Cheap flights from District of Columbia to Belfast Intl Airport from £523
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from District of Columbia to Belfast Intl
Keep the following information in mind while searching for District of Columbia to Belfast Intl flight deals. Data was last updated 23 April 2025.
Find flight deals from District of Columbia to Belfast Intl
Cheapest flights from District of Columbia to Belfast IntlExplore the most affordable flight options available from District of Columbia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2025.
Explore the most affordable flight options available from District of Columbia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from District of Columbia to Belfast Intl 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 23 April 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Thu 29/5
15:30-16:15
2 stops19h 45m
Belfast Intl
Mon 2/6
21:55-20:50
3 stops27h 55m
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Thu 29/5
06:00-16:15
3 stops29h 15m
Belfast Intl
Mon 2/6
08:20-19:43
2 stops16h 23m
Best time to book a flight from District of Columbia to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from District of Columbia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Belfast Intl Airport
Rainfall in Belfast Intl by month
Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.
Temperature in Belfast Intl by month
Plan your trip to Belfast Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Belfast Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
Related info for your journey
Find useful and relevant information for your journey from District of Columbia to Belfast Intl. 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 District of Columbia to Belfast Intl
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Can Cheapflights find flights from District of Columbia to Belfast Intl with no change fees?
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