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Cheap flights from Seattle to Wales from £118

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Wales

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Wales
Explore the most affordable flight options available from Seattle to Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2026.

Thu 12/1108:19 -
2 stops15h 16m
Tue 24/1110:00 -
2 stops17h 47m
Deal found 12/8£466
Sat 7/1113:50 -
2 stops24h 40m
Sun 15/1107:00 -
3 stops22h 57m
Deal found 10/8£506
Mon 26/1015:35 -
1 stop12h 10m
Mon 2/1111:55 -
1 stop13h 05m
Deal found 10/8£566
Sat 17/1015:40 -
1 stop12h 00m
Sat 31/1011:55 -
1 stop13h 05m
Deal found 9/8£575
Sun 13/915:40 -
1 stop12h 00m
Fri 2/1013:05 -
1 stop12h 50m
Deal found 12/8£577
Wed 2/1214:35 -
1 stop12h 10m
Tue 15/1211:55 -
1 stop13h 05m
Deal found 10/8£580
Sun 13/1214:35 -
1 stop12h 10m
Fri 25/1211:35 -
1 stop13h 25m
Deal found 11/8£582
Tue 13/1019:00 -
1 stop32h 40m
Thu 22/1013:05 -
1 stop12h 50m
Deal found 8/8£583
Fri 25/919:00 -
1 stop32h 40m
Thu 8/1013:05 -
1 stop12h 50m
Deal found 12/8£583
Mon 26/1015:35 -
1 stop12h 10m
Sun 1/1111:55 -
1 stop13h 05m
Deal found 11/8£589
Tue 22/921:30 -
2 stops41h 25m
Tue 29/907:15 -
1 stop14h 30m
Deal found 11/8£615
Sat 5/919:10 -
1 stop18h 10m
Sat 12/911:35 -
2 stops30h 05m
Deal found 10/8£815

Find flight deals from Seattle to Wales

Keep the following information in mind while searching for Seattle to Wales flight deals. Data was last updated 13 August 2026.

Round-trip from

£466

One-way from

£118
12/11-24/11
  • 12/11-24/11
  • 4 total stops
  • 33h 03m total
  • Seattle to Wales
Search Deals
24/11
  • 24/11
  • 2 total stops
  • 15h 04m total
  • Seattle to Wales
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Wales that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Seattle to Wales that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sun 6/9

15:40-11:40

1 stop12h 00m

Manchester

Wed 7/10

13:05-17:55

1 stop12h 50m

£669

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Mon 11/1

18:45-16:30

1 stop13h 45m

Manchester

Thu 14/1

16:10-16:50

1 stop32h 40m

£675

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Tue 24/11

07:30-11:20

2 stops19h 50m

Manchester

Mon 30/11

19:05-20:08

2 stops33h 03m

£694

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Tue 24/11

18:45-16:30

1 stop13h 45m

Manchester

Mon 30/11

16:20-16:50

1 stop32h 30m

£698

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Mon 24/8

05:50-18:00

3 stops28h 10m

Manchester

Sat 5/9

06:50-18:45

3 stops43h 55m

£707

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Mon 21/9

13:50-22:00

1 stop24h 10m

Manchester

Tue 6/10

11:00-16:35

1 stop13h 35m

£728

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Tue 22/9

11:50-14:00

2 stops18h 10m

Manchester

Sun 27/9

09:00-16:35

1 stop15h 35m

£765

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Fri 11/9

07:15-10:10

2 stops18h 55m

Manchester

Tue 6/10

08:55-16:35

1 stop15h 40m

£768

SeattleBristol

SEA Seattle/Tacoma Intl - BRS Bristol

SEABRS

Seattle/Tacoma Intl

Tue 22/9

05:50-20:30

3 stops30h 40m

Bristol

Tue 29/9

18:20-14:22

3 stops28h 02m

£777

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Sat 5/9

19:10-21:20

1 stop18h 10m

Cardiff Wales

Sat 12/9

11:35-09:40

2 stops30h 05m

£815

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Wales

Have a flexible travel schedule? Discover the best time to fly to Wales from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Wales

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Wales. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Wales?

    For a flight from Seattle to Wales, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How long is the flight from Seattle to Wales?

    Departing from Seattle to Wales will take you 12h. The distance from Seattle to Wales is about 4633 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Seattle to Wales?

    When deciding which route to take from Seattle to Wales consider Seattle/Tacoma Intl - Manchester, Seattle/Tacoma Intl - Bristol or Seattle/Tacoma Intl - Cardiff Wales as they are the most popular.

  • Can I find deals for flights from Seattle to Wales that include hotel bookings?

    Yes. In addition to deals on Seattle to Wales flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Wales?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Wales.

  • Can I find deals for business class flights from Seattle to Wales?

    Yes. Cheapflights offers flight deals from Seattle to Wales by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Seattle to Wales?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Wales. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Wales?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Wales from Seattle.

Can Cheapflights find flights from Seattle to Wales with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Wales, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Wales become cheaper?

Yes! Start tracking prices for Seattle to Wales flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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