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$304+ Cheap flights from Washington, D.C. (WAS) 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BHD
מרץ 13 — מרץ 201
ו' 3/13
ו' 3/20
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Belfast

Cheapest flights from Washington, D.C. to Belfast
Explore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on פברואר 11, 2026.

This oojo deal was found by Cheapflights users on 2/7. 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.
א' 3/810:45 pm
IAD
-
BHD
1 stop11h 10m
British Airways
א' 3/158:25 pm
BHD
-
IAD
1 stop28h 30m
British Airways
Deal found 2/7$646
This British Airways deal was found by Cheapflights users on 2/8. 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.
ד' 3/46:20 pm
IAD
-
BHD
1 stop9h 50m
British Airways
א' 3/812:10 pm
BHD
-
IAD
1 stop32h 25m
British Airways
Deal found 2/8$649
This oojo deal was found by Cheapflights users on 2/8. 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.
ה' 3/59:45 pm
IAD
-
BHD
1 stop29h 40m
British Airways
ה' 3/126:35 am
BHD
-
IAD
1 stop18h 20m
British Airways
Deal found 2/8$655
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 8/255:40 pm
IAD
-
BHD
1 stop10h 20m
British Airways
ב' 8/319:40 am
BHD
-
IAD
1 stop11h 10m
British Airways
Deal found 2/9$658
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 8/255:40 pm
IAD
-
BHD
1 stop12h 05m
British Airways
ד' 9/26:30 am
BHD
-
IAD
1 stop18h 50m
British Airways
Deal found 2/11$659
This American Airlines deal was found by Cheapflights users on 2/9. 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.
א' 2/156:04 pm
BWI
-
BHD
2 stops19h 36m
American Airlines
ב' 2/2311:30 am
BHD
-
BWI
2 stops15h 56m
American Airlines
Deal found 2/9$661
This American Airlines deal was found by Cheapflights users on 2/9. 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.
ד' 3/41:54 pm
DCA
-
BHD
2 stops15h 21m
American Airlines
א' 3/86:30 am
BHD
-
DCA
2 stops15h 12m
American Airlines
Deal found 2/9$661
This oojo deal was found by Cheapflights users on 2/9. 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.
ה' 8/205:40 pm
IAD
-
BHD
1 stop11h 30m
British Airways
ה' 9/109:35 am
BHD
-
IAD
1 stop15h 45m
British Airways
Deal found 2/9$662
This Air France deal was found by Cheapflights users on 2/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 2/156:05 pm
IAD
-
BHD
1 stop17h 45m
Multiple Airlines
ב' 2/236:30 am
BHD
-
IAD
1 stop14h 35m
Multiple Airlines
Deal found 2/9$670
This oojo deal was found by Cheapflights users on 2/8. 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.
ה' 4/25:40 pm
IAD
-
BHD
1 stop21h 55m
British Airways
ג' 4/78:25 pm
BHD
-
IAD
1 stop26h 00m
British Airways
Deal found 2/8$673
This KLM deal was found by Cheapflights users on 2/9. 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.
א' 2/155:13 pm
IAD
-
BHD
2 stops18h 37m
KLM
ב' 2/236:30 am
BHD
-
IAD
1 stop14h 35m
KLM
Deal found 2/9$674
This Air France deal was found by Cheapflights users on 2/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 3/56:05 pm
IAD
-
BHD
1 stop17h 45m
Multiple Airlines
ה' 3/126:30 am
BHD
-
IAD
2 stops16h 49m
Multiple Airlines
Deal found 2/9$680

Find flight deals from Washington, D.C. to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated פברואר 11, 2026.

Round-trip from

$646
(oojo)

One-way from

$304
(Kiwi.com)
From Washington, D.C. (WAS) to Belfast
Search Deals
One-way flight from Washington, D.C. (WAS) to Belfast
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 פברואר 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Belfast that are best for you.

Fly from

Washington, D.C.

Fly to

Belfast

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ד' 3/4

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

א' 3/8

12:10 pm-4:35 pm

1 stop32h 25m

$649

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ה' 3/5

9:45 pm-8:25 am

1 stop29h 40m

Belfast City

ה' 3/12

9:05 am-8:55 pm

1 stop15h 50m

$656

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ש' 5/9

5:40 pm-12:25 pm

1 stop13h 45m

Belfast City

ה' 5/21

6:30 am-3:50 pm

1 stop14h 20m

$658

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

ד' 3/4

1:54 pm-10:15 am

2 stops15h 21m

Belfast City

א' 3/8

6:30 am-4:42 pm

2 stops15h 12m

$661

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ד' 3/4

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

א' 3/8

6:30 am-4:05 pm

1 stop14h 35m

$670

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ד' 3/4

12:24 pm-4:50 pm

2 stops23h 26m

Belfast City

א' 3/8

6:30 am-4:05 pm

1 stop14h 35m

$674

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ה' 3/5

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

ה' 3/12

6:30 am-8:46 pm

2 stops18h 16m

$680

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

ב' 3/9

6:30 pm-5:55 pm

2 stops19h 25m

Belfast Intl

ב' 3/16

8:35 am-3:35 pm

3 stops35h 00m

$706

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

א' 5/10

9:35 pm-2:35 pm

1 stop12h 00m

Belfast City

ד' 5/13

6:20 pm-7:40 pm

1 stop30h 20m

$757

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

ד' 3/4

3:39 pm-4:50 pm

2 stops20h 11m

Belfast City

א' 3/8

6:30 am-9:14 pm

2 stops19h 44m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 47 results
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Best time to book a flight from Washington, D.C. to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Washington, D.C. 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 Washington, D.C. to Belfast
No data available for this route at this time. Please check back soon.

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 פברואר 11, 2026.
Peruse reviews from past customers who have flown with British Airways from Washington, D.C. to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,731 reviews

Boarding

6.9

Food

6.4

Overall

6.7

Entertainment

6.4

Comfort

6.8

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Lakshmi,Dec 2025

SFO - LHR

I had a great time on the flight with good entertainment and food. The staff was awesome. The only thing was there was a delay in boarding and takeoff from London. However, I was pleasantly surprised when the airline sent an apology for the few later landing in Mumbai. They did not have WiFi on board on the leg from London to Mumbai but that was okay for me. On the first leg from SF to London, a couple of seats ahead of me had issues with their display so they could not watch anything on their screens although the stewardess gas be them an option to use the WiFi on their devices. This did not affect me, however, so that was cool. I would recommend British Airways. This was my first time flying with them and I had a lovely flight.
British Airways
6.7
Okay
7,731 reviews
British Airways
6.7
Okay
7,731 reviews

Boarding

6.9

Food

6.4

Overall

6.7

Entertainment

6.4

Comfort

6.8

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Lakshmi,Dec 2025

SFO - LHR

I had a great time on the flight with good entertainment and food. The staff was awesome. The only thing was there was a delay in boarding and takeoff from London. However, I was pleasantly surprised when the airline sent an apology for the few later landing in Mumbai. They did not have WiFi on board on the leg from London to Mumbai but that was okay for me. On the first leg from SF to London, a couple of seats ahead of me had issues with their display so they could not watch anything on their screens although the stewardess gas be them an option to use the WiFi on their devices. This did not affect me, however, so that was cool. I would recommend British Airways. This was my first time flying with them and I had a lovely flight.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Belfast?

    Airlines like British Airways, American Airlines, and Delta fly from Washington, D.C. to Belfast in about 9h 50m. The time it takes to get you to your destination can typically vary by up to 10h 21m. The distance between Washington, D.C. and Belfast is about 3390 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. to Belfast round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Belfast round-trip from $627.

  • What are the most popular routes from Washington, D.C. to Belfast?

    Most travelers choose Washington, D.C. Dulles Intl - Belfast Intl, Washington, D.C. Dulles Intl - Belfast City or Baltimore/Washington - Belfast Intl when deciding on the best route from Washington, D.C. to Belfast.

  • Can I find deals for flights from Washington, D.C. to Belfast that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Belfast?

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

  • Can I find deals for business class flights from Washington, D.C. to Belfast?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

See more FAQs

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Alternative routes for Washington, D.C. to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Belfast Intl flights
Dulles Intl to Belfast City flights
Reagan-National to Belfast Intl flights
Reagan-National to Belfast City flights

Top airline flying from Washington, D.C. to Belfast

Discover the top airline that operate flights from Washington, D.C. 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 פברואר 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$627Average$875FlexibilityNo cancel feeOn-time70%

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