Washington

$398+ Cheap flights from Belfast Intl (BFS) 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.
BFS — SEA
feb. 25 — mar. 41
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Cheap flight deals from Belfast Intl to Washington

Keep the following information in mind while searching for Belfast Intl to Washington flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$900
(Mytrip)

One-way from

$398
(Kiwi.com)
From Belfast Intl to Washington
One-way flight from Belfast Intl to Washington

Find flight deals from Belfast Intl to Washington

Cheapest flights from Belfast Intl to Washington
Explore the most affordable flight options available from Belfast Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

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.
dom. 4/62:55 pmBFS - SEA
2 stops41h 04mMultiple Airlines
dom. 4/133:45 pmSEA - BFS
2 stops22h 35mMultiple Airlines
Deal found 2/20$900

Find flights from Belfast Intl to Washington within your budget

Customize your flight search to find flights from Belfast Intl 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 febrero 20, 2025.

Fly from

Belfast Intl

Fly to

Washington

Route

Depart

Return

Price

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

dom. 4/6

2:55 pm-11:59 pm

2 stops41h 04m

Seattle/Tacoma Intl

dom. 4/13

3:45 pm-10:20 pm

2 stops22h 35m

$900

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

lun. 3/17

9:05 pm-8:43 am

2 stops42h 38m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Best time to book a flight from Belfast Intl to Washington

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

Get recent, data-driven insights about flights from Belfast Intl 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).

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Intl to Washington that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to State of Washington (average of $238). Flying from Belfast Intl Airport 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.

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