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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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
9 Jun — 16 Jun1
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 10 May 2026.

Tue 7/708:00
SEA
-
MAN
2 stops16h 40m
Multiple Airlines
Thu 30/720:55
MAN
-
SEA
2 stops32h 12m
Multiple Airlines
Deal found 6/5£571
Sun 20/923:00
SEA
-
MAN
2 stops27h 25m
United Airlines
Wed 23/909:00
MAN
-
SEA
2 stops41h 21m
United Airlines
Deal found 7/5£584
Mon 26/1015:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Mon 2/1111:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Deal found 6/5£605
Sun 6/917:00
SEA
-
MAN
2 stops40h 10m
United Airlines
Wed 9/909:00
MAN
-
SEA
1 stop20h 04m
United Airlines
Deal found 5/5£609
Tue 29/915:55
SEA
-
MAN
2 stops20h 35m
Scandinavian Airlines
Sat 10/1010:40
MAN
-
SEA
2 stops35h 05m
Scandinavian Airlines
Deal found 7/5£609
Tue 29/919:00
SEA
-
MAN
1 stop32h 40m
Icelandair
Sat 10/1013:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Deal found 7/5£615
Sun 21/615:40
SEA
-
BRS
2 stops22h 50m
Multiple Airlines
Sun 28/618:55
BRS
-
SEA
2 stops24h 50m
Multiple Airlines
Deal found 7/5£758
Mon 10/807:15
SEA
-
CWL
2 stops18h 00m
Delta
Fri 21/809:45
CWL
-
SEA
1 stop14h 42m
Delta
Deal found 6/5£769
Mon 10/807:00
SEA
-
CWL
2 stops19h 15m
Multiple Airlines
Mon 17/822:10
CWL
-
SEA
3 stops30h 50m
Multiple Airlines
Deal found 6/5£785
Mon 10/823:13
SEA
-
CWL
2 stops26h 02m
Virgin Atlantic
Mon 17/817:15
CWL
-
SEA
2 stops36h 50m
Virgin Atlantic
Deal found 6/5£789
Sun 13/913:50
SEA
-
BRS
1 stop35h 00m
KLM
Sun 27/917:35
BRS
-
SEA
1 stop31h 00m
KLM
Deal found 7/5£807
Sun 13/913:50
SEA
-
BRS
1 stop15h 25m
Delta
Sun 27/906:15
BRS
-
SEA
2 stops20h 50m
Delta
Deal found 7/5£816

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 10 May 2026.

Round-trip from

£571

One-way from

£209
7/7-30/7
  • 7/7-30/7
  • 4 total stops
  • 48h 52m total
  • Seattle to Wales
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 53h 20m 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 10 May 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

Sun 20/9

23:00-10:25

2 stops27h 25m

Manchester

Wed 23/9

09:00-18:21

2 stops41h 21m

£584
Fastest return journey

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 20/9

13:30-09:55

1 stop12h 25m

Manchester

Wed 23/9

07:05-11:35

1 stop12h 30m

£673

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 8/8

17:15-17:20

2 stops40h 05m

Manchester

Wed 19/8

09:00-21:07

1 stop20h 07m

£697

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 7/8

18:40-16:55

1 stop14h 15m

Manchester

Wed 19/8

08:55-21:48

2 stops20h 53m

£719

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 21/6

15:40-22:30

2 stops22h 50m

Bristol

Sun 28/6

18:55-11:45

2 stops24h 50m

£758

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 13/9

13:50-08:50

1 stop35h 00m

Bristol

Sun 27/9

17:35-16:35

1 stop31h 00m

£807

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 13/9

13:50-13:15

1 stop15h 25m

Bristol

Sun 27/9

10:50-00:01

2 stops21h 11m

£816

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 8/8

13:50-16:45

1 stop18h 55m

Cardiff Wales

Sun 16/8

09:50-11:37

1 stop33h 47m

£859

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Mon 10/8

05:45-10:15

3 stops20h 30m

Cardiff Wales

Mon 17/8

22:10-21:00

3 stops30h 50m

£887

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 2/6

10:30-10:15

2 stops39h 45m

Cardiff Wales

Sat 6/6

11:35-09:40

2 stops30h 05m

£898

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 27 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 15h 25m. The distance from Seattle to Wales is about 4727 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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