Cheap flight from Seattle to Belfast from $429
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Flights from Seattle to Belfast
Cheap flight deals from Seattle to Belfast
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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SEA 1:30 PM13h 5m1 stopsBHD 10:35 AMSeattle - Belfast | Tue, May 6 | British Airways
BHD 6:35 AM12h 35m1 stopsSEA 11:10 AMBelfast - Seattle | Tue, May 13 | British Airways$767 $85210% OFF10% OFF$852 $767 -
SEA 8:20 PM18h 50m1 stopsBFS 11:10 PMSeattle - Belfast | Tue, May 6 | Virgin Atlantic
BFS 6:45 AM20h 55m1 stopsSEA 7:40 PMBelfast - Seattle | Tue, May 13 | easyJet$769 $85210% OFF10% OFF$852 $769 -
SEA 8:20 PM18h 5m1 stopsBFS 10:25 PMSeattle - Belfast | Sun, May 4 | Virgin Atlantic
BFS 7:00 AM21h 50m1 stopsSEA 8:50 PMBelfast - Seattle | Sun, May 11 | easyJet$775 $8529% OFF9% OFF$852 $775
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SEA 1:30 PM15h 25m1 stopsBHD 12:55 PMSeattle - Belfast | Mon, May 5 | British Airways
BHD 6:30 PM24h 40m1 stopsSEA 11:10 AMBelfast - Seattle | Mon, May 12 | British Airways$7789% OFF$852 $778
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SEA 5:35 PM18h 50m1 stopsBHD 8:25 PMSeattle - Belfast | Mon, May 5 | Virgin Atlantic
BFS 7:10 PM28h 35m1 stopsSEA 3:45 PMBelfast - Seattle | Mon, May 12 | easyJet$7897% OFF$852 $789
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SEA 5:35 PM20h 50m1 stopsBFS 10:25 PMSeattle - Belfast | Sun, May 4 | Air France
BFS 7:00 AM21h 50m1 stopsSEA 8:50 PMBelfast - Seattle | Sun, May 11 | easyJet$7907% OFF$852 $790 -
SEA 8:20 PM15h 5m1 stopsBHD 7:25 PMSeattle - Belfast | Tue, May 13 | British Airways
BHD 6:35 AM12h 35m1 stopsSEA 11:10 AMBelfast - Seattle | Tue, May 20 | British Airways$7937% OFF$852 $793
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SEA 5:35 PM20h 50m1 stopsBFS 10:25 PMSeattle - Belfast | Sun, May 4 | KLM
BFS 7:00 AM21h 50m1 stopsSEA 8:50 PMBelfast - Seattle | Sun, May 11 | easyJet$7986% OFF$852 $798 -
SEA 1:30 PM13h 5m1 stopsBHD 10:35 AMSeattle - Belfast | Tue, May 20 | British Airways
BHD 6:35 AM12h 35m1 stopsSEA 11:10 AMBelfast - Seattle | Tue, May 27 | British Airways$8016% OFF$852 $801
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SEA 6:10 PM19h 5m1 stopsBHD 9:15 PMSeattle - Belfast | Sun, May 4 | Delta Air Lines
BHD 6:30 AM13h 10m1 stopsSEA 11:40 AMBelfast - Seattle | Sun, May 11 | Delta Air Lines$8016% OFF$852 $801 -
SEA 1:00 PM17h 25m1 stopsBFS Invalid DateSeattle - Belfast | Tue, May 6 | Normal Airline
BFS 3:00 PM6hNonstopSEA 4:00 PMBelfast - Seattle | Thu, May 8 | Normal AirlineFind More FlightsFind More Flights
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SEA 5:35 PM31h 25m1 stopsBFS 9:00 AMSeattle - Belfast | Tue, May 13 | Virgin Atlantic$429 $58026% OFF26% OFF$580 $429
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SEA 5:35 PM21h 25m1 stopsBFS 11:00 PMSeattle - Belfast | Mon, May 12 | Virgin Atlantic$434 $58025% OFF25% OFF$580 $434
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SEA 5:35 PM21h 25m1 stopsBFS 11:00 PMSeattle - Belfast | Mon, May 12 | Air France$449 $58023% OFF23% OFF$580 $449
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SEA 5:35 PM21h 25m1 stopsBFS 11:00 PMSeattle - Belfast | Mon, May 12 | KLM$44923% OFF$580 $449
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SEA 1:30 PM25h 30m1 stopsBFS 11:00 PMSeattle - Belfast | Mon, May 5 | British Airways$46520% OFF$580 $465
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SEA 8:20 PM28h 40m1 stopsBFS 9:00 AMSeattle - Belfast | Tue, May 13 | Iberia$46919% OFF$580 $469 -
SEA 1:30 PM25h 30m1 stopsBFS 11:00 PMSeattle - Belfast | Mon, May 12 | Iberia$47318% OFF$580 $473
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SEA 5:35 PM21h 35m1 stopsBFS 11:10 PMSeattle - Belfast | Tue, May 13 | Air France$48017% OFF$580 $480
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SEA 5:35 PM21h 35m1 stopsBFS 11:10 PMSeattle - Belfast | Tue, May 13 | KLM$48017% OFF$580 $480
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SEA 8:20 PM30h 5m1 stopsBFS 10:25 AMSeattle - Belfast | Sun, May 11 | Virgin Atlantic$5456% OFF$580 $545
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SEA 1:00 PM17h 25m1 stopsBFS Invalid DateSeattle - Belfast | Tue, May 6 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Seattle to Belfast
| Cheapest one-way flight price | $429 |
|---|---|
| Off-season for travel | April |
| Peak season for travel | May |
| Flight distance | 7,202.3 km |
| Popular airline | Virgin Atlantic |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Seattle (SEA) to Belfast (BFS) the cheapest?
Airlines adjust prices for flights from Seattle to Belfast based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Seattle (SEA) to Belfast (BFS) cost?
According to Trip.com's data, the lowest price is around $1,070.
How to find a cheap flight from Seattle to Belfast
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Belfast. Book your flights at the right time and save more.
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