Cheap flights from Seattle to Belfast from £236

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3 stops
Thu, Nov 6
Seattle SEABelfast BFS

£236
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2 stops
Tue, Nov 4
Seattle SEABelfast BFS

£256
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2 stops
Tue, Nov 4
Seattle SEABelfast BFS

£262
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2 stops
Tue, Nov 4
Seattle SEABelfast BFS

£340
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2 stops
Wed, Nov 5
Seattle SEABelfast BFS

£340
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2 stops
Wed, Nov 5
Seattle SEABelfast BHD

£354
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Prices updated:

2 stops
Fri, Nov 7 – Tue, Nov 11
Seattle SEABelfast BFS

£498
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2 stops
Mon, Nov 3 – Sat, Nov 8
Seattle SEABelfast BFS

£520
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2 stops
Thu, Nov 6 – Tue, Nov 11
Seattle SEABelfast BFS

£524
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2 stops
Sat, Nov 8 – Thu, Nov 13
Seattle SEABelfast BFS

£527
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2 stops
Fri, Nov 7 – Wed, Nov 12
Seattle SEABelfast BFS

£535
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2 stops
Thu, Nov 6 – Tue, Nov 11
Seattle SEABelfast BHD

£542
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Prices updated:

How much do flights to Belfast cost?

Key info about flying to Belfast

Depart from
Seattle–Tacoma International
Arrive to
Belfast International
Average flights per week
400
Flight distance
Worth visiting
Bru Na Boinne Neolithic Site (County Meath, Ireland) - Trinity College, Dublin - Giant's Causeway

Check-in for a flight from Seattle to Belfast

NameCarrier codeIATA CodePassport needed during booking
easyJetEZYU2Yes
RyanairRYRFRNo
Aer LingusEINEINo
Hawaiian AirlinesHALHANo
JetBlue AirwaysJBUB6No

Weather in Belfast

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January6°C2°C
February7°C3°C
March9°C3°C
April11°C4°C
May13°C7°C
June16°C9°C
July17°C11°C
August17°C11°C
September15°C10°C
October12°C8°C
November9°C5°C
December7°C3°C
Hottest Month
17°C
July
Coldest month
2°C
January
Sunny days
259
days per year
Snow days
2
days per year

14 day forecast

Sunday
12 Oct
15°C6°C
19 Oct
85%
15°C11°C
Monday
13 Oct
16°C8°C
20 Oct
89%
13°C9°C
Tuesday
14 Oct
17°C9°C
21 Oct
89%
13°C10°C
Wednesday
15 Oct
16°C8°C
22 Oct
12°C8°C
Thursday
16 Oct
14°C7°C
23 Oct
85%
11°C6°C
Friday
17 Oct
13°C8°C
24 Oct
89%
11°C6°C
Saturday
18 Oct
71%
13°C10°C
25 Oct
12°C5°C
Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field when they travel from Seattle to Belfast. Book your trip to arrive at Belfast International, or George Best Belfast City. The most popular airlines for this route are easyJet, Ryanair, Aer Lingus, Hawaiian Airlines, and JetBlue Airways. Seattle and Belfast have 400 direct flights per week. When you arrive at Belfast, consider visiting Bru Na Boinne Neolithic Site (County Meath, Ireland), Trinity College, Dublin, and Giant's Causeway.

Frequently asked questions

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What time do flights between Seattle and Belfast arrive?

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