Cheap flights from Seattle to Belfast from £207

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3 stops
Mon, Jul 28
Seattle SEABelfast BFS

£207
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2 stops
Thu, Jul 31
Seattle SEABelfast BFS

£217
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3 stops
Mon, Jul 28
Seattle SEABelfast BHD

£227
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3 stops
Mon, Jul 28
Seattle SEABelfast BHD

£230
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3 stops
Mon, Jul 28
Seattle SEABelfast BHD

£237
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2 stops
Mon, Jul 28
Seattle SEABelfast BFS

£288
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Prices updated:

2 stops
Thu, Jul 31 – Wed, Aug 6
Seattle SEABelfast BFS

£741
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2 stops
Thu, Jul 31 – Wed, Aug 6
Seattle SEABelfast BFS

£742
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2 stops
Thu, Jul 31 – Tue, Aug 5
Seattle SEABelfast BFS

£751
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2 stops
Thu, Jul 31 – Tue, Aug 5
Seattle SEABelfast BFS

£751
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2 stops
Thu, Jul 31 – Wed, Aug 6
Seattle SEABelfast BFS

£755
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2 stops
Thu, Jul 31 – Tue, Aug 5
Seattle SEABelfast BFS

£767
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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
IcelandairICEFINo
Aer LingusEINEINo
KLM Royal Dutch AirlinesKLMKLNo

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
256
days per year
Snow days
2
days per year

14 day forecast

Sunday
6 Jul
88%
18°C11°C
13 Jul
67%
21°C13°C
Monday
7 Jul
18°C10°C
14 Jul
86%
19°C13°C
Tuesday
8 Jul
84%
20°C9°C
15 Jul
88%
20°C11°C
Wednesday
9 Jul
21°C9°C
16 Jul
17°C8°C
Thursday
10 Jul
22°C11°C
17 Jul
76%
19°C12°C
Friday
11 Jul
23°C11°C
18 Jul
87%
21°C14°C
Saturday
12 Jul
22°C14°C
19 Jul
86%
19°C13°C
Travelers usually depart from Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base 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, Icelandair, Aer Lingus, and KLM Royal Dutch Airlines. 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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