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$384+ Cheap flights from Belfast to Washington

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SEA
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Belfast to Washington

Keep the following information in mind while searching for Belfast to Washington flight deals. Data was last updated February 22, 2025.

Round-trip from

$795
(EaseMyTrip)

One-way from

$384
(Kiwi.com)
From Belfast to Washington
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One-way flight from Belfast to Washington
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Find flight deals from Belfast to Washington

Cheapest flights from Belfast to Washington
Explore the most affordable flight options available from Belfast to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This EaseMyTrip deal was found by Cheapflights users on 2/21. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:30 amBHD - SEA
1 stop13h 10mVirgin Atlantic
Thu 5/222:10 pmSEA - BHD
1 stop23h 05mVirgin Atlantic
Deal found 2/21$795
This EaseMyTrip deal was found by Cheapflights users on 2/21. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/84:20 pmBHD - SEA
1 stop34h 00mIberia
Thu 5/222:25 pmSEA - BHD
2 stops17h 05mIberia
Deal found 2/21$797
This Delta deal was found by Cheapflights users on 2/21. 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.
Thu 5/86:30 amBHD - SEA
1 stop13h 10mDelta
Thu 5/226:10 pmSEA - BHD
1 stop19h 05mDelta
Deal found 2/21$801
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 5/86:35 amBHD - SEA
2 stops17h 25mAmerican Airlines
Thu 5/221:30 pmSEA - BHD
1 stop15h 45mAmerican Airlines
Deal found 2/21$804
This Air France deal was found by Cheapflights users on 2/21. 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.
Thu 5/86:30 amBHD - SEA
1 stop13h 10mMultiple Airlines
Thu 5/292:10 pmSEA - BHD
1 stop18h 45mMultiple Airlines
Deal found 2/21$836
This KLM deal was found by Cheapflights users on 2/21. 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.
Fri 5/96:30 amBHD - SEA
1 stop17h 20mKLM
Fri 5/306:10 pmSEA - BHD
1 stop19h 05mKLM
Deal found 2/21$874
This ChecknFly deal was found by Cheapflights users on 2/21. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:25 pmBHD - SEA
2 stops29h 34mAer Lingus
Thu 5/226:45 pmSEA - BHD
2 stops30h 05mAer Lingus
Deal found 2/21$910
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Mon 4/78:10 amBFS - SEA
3 stops38h 55mMultiple Airlines
Mon 4/143:45 pmSEA - BFS
2 stops21h 10mMultiple Airlines
Deal found 2/20$982

Find flights from Belfast to Washington within your budget

Customize your flight search to find flights from Belfast to Washington 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 February 22, 2025.

Fly from

Belfast

Fly to

Washington

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/8

6:30 am-11:40 am

1 stop13h 10m

Seattle/Tacoma Intl

Thu 5/22

2:10 pm-9:15 pm

1 stop23h 05m

$795

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/8

4:20 pm-6:20 pm

1 stop34h 00m

Seattle/Tacoma Intl

Thu 5/22

2:25 pm-3:30 pm

2 stops17h 05m

$797

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/8

6:30 am-11:40 am

1 stop13h 10m

Seattle/Tacoma Intl

Thu 5/22

6:10 pm-9:15 pm

1 stop19h 05m

$801

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/8

6:35 am-4:00 pm

2 stops17h 25m

Seattle/Tacoma Intl

Thu 5/22

1:30 pm-1:15 pm

1 stop15h 45m

$804

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/8

6:30 am-11:40 am

1 stop13h 10m

Seattle/Tacoma Intl

Thu 5/29

2:10 pm-4:55 pm

1 stop18h 45m

$836

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Fri 5/9

6:30 am-3:50 pm

1 stop17h 20m

Seattle/Tacoma Intl

Fri 5/30

6:10 pm-9:15 pm

1 stop19h 05m

$874

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 5/8

7:25 pm-4:59 pm

2 stops29h 34m

Seattle/Tacoma Intl

Thu 5/22

6:45 pm-8:50 am

2 stops30h 05m

$910

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Mon 4/7

8:10 am-3:05 pm

3 stops38h 55m

Seattle/Tacoma Intl

Mon 4/14

3:45 pm-8:55 pm

2 stops21h 10m

$982

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Mon 3/17

9:10 pm-9:52 am

3 stops43h 42m

$384

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 3/19

7:25 am-12:02 pm

3 stops35h 37m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 11 results
1
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Best time to book a flight from Belfast to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Belfast 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.

Travel insights for flights from Belfast to Washington

Get recent, data-driven insights about flights from Belfast to Washington including ideal travel times, pricing trends, and more.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated February 22, 2025.
Delta
8.0
Very good
8,212 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,330 reviews
Delta
8.0
Very good
8,212 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
653 reviews
Delta
8.0
Very good
8,212 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,212 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very good
8,212 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

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

  • How can I find direct flights from Belfast to Washington?

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

  • Can I find deals for business class flights from Belfast to Washington?

    Yes. Cheapflights offers flight deals from Belfast to Washington 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 Belfast to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Belfast to State of Washington (average of $238). Flying from Belfast to State of Washington in July is currently the most expensive (average of $411). 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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Alternative routes for Belfast to Washington

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