Cheap flights from Belfast to Seattle

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

All the information you need to plan the best BHD to SEA flight in 2021: compare Belfast to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
When is the cheapest time to fly from Belfast to Seattle (BF1 - SEA)?

When flying from Belfast to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Belfast to Seattle in December, January 2022

The best prices found for BHD to SEA flights in December, January
2 Jan - 9 Jan
£889pp
BHD
Belfast City
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
BHD
Belfast City
2 Jan - 9 Jan
£935pp
BHD
Belfast City
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
BHD
Belfast City
2 Jan - 9 Jan
£949pp
BHD
Belfast City
Air France
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air France
 
1 STOP
BHD
Belfast City

Related info for your journey

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

Flight FAQs

From Belfast to Seattle

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

Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Belfast. On average, Seattle/Tacoma Intl has 0 inbound flights from Belfast per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city centre.

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

United Airlines and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Belfast to Seattle for under £600 on Cheapflights?

Yes, there are multiple flights from Belfast to Seattle for under £600. The cheapest flight booked recently is on British Airways for just £573, but on average you can expect to pay £1,070.

What are the cheapest flights from Belfast to Seattle?

Looking for the cheapest flight from Belfast to Seattle? While on average our users pay £573, our data indicates the cheapest price to be £562. The most popular route (Belfast City - Seattle/Tacoma Intl), is priced around £573.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

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

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

Most visitors from Belfast need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Belfast must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

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

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

Returning to Belfast from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Belfast.

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

Hide COVID Travel Restrictions for Seattle, WA

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Belfast to Seattle.
Today's exchange rate
£1 = $1.33
Average temperature for December in Seattle
8.0 °C
Avg rainfall for December in Seattle
135.0 mm

Airports servicing Belfast

Belfast City (BHD)

Airports servicing Seattle

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