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Cheap flights from Seattle (SEA) to Belfast Intl (BFS) from $479

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 7/26. 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.
SEA — BFS
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
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Cheap flight deals from Seattle to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belfast Intl (BFS). 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 junio 6, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$640

One-way from

$479
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Seattle/Tacoma Intl to Belfast Intl
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One-way flight from Seattle/Tacoma Intl to Belfast Intl
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What is the cheapest day to fly round-trip from Seattle to Belfast Intl Airport?

Sunday is generally a great day to depart. Flying on this day could help you save up to 50%.

What is the cheapest month to fly from Seattle to Belfast Intl Airport?

Our data shows that April tends to be the cheapest month to fly to Belfast Intl Airport from Seattle. Users have commonly found prices around $1,036 for the month, but tickets can be as low as $719. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from SEA to BFS?

A simple way to save on the total cost of your ticket is to fly from Seattle to Belfast Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

One-way flights to Belfast Intl from Seattle

Search for one-way flight options from Seattle to Belfast Intl. 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 3,050,429 searches. Data last updated junio 6, 2024.
vie. 7/2611:00 pmSEA - BFS
2 stops38h 00mMultiple Airlines
Deal found 6/5$479
jue. 6/1311:59 pmSEA - BFS
3 stops35h 16mMultiple Airlines
Deal found 6/6$797
jue. 6/135:05 pmSEA - BFS
2 stops21h 20mMultiple Airlines
Deal found 6/6$955
vie. 7/267:00 amSEA - BFS
3 stops27h 05mMultiple Airlines
Deal found 6/4$1,668

What is the cheapest day to fly from Seattle to Belfast Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Belfast Intl. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Belfast Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Seattle to Belfast Intl

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

Temperature and rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

If weather is an important factor for your trip to Belfast Intl Airport, 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).

Related info for your journey

Find useful and relevant information for your journey from Seattle to Belfast Intl. 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 from for flights from Seattle to Belfast Intl?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Belfast Intl from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Belfast Intl should be relatively easy as there are 0 daily outbound flights to Belfast Intl from 2 different airlines.

  • What does SEA to BFS mean?

    Great question - SEA to BFS just means Seattle/Tacoma Intl Airport to Belfast Intl Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Seattle to Belfast Intl 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 Seattle to Belfast Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Belfast Intl 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 Seattle to Belfast Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Belfast Intl 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 Seattle to Belfast Intl that allow pets onboard?

    Many airlines flying from Seattle to Belfast Intl 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 Seattle to Belfast Intl?

    Yes, you can often find last-minute deals on Seattle to Belfast Intl 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.

  • What is the cheapest month to book a flight from Seattle to Belfast Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Belfast Intl Airport (average of $641). Flying from Seattle to Belfast Intl Airport in June is currently the most expensive (average of $1,214). 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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Alternative routes for Seattle to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Belfast City flights
Portland to Belfast City flights

Top 2 airlines flying from Seattle to Belfast Intl

Discover the top 2 airlines that operate flights from Seattle to Belfast Intl. 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 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$603Average$813FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$667Average$1,148FlexibilityNo cancel feeOn-time70%
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Search flights from Seattle to Belfast Intl by cabin class

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