Cheap flights from Belfast Intl Airport to District of Columbia from £540
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Belfast Intl to District of Columbia
Cheapest flights from Belfast Intl to District of ColumbiaExplore the most affordable flight options available from Belfast Intl to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.
Explore the most affordable flight options available from Belfast Intl to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast Intl to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 April 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastWashington, D.C.
BFS - IAD
BFSIAD
Belfast Intl
Tue 20/5
06:45-15:20
3 stops37h 35m
Washington, D.C. Dulles Intl
Tue 27/5
17:12-16:40
2 stops18h 28m
BelfastWashington, D.C.
BFS - DCA
BFSDCA
Belfast Intl
Tue 20/5
06:15-22:28
3 stops21h 13m
Washington, D.C. Reagan-National
Tue 27/5
06:59-16:40
2 stops28h 41m
Best time to book a flight from Belfast Intl to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Belfast Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Belfast Intl Airport to District of Columbia
Rainfall in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in District of Columbia ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.
Temperature in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to District of Columbia, 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).
Related info for your journey
Find useful and relevant information for your journey from Belfast Intl to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Belfast Intl to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Belfast Intl to District of Columbia
Discover the top airline that operate flights from Belfast Intl to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 April 2025.
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How does Cheapflights help users find flights from Belfast Intl to District of Columbia?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast Intl to District of Columbia. 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 from Belfast Intl to District of Columbia?
Cheapflights helps you find that perfect flight to District of Columbia from Belfast Intl 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 from Belfast Intl to District of Columbia with no change fees?
Yes! Cheapflights helps users easily find flights from Belfast Intl to District of Columbia with no change fees.
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