Belfast

$361+ Cheap flights from District of Columbia to Belfast

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
may. 5 — may. 121
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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 abril 30, 2025.

Round-trip from

$666
(American Airlines)

One-way from

$361
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$663
From District of Columbia to Belfast
One-way flight from District of Columbia to Belfast
Highest demand for flights based on searches. 19% potential increase in price ($183 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT 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 abril 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/67:25 pmIAD - BHD
1 stop11h 50mAmerican Airlines
sáb. 12/209:10 amBHD - IAD
1 stop11h 25mAmerican Airlines
Deal found 4/29$666
This British Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/17:25 pmIAD - BHD
1 stop12h 50mBritish Airways
dom. 5/41:00 pmBHD - IAD
1 stop12h 10mBritish Airways
Deal found 4/29$668
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/16:35 amDCA - BHD
2 stops21h 10mBritish Airways
dom. 5/43:50 pmBHD - DCA
2 stops22h 39mBritish Airways
Deal found 4/29$681
This KLM deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:35 pmIAD - BHD
1 stop18h 15mKLM
dom. 11/25:30 amBHD - IAD
1 stop14h 15mKLM
Deal found 4/28$703
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/103:30 pmIAD - BFS
2 stops20h 10mMultiple Airlines
mar. 6/175:55 amBFS - IAD
3 stops20h 09mMultiple Airlines
Deal found 4/28$798
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1012:55 pmDCA - BFS
3 stops22h 45mMultiple Airlines
mar. 6/178:20 amBFS - DCA
3 stops30h 58mMultiple Airlines
Deal found 4/27$804
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:00 pmDCA - BHD
2 stops23h 00mDelta
jue. 12/256:30 amBHD - DCA
2 stops21h 24mDelta
Deal found 4/28$821
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/168:30 pmIAD - BHD
2 stops19h 15mMultiple Airlines
sáb. 9/207:00 pmBHD - IAD
2 stops32h 10mMultiple Airlines
Deal found 4/28$825
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:10 pmIAD - BHD
2 stops22h 50mDelta
jue. 12/256:30 amBHD - IAD
1 stop14h 15mDelta
Deal found 4/28$833
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/15:20 pmIAD - BHD
2 stops16h 15mAer Lingus
dom. 5/47:00 amBHD - IAD
2 stops16h 55mAer Lingus
Deal found 4/28$837
This Booking.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/135:49 pmDCA - BHD
2 stops14h 11mMultiple Airlines
vie. 5/167:00 amBHD - DCA
3 stops40h 03mMultiple Airlines
Deal found 4/29$1,104

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated abril 30, 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

sáb. 9/6

7:25 pm-12:15 pm

1 stop11h 50m

Belfast City

sáb. 12/20

9:10 am-3:35 pm

1 stop11h 25m

$666

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

sáb. 9/6

8:19 pm-5:15 pm

2 stops15h 56m

Belfast City

sáb. 12/20

6:00 pm-3:58 pm

2 stops26h 58m

$681

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

sáb. 9/6

5:00 pm-12:15 pm

2 stops14h 15m

Belfast City

sáb. 12/20

6:30 am-7:11 pm

2 stops17h 41m

$681

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

mar. 6/10

3:30 pm-4:40 pm

2 stops20h 10m

Belfast Intl

mar. 6/17

5:55 am-9:04 pm

3 stops20h 09m

$798

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

mar. 6/10

12:55 pm-4:40 pm

3 stops22h 45m

Belfast Intl

mar. 6/17

8:20 am-10:18 am

3 stops30h 58m

$804

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 9/16

8:30 pm-8:45 pm

2 stops19h 15m

Belfast City

sáb. 9/20

7:00 pm-10:10 pm

2 stops32h 10m

$825

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

dom. 6/8

8:25 pm-2:35 pm

2 stops13h 10m

Belfast City

dom. 6/15

7:00 am-6:55 pm

2 stops16h 55m

$1,001

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mié. 5/28

5:24 pm-4:55 pm

2 stops18h 31m

Belfast City

mié. 6/4

6:30 am-4:44 pm

2 stops15h 14m

$1,093

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

mar. 5/13

5:49 pm-1:00 pm

2 stops14h 11m

Belfast City

vie. 5/16

7:00 am-6:03 pm

3 stops40h 03m

$1,104

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

jue. 6/19

5:25 pm-4:55 pm

1 stop18h 30m

Belfast City

mar. 6/24

8:30 am-3:35 pm

1 stop12h 05m

$1,212

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 results
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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 round-trip 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, February is the cheapest month in which you can book a flight from District of Columbia to Belfast (average of $657). Flying from District of Columbia to Belfast in June is currently the most expensive (average of $1,189). 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 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 abril 30, 2025.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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 vacation 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, February is the cheapest month in which you can book a flight from District of Columbia to Belfast (average of $657). Flying from District of Columbia to Belfast in June is currently the most expensive (average of $1,189). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from District of Columbia to Belfast

Discover the top airline that operate flights from District of Columbia to Belfast. 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 2,558,603 searches. Data last updated abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$578Average$864FlexibilityNo cancel feeOn-time70%

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