Title: CA $590 Cheap Aer Lingus fights from Seattle to Southampton - Expedia.ca

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# CA $590 Cheap Aer Lingus fights from Seattle (SEA) to Southampton (SOU)

[View CA $590 flight on Sun, May 10, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:SOU,departure:10/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:589.01&airProductToken=AQqQAQo2CMWSARIENzYwMBiSASCuHCjIzowDML3QjAM4T0AAWAFyCE9MWDlDOU01egoIwYIBEgQ3NjAwCikIxZIBEgMxMjIYrhwggw0o3dGMAzCa1YwDOE9AAVgBcghPTFg5QzlNNQorCMWSARIEMzMwMBiDDSDSowEoiNaMAzDs1owDOEZAAVgBcghPTFg5QzlNNRIKCAEQARgBKgJFSRgBIgQIARABKAIoAygEMAE) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

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## Aer Lingus flights from Seattle to Southampton (SEA→SOU)

Prices were available within the past 7 days and start at CA $590 for one-way flights and CA $1,303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)

Sun, May 31 - Sun, Jun 7

SEA

Seattle

SOU

Southampton

CA $1,303

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SOU,departure:31/05/2026TANYT&leg2=from:SOU,to:SEA,departure:07/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1303.00&airProductToken=AQprCi4IxZIBEgI1MhiSASCDDSipwI4DMMXEjgM4T0AAWAFqBFNBVlJyCE9LWDhGN0JWCjkIxZIBEgQzMzA0GIMNINKjASj5xY4DMOfGjgM4RkAAWAFqBFNBVlJyBEZTWDF6CgjFggESBDMzMDQKawo5CMWSARIEMzMwMRjSowEggw0o6oaPAzDOh48DOFRAAFgBagRTQVZScgRUU1cxegoIxYIBEgQzMzAxCi4IxZIBEgI1MxiDDSCSASjciY8DMJ-OjwM4T0AAWAFqBFNBVlJyCE9LVzhGN0JWEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ)

![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)

Sun, May 10 - Sun, May 17

SEA

Seattle

SOU

Southampton

CA $1,503

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SOU,departure:10/05/2026TANYT&leg2=from:SOU,to:SEA,departure:17/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1502.55&airProductToken=AQprCi4IxZIBEgI1MhiSASCDDSiJ1IwDMKXYjAM4TkAAWAFqBFNBVlJyCE5MWDdDMEJWCjkIxZIBEgQzMzA0GIMNINKjASjZ2YwDMMfajAM4RkAAWAFqBFNBVlJyBEZTWDF6CgjFggESBDMzMDQKawo5CMWSARIEMzMwMRjSowEggw0oypqNAzCum40DOE5AAFgBagRTQVZScgROU1cxegoIxYIBEgQzMzAxCi4IxZIBEgI1MxiDDSCSASi8nY0DMP-hjQM4T0AAWAFqBFNBVlJyCE9LVzhGN0JWEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ)

![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)

Sun, May 10 - Sun, May 17

SEA

Seattle

SOU

Southampton

CA $1,513

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SOU,departure:10/05/2026TANYT&leg2=from:SOU,to:SEA,departure:17/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1512.51&airProductToken=AQqQAQo2CMWSARIENzYwMBiSASCuHCjIzowDML3QjAM4T0AAWAFyCE9MWDlDOU01egoIwYIBEgQ3NjAwCikIxZIBEgMxMjIYrhwggw0o3dGMAzCa1YwDOE9AAVgBcghPTFg5QzlNNQorCMWSARIEMzMwMBiDDSDSowEoiNaMAzDs1owDOEZAAVgBcghPTFg5QzlNNQqCAQoqCMyaARIDMzI4GNKjASDkQCiBoI0DMOqgjQM4WkAAWAFyCE9MWDlDOU01CioIxZIBEgQzNTU3GORAIIMNKOCqjQMwq6uNAzhBQAFYAXIIT0xYOUM5TTUKKAjFkgESAjUzGIMNIJIBKPyzjQMwv7iNAzhPQAFYAXIIT0xYOUM5TTUSCggBEAEYASoCRUkYASIECAEQASgCKAMoBDAB)

![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)

Sun, May 10 - Sun, May 17

SEA

Seattle

SOU

Southampton

CA $1,521

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SOU,departure:10/05/2026TANYT&leg2=from:SOU,to:SEA,departure:17/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1520.21&airProductToken=AQqRAQo2CMWSARIENTI2ORiSASDBkwEo1tCMAzCl04wDOE9AAFgBcghPTFg5QzlNNXoJCMJsEgQ1MjY5CioIxZIBEgMxMzIYwZMBIIMNKKrdjAMwkuCMAzhPQAFYAXIIT0xYOUM5TTUKKwjFkgESBDMzMDAYgw0g0qMBKKjhjAMwjOKMAzhGQAFYAXIIT0xYOUM5TTUKggEKKgjMmgESAzMyOBjSowEg5EAogaCNAzDqoI0DOFpAAFgBcghPTFg5QzlNNQoqCMWSARIEMzU1NxjkQCCDDSjgqo0DMKurjQM4QUABWAFyCE9MWDlDOU01CigIxZIBEgI1MxiDDSCSASj8s40DML-4jQM4T0ABWAFyCE9MWDlDOU01EgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwAQ)

![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)

Sun, May 10 - Sun, May 17

SEA

Seattle

SOU

Southampton

CA $1,524

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SOU,departure:10/05/2026TANYT&leg2=from:SOU,to:SEA,departure:17/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1523.49&airProductToken=AQprCi4IxZIBEgI1MhiSASCDDSiJ1IwDMKXYjAM4TkAAWAFqBFNBVlJyCE5MWDdDMEJWCjkIxZIBEgQzMzA4GIMNINKjASiS24wDMPbbjAM4VEAAWAFqBFNBVlJyBFRTWDF6CgjFggESBDMzMDgKawo5CMWSARIEMzMwMRjSowEggw0oypqNAzCum40DOE5AAFgBagRTQVZScgROU1cxegoIxYIBEgQzMzAxCi4IxZIBEgI1MxiDDSCSASi8nY0DMP-hjQM4T0AAWAFqBFNBVlJyCE9LVzhGN0JWEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ)

![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif)

Sun, May 10 - Sun, May 17

SEA

Seattle

SOU

Southampton

CA $1,524

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SOU,departure:10/05/2026TANYT&leg2=from:SOU,to:SEA,departure:17/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1523.61&airProductToken=AQqQAQo2CMWSARIENzYwMBiSASCuHCjIzowDML3QjAM4T0AAWAFyCE9MWDlDOU01egoIwYIBEgQ3NjAwCikIxZIBEgMxMjIYrhwggw0o3dGMAzCa1YwDOE9AAVgBcghPTFg5QzlNNQorCMWSARIEMzMwMBiDDSDSowEoiNaMAzDs1owDOEZAAVgBcghPTFg5QzlNNQpXCisIxZIBEgQzMzAxGNKjASCDDSjKmo0DMK6bjQM4TkAAWAFyCE9MVzlDOU01CigIxZIBEgI1MxiDDSCSASi8nY0DMP-hjQM4T0ABWAFyCE9MVzlDOU01EgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwAQ)

__Flight from Seattle to Southampton (SEA - SOU) route information__
| Origin airport      | Seattle - Tacoma Intl. |
| ------------------- | ---------------------- |
| Destination airport | Southampton            |
| Distance            | 7663 km                |

## Frequently asked questions

### How much is an Aer Lingus flight from Seattle - Tacoma Intl. Airport (SEA) to Southampton Airport (SOU)?

### What is the cheapest month to fly from SEA to SOU with Aer Lingus?

### Does Aer Lingus fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Southampton Airport (SOU)?

### What airports does Aer Lingus fly into in Southampton?

### What kind of luggage can I take on an Aer Lingus flight from Seattle - Tacoma Intl. Airport (SEA) to Southampton Airport (SOU)?

### Can I change or cancel my Aer Lingus flight from Seattle - Tacoma Intl. Airport (SEA) to Southampton Airport (SOU)?

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