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Cheap flights from Belfast Intl (BFS) to Seattle (SEA) from $371

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BFS — SEA
May 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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When is the cheapest time to fly from Belfast Intl Airport to Seattle (BFS - SEA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Seattle as you normally would.

Cheap Belfast Intl to Seattle flights in May & June 2024

Find cheap flight options from Belfast Intl to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Prices were last updated on May 15, 2024.
Sat 6/157:10 amBFS - SEA
2 stops21h 11mMultiple Airlines
Sat 8/171:50 pmSEA - BFS
2 stops35h 40mMultiple Airlines
Deal found 5/14$1,717
Sat 6/157:10 amBFS - SEA
2 stops21h 11mMultiple Airlines
Sat 8/171:50 pmSEA - BFS
2 stops35h 40mMultiple Airlines
Deal found 5/15$2,149

Belfast Intl to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Belfast Intl and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Sat 6/157:10 amBFS - SEA
2 stops21h 11mMultiple Airlines
Sat 8/171:50 pmSEA - BFS
2 stops35h 40mMultiple Airlines
Deal found 5/14$1,717
Sat 6/157:10 amBFS - SEA
2 stops21h 11mMultiple Airlines
Sat 8/171:50 pmSEA - BFS
2 stops35h 40mMultiple Airlines
Deal found 5/15$2,149

One-way flights to Seattle from Belfast Intl

Search for one-way flight options from Belfast Intl to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Mon 6/310:35 amBFS - SEA
3 stops41h 56mMultiple Airlines
Deal found 5/14$371
Tue 6/48:10 pmBFS - SEA
3 stops44h 22mMultiple Airlines
Deal found 5/14$382
Sun 6/910:10 pmBFS - SEA
3 stops54h 21mMultiple Airlines
Deal found 5/14$386
Wed 6/56:15 amBFS - SEA
3 stops34h 17mMultiple Airlines
Deal found 5/14$387
Thu 6/66:15 amBFS - SEA
3 stops34h 17mMultiple Airlines
Deal found 5/14$396
Fri 6/76:50 amBFS - SEA
3 stops38h 06mMultiple Airlines
Deal found 5/14$399
Thu 6/66:15 amBFS - SEA
2 stops25h 44mMultiple Airlines
Deal found 5/14$408
Mon 6/39:30 pmBFS - SEA
2 stops30h 50mMultiple Airlines
Deal found 5/14$409
Wed 6/53:15 pmBFS - SEA
2 stops37h 05mMultiple Airlines
Deal found 5/14$411

Find flights from Belfast Intl to Seattle within your budget

Customize your flight search to find flights from Belfast Intl to Seattle 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 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,717 - $2,149

Route

Depart

Return

Price

Belfast IntlSeattle/Tacoma Intl

BFS - SEA

BFSSEA

Belfast Intl

Sat 6/15

2 stops21h 11m

Seattle/Tacoma Intl

Sat 8/17

2 stops35h 40m

$1,717

Belfast IntlSeattle/Tacoma Intl

BFS - SEA

BFSSEA

Belfast Intl

Sat 6/15

2 stops21h 11m

Seattle/Tacoma Intl

Sat 8/17

2 stops35h 40m

$2,149

Flights are sorted by cheapest first

Deals found on 5/14

When is the cheapest time to fly from Belfast Intl Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Belfast Intl to Seattle. Price data was last updated on March 31, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Belfast Intl Airport to Seattle flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Related info for your journey

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

  • What airport do you fly into for flights to Seattle from Belfast Intl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Belfast Intl to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from Belfast Intl on a regular basis. Booking flights from Belfast Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Belfast Intl per day.

  • Can I find flights from Belfast Intl Airport to Seattle for under $1,800 on Cheapflights?

    Yes, there are multiple flights from Belfast Intl Airport to Seattle for under $1,800. The cheapest flight booked recently is on Multiple Airlines for just $1,717, but on average you can expect to pay $1,933.

  • What does BFS to SEA mean?

    BFS stands for Belfast Intl Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Belfast Intl to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Belfast Intl to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Belfast Intl to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Belfast Intl to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Belfast Intl to Seattle that allow pets onboard?

    Many airlines flying from Belfast Intl to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Belfast Intl to Seattle?

    Yes, you can often find last-minute deals on Belfast Intl to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Belfast Intl Airport to Seattle flight deals updated?

    The Belfast Intl Airport to Seattle flight deals you see on this page were last updated on 5/15.

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Search flights from Belfast Intl to Seattle by cabin class

Find flights from Belfast Intl to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast Intl to Seattle?

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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to Seattle.

Can Cheapflights find flights from Belfast Intl to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast Intl to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Belfast Intl to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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