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Cheap flights from District of Columbia to Belfast from £377

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
5 May — 12 May1
1 adult

Cheap flight deals from District of Columbia to Belfast

Keep the following information in mind while searching for District of Columbia to Belfast flight deals. Data was last updated 30 April 2025.

Round-trip from

£438

One-way from

£377

Popular in

June

Cheapest in

January

Average price

£494
American Airlines
  • American Airlines
  • 6/9-20/12
  • 2 total stops
  • 25h 25m total
  • District of Columbia to Belfast
22/5
  • 22/5
  • 2 total stops
  • 23h 40m total
  • District of Columbia to Belfast
Highest demand for flights based on searches. 19% potential increase in price (£101 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from District of Columbia to Belfast

Cheapest flights from District of Columbia to Belfast
Explore the most affordable flight options available from District of Columbia to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Sat 6/922:45IAD - BHD
1 stop11h 20mAmerican Airlines
Sat 20/1206:30BHD - IAD
1 stop14h 05mAmerican Airlines
Deal found 30/4£438
Sat 6/914:09IAD - BHD
2 stops19h 56mBritish Airways
Sat 20/1218:00BHD - IAD
2 stops26h 58mBritish Airways
Deal found 30/4£449
Sat 6/917:00DCA - BHD
2 stops14h 15mBritish Airways
Sat 20/1209:10BHD - DCA
2 stops18h 30mBritish Airways
Deal found 30/4£449
Tue 10/608:22IAD - BFS
2 stops27h 18mMultiple Airlines
Tue 17/605:55BFS - IAD
3 stops20h 09mMultiple Airlines
Deal found 29/4£558
Sun 6/720:30IAD - BHD
2 stops15h 25mKLM
Sun 24/806:30BHD - IAD
1 stop14h 05mKLM
Deal found 29/4£559
Sun 6/712:13IAD - BHD
2 stops28h 02mDelta
Sun 24/817:25BHD - IAD
2 stops31h 12mDelta
Deal found 29/4£567
Tue 10/609:40DCA - BFS
3 stops26h 00mMultiple Airlines
Tue 17/608:20BFS - DCA
3 stops18h 33mMultiple Airlines
Deal found 29/4£569
Sat 5/717:29DCA - BHD
2 stops18h 26mDelta
Sun 24/806:30BHD - DCA
2 stops21h 33mDelta
Deal found 29/4£612
Thu 1/517:20IAD - BHD
2 stops15h 25mAer Lingus
Sun 4/507:00BHD - IAD
2 stops16h 55mAer Lingus
Deal found 29/4£670
Sun 8/608:22IAD - BHD
2 stops28h 18mMultiple Airlines
Sun 15/607:05BHD - IAD
3 stops33h 38mMultiple Airlines
Deal found 28/4£785
Tue 13/517:49DCA - BHD
2 stops14h 11mMultiple Airlines
Fri 16/507:00BHD - DCA
3 stops40h 03mMultiple Airlines
Deal found 29/4£823
Fri 13/619:47DCA - BHD
2 stops14h 43mAmerican Airlines
Fri 4/706:35BHD - DCA
2 stops16h 31mAmerican Airlines
Deal found 30/4£1,008

Cheapflights Fare Finder

Customise your flight search to find flights from District of Columbia to Belfast 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 30 April 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast that are best for you.

Fly from

District of Columbia

Fly to

Belfast

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 6/9

22:45-15:05

1 stop11h 20m

Belfast City

Sat 20/12

06:30-15:35

1 stop14h 05m

£438

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 6/9

14:09-15:05

2 stops19h 56m

Belfast City

Sat 20/12

18:00-15:58

2 stops26h 58m

£449

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 6/9

17:00-12:15

2 stops14h 15m

Belfast City

Sat 20/12

09:10-22:40

2 stops18h 30m

£449

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 10/6

08:22-16:40

2 stops27h 18m

Belfast Intl

Tue 17/6

05:55-21:04

3 stops20h 09m

£558

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 6/7

20:30-16:55

2 stops15h 25m

Belfast City

Sun 24/8

06:30-15:35

1 stop14h 05m

£559

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 6/7

12:13-21:15

2 stops28h 02m

Belfast City

Sun 24/8

17:25-19:37

2 stops31h 12m

£567

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 10/6

09:40-16:40

3 stops26h 00m

Belfast Intl

Tue 17/6

08:20-21:53

3 stops18h 33m

£569

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 5/7

17:29-16:55

2 stops18h 26m

Belfast City

Sun 24/8

06:30-23:03

2 stops21h 33m

£612

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/6

20:25-14:35

2 stops13h 10m

Belfast City

Sun 15/6

07:00-18:55

2 stops16h 55m

£746

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/6

08:22-17:40

2 stops28h 18m

Belfast City

Sun 15/6

07:05-11:43

3 stops33h 38m

£785

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 18 results
1
2

Best time to book a flight from District of Columbia to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from District of Columbia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Belfast

What is the cheapest month to book a flight from District of Columbia to Belfast?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Belfast (average of £67). Flying from District of Columbia to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast 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 when rainfall is around 50.0 mm.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, 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).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 30 April 2025.
To help decide which airline to fly from District of Columbia to Belfast, see what other customers have to say about Delta, KLM and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from District of Columbia to Belfast?

  • Can I find deals for flights from District of Columbia to Belfast that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Belfast.

  • Can I find deals for business class flights from District of Columbia to Belfast?

    Yes. Cheapflights offers flight deals from District of Columbia to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Belfast?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Belfast (average of £67). Flying from District of Columbia to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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