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Cheap flights from Seattle to Wales from £209

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
29 Aug — 5 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 30 July 2026.

Sat 10/1015:40
SEA
-
MAN
2 stops24h 00m
Multiple Airlines
Tue 13/1007:30
MAN
-
SEA
3 stops42h 25m
Multiple Airlines
Deal found 28/7£541
Wed 2/923:25
SEA
-
MAN
1 stop28h 15m
Multiple Airlines
Wed 23/918:45
MAN
-
SEA
2 stops32h 00m
Multiple Airlines
Deal found 26/7£549
Tue 15/915:55
SEA
-
MAN
1 stop21h 05m
Multiple Airlines
Tue 22/909:35
MAN
-
SEA
2 stops20h 30m
Multiple Airlines
Deal found 26/7£558
Wed 7/1019:00
SEA
-
MAN
1 stop32h 40m
Multiple Airlines
Sun 18/1019:25
MAN
-
SEA
2 stops55h 01m
Multiple Airlines
Deal found 24/7£572
Mon 26/1015:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Mon 2/1111:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Deal found 26/7£573
Tue 25/815:40
SEA
-
MAN
2 stops13h 45m
Multiple Airlines
Tue 1/907:30
MAN
-
SEA
2 stops21h 10m
Multiple Airlines
Deal found 28/7£578
Wed 7/1019:00
SEA
-
MAN
1 stop32h 40m
Icelandair
Sun 11/1013:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Deal found 26/7£586
Tue 8/915:55
SEA
-
BRS
1 stop15h 25m
Multiple Airlines
Tue 15/907:15
BRS
-
SEA
1 stop14h 30m
Multiple Airlines
Deal found 25/7£604
Sat 22/815:40
SEA
-
BRS
2 stops23h 45m
Multiple Airlines
Sat 29/812:15
BRS
-
SEA
2 stops16h 25m
Multiple Airlines
Deal found 25/7£612
Fri 11/915:55
SEA
-
BRS
1 stop16h 50m
Multiple Airlines
Fri 18/913:45
BRS
-
SEA
2 stops32h 00m
Multiple Airlines
Deal found 28/7£655
Mon 7/919:10
SEA
-
BRS
1 stop29h 45m
Multiple Airlines
Mon 14/920:20
BRS
-
SEA
2 stops30h 25m
Multiple Airlines
Deal found 25/7£690
Wed 9/918:50
SEA
-
BRS
2 stops37h 25m
Multiple Airlines
Wed 16/908:25
BRS
-
SEA
1 stop16h 45m
Multiple Airlines
Deal found 26/7£695

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 30 July 2026.

Round-trip from

£508

One-way from

£209
25/1-8/2
  • 25/1-8/2
  • 4 total stops
  • 47h 57m total
  • Seattle to Wales
Search Deals
11/1
  • 11/1
  • 2 total stops
  • 17h 09m 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 30 July 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

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 7/10

19:00-11:40

1 stop32h 40m

Manchester

Sun 18/10

19:25-18:26

2 stops55h 01m

£572
Fastest return journey

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 2/12

14:35-10:45

1 stop12h 10m

Manchester

Sun 6/12

11:55-17:00

1 stop13h 05m

£604

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 26/10

10:31-09:50

2 stops16h 19m

Manchester

Mon 2/11

16:20-11:25

1 stop27h 05m

£680

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 10/12

14:00-17:00

1 stop19h 00m

Manchester

Sat 12/12

06:10-22:29

2 stops24h 19m

£683

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 22/8

15:40-21:20

2 stops21h 40m

Cardiff Wales

Sat 29/8

07:30-20:40

2 stops21h 10m

£709

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 9/12

07:45-08:40

1 stop16h 55m

Manchester

Sat 12/12

11:30-11:40

2 stops32h 10m

£710

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 7/9

19:10-08:55

1 stop29h 45m

Bristol

Sun 20/9

08:00-09:40

2 stops33h 40m

£714

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 8/9

17:45-16:45

1 stop15h 00m

Manchester

Tue 15/9

05:55-16:35

1 stop18h 40m

£736

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 29/9

18:50-23:15

1 stop20h 25m

Manchester

Sat 10/10

06:05-18:32

2 stops20h 27m

£761

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Wed 9/9

15:40-23:10

2 stops23h 30m

Bristol

Wed 16/9

21:35-16:00

2 stops26h 25m

£775

Flights are sorted by cheapest return flights first.

Deals found on 26/7

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 10m. 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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