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Cheap flights from Seattle to Wales from £156

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
16 Jul — 23 Jul1
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 16 June 2026.

Sat 29/819:00
SEA
-
MAN
2 stops19h 40m
Multiple Airlines
Sun 6/905:45
MAN
-
SEA
3 stops47h 15m
Multiple Airlines
Deal found 11/6£518
Sat 29/819:00
SEA
-
MAN
2 stops20h 40m
Multiple Airlines
Sat 5/910:30
MAN
-
SEA
2 stops18h 10m
Multiple Airlines
Deal found 11/6£555
Sun 6/919:00
SEA
-
MAN
2 stops20h 05m
Multiple Airlines
Wed 16/917:30
MAN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 11/6£563
Mon 26/1015:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Mon 2/1111:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Deal found 10/6£570
Tue 29/919:00
SEA
-
MAN
1 stop32h 40m
Icelandair
Sat 10/1013:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Deal found 11/6£580
Mon 3/815:40
SEA
-
MAN
2 stops22h 40m
Multiple Airlines
Wed 19/807:55
MAN
-
SEA
2 stops35h 50m
Multiple Airlines
Deal found 13/6£586
Tue 29/915:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Sat 10/1010:40
MAN
-
SEA
2 stops35h 05m
Scandinavian Airlines
Deal found 12/6£587
Tue 21/715:40
SEA
-
MAN
2 stops23h 35m
Multiple Airlines
Tue 28/713:40
MAN
-
SEA
2 stops30h 05m
Multiple Airlines
Deal found 13/6£588
Thu 2/719:35
SEA
-
CWL
2 stops30h 40m
WestJet
Thu 9/711:35
CWL
-
SEA
2 stops30h 05m
WestJet
Deal found 11/6£739
Thu 30/719:10
SEA
-
CWL
1 stop19h 10m
Multiple Airlines
Mon 10/822:10
CWL
-
SEA
2 stops29h 15m
Multiple Airlines
Deal found 13/6£758
Tue 28/715:40
SEA
-
BRS
2 stops16h 30m
Multiple Airlines
Tue 4/808:25
BRS
-
SEA
1 stop16h 45m
Multiple Airlines
Deal found 13/6£759
Sun 12/719:10
SEA
-
BRS
1 stop28h 25m
Multiple Airlines
Sun 19/708:00
BRS
-
SEA
2 stops33h 40m
Multiple Airlines
Deal found 12/6£779

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 16 June 2026.

Round-trip from

£518

One-way from

£156
29/8-6/9
  • 29/8-6/9
  • 5 total stops
  • 66h 55m total
  • Seattle to Wales
Search Deals
23/8
  • 23/8
  • 2 total stops
  • 17h 10m 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 16 June 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

Mon 26/10

15:35-10:45

1 stop12h 10m

Manchester

Mon 2/11

11:55-17:00

1 stop13h 05m

£570

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 11/10

22:58-10:25

2 stops27h 27m

Manchester

Wed 14/10

09:00-14:53

2 stops37h 53m

£592

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 15/8

23:25-11:40

1 stop28h 15m

Manchester

Fri 21/8

13:05-20:40

1 stop15h 35m

£674

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 26/10

14:12-14:00

2 stops16h 48m

Manchester

Mon 2/11

20:05-11:30

1 stop23h 25m

£675

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 26/10

15:35-10:45

1 stop12h 10m

Manchester

Sun 1/11

11:55-17:00

1 stop13h 05m

£676

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 11/10

13:30-09:55

1 stop12h 25m

Manchester

Wed 14/10

07:05-11:35

1 stop12h 30m

£680

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 26/10

19:05-07:40

2 stops53h 35m

Manchester

Sun 1/11

06:25-19:22

2 stops19h 57m

£714

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Thu 2/7

19:35-10:15

2 stops30h 40m

Cardiff Wales

Thu 9/7

11:35-09:40

3 stops30h 05m

£742
Fastest return journey

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 1/9

15:40-11:40

1 stop12h 00m

Manchester

Wed 9/9

13:05-17:55

1 stop12h 50m

£751

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 27/7

07:20-10:10

2 stops18h 50m

Manchester

Tue 11/8

14:55-11:15

1 stop28h 20m

£760

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 31 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 - Cardiff Wales or Seattle/Tacoma Intl - Bristol 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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