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

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How to find the cheapest flight from
Seattle (SEA) to Belfast Intl (BFS)

All the information you need to plan the best SEA to BFS flight in 2022: compare Seattle to Belfast Intl flight prices with the expected peak season, weather and rainfall in Belfast Intl.
SEA - BFS
Price
$824 - $2,002
BFS
Temperature
41 - 60.8 °F
BFS
Rainfall
2 - 3.5 inches

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

May

Best time to find cheap flights, 34% potential price drop

Round-trip from

$824

From Seattle/Tacoma Intl to Belfast Intl

One-way from

$657

One-way flight from Seattle/Tacoma Intl to Belfast Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Belfast Intl Airport (SEA - BFS)?

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

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

Our data shows that May tends to be the cheapest month to fly to Belfast Intl Airport from Seattle. Users have commonly found prices around $1,240 for the month, but tickets can be as low as $788. Due to multiple factors, prepare for potentially higher prices in December.

Cheap flights from Seattle to Belfast Intl in July, August 2022

The best prices found for SEA to BFS flights for July, August
3 Jul - 8 Jul
$2,565pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BFS
Belfast Intl
BFS
Belfast Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
4 Jul - 9 Jul
$2,767pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BFS
Belfast Intl
BFS
Belfast Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
8 Jul - 10 Jul
$3,133pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BFS
Belfast Intl
BFS
Belfast Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Belfast Intl 2022 flight deals

Cheap flights to Belfast Intl from Seattle found for this year
5 Oct - 12 Oct
$904pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BFS
Belfast Intl
BFS
Belfast Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Oct - 12 Oct
$1,254pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BFS
Belfast Intl
BFS
Belfast Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Jul - 8 Jul
$2,565pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BFS
Belfast Intl
BFS
Belfast Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Belfast Intl from Seattle

The cheapest one-way flights from Seattle to Belfast Intl
9:35 am - 7:40 am
Multiple Airlines
1 Stop
14h 05m
SEA - BFS
Multiple Airlines
$1,597
Kiwi.com
9:35 am - 10:25 am
Multiple Airlines
1 Stop
16h 50m
SEA - BFS
Multiple Airlines
$2,073
Combigo
6:25 am - 1:55 pm
Multiple Airlines
2 Stops
23h 30m
SEA - BFS
Multiple Airlines
$657
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Belfast Intl</span> flights.

Flight FAQs

From Seattle to Belfast Intl

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 3 different airlines.

Which airlines flying from Seattle/Tacoma Intl to Belfast Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Belfast Intl have new flexible policies in place due to COVID-19. British Airways, American Airlines, and Virgin Atlantic are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from Seattle to Belfast Intl Airport for under $1,000 on Cheapflights?

Yes, there are multiple flights from Seattle to Belfast Intl Airport for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $904, but on average you can expect to pay $1,959.

What are the cheapest flights from Seattle to Belfast Intl Airport?

The cheapest flight price from Seattle to Belfast Intl Airport is $1,113. On average you can expect to pay $1,563. The most popular route, (Seattle/Tacoma Intl - Belfast Intl), can usually be booked for $902.

What are the most popular airlines that fly from Seattle to Belfast Intl Airport?

Consider American Airlines, British Airways or Delta when booking your flight. These represent the most popular airlines when flying from Seattle to Belfast Intl Airport.

COVID Restrictions

View COVID Travel Restrictions for Belfast Intl (BFS)

Do I need a COVID test to fly to Belfast Intl from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Belfast Intl

Most visitors from Seattle/Tacoma Intl can enter Belfast Intl without restrictions.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Belfast Intl.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Belfast Intl.

Do I need a test to fly back to Seattle from Belfast Intl?

Returning to Seattle/Tacoma Intl from Belfast Intl

COVID-19 testing requirements
Visitors from Belfast Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Belfast Intl are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Belfast Intl (BFS)

Destination information for Belfast Intl

Things to know before you go - useful duration and weather info for your trip from Seattle to Belfast Intl.
Today's exchange rate
$1 = £0.83
Average temperature for July in Belfast Intl
66.2 °F
Avg rainfall for July in Belfast Intl
2.7 ″

Airports servicing Seattle

Airports servicing Belfast