket type or itinerary, the best day of the week 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.

Simply enter your dates, press search and check “Nonstop” on Expedia to find any direct flights from IAD to DAC with British Airways or other airlines.

Filter your results by “Early Morning” and “Morning” to find the earliest departures from IAD to DAC. Taking off early means flight cancellations are less likely.**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.

Shahjalal Intl. Airport (DAC) is the main Dhaka gateway for British Airways flights from Washington Dulles Intl. Airport (IAD).

For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also bring 2 cabin bags on board when flying standard economy from IAD to DAC with British Airways. This carry-on must weigh less than 50 lb and be no larger than 19 inches x 9 inches x 17 inches. Exceeding these restrictions can mean additional charges, so check British Airways’s baggage allowance rules before packing your suitcase.

With top-tier customer service and an excellent in-flight experience, British Airways is a popular option for many passengers heading from IAD to DAC. Plus, if you’re a British Airways Executive Club and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making your booking, but your airline may add a charge after that. For more details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to adjust your plans without additional costs, check the “Changes included” or “No cancel fee” filter when planning your next trip.