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Cheap flights from Seattle to Wales from £219

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
19 Jun — 26 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 20 May 2026.

Wed 4/1114:35
SEA
-
MAN
1 stop14h 10m
Multiple Airlines
Tue 10/1111:55
MAN
-
SEA
1 stop13h 05m
Multiple Airlines
Deal found 19/5£559
Fri 5/619:00
SEA
-
MAN
3 stops19h 50m
Multiple Airlines
Sun 14/609:30
MAN
-
SEA
3 stops45h 10m
Multiple Airlines
Deal found 15/5£562
Wed 4/1114:35
SEA
-
MAN
1 stop14h 10m
Multiple Airlines
Sun 8/1111:55
MAN
-
SEA
1 stop13h 05m
Multiple Airlines
Deal found 19/5£572
Thu 12/1114:35
SEA
-
MAN
1 stop13h 55m
Multiple Airlines
Thu 26/1106:20
MAN
-
SEA
1 stop18h 40m
Multiple Airlines
Deal found 19/5£574
Sun 23/815:40
SEA
-
MAN
1 stop12h 00m
Multiple Airlines
Sun 30/819:20
MAN
-
SEA
2 stops28h 40m
Multiple Airlines
Deal found 15/5£577
Tue 24/1107:55
SEA
-
MAN
2 stops15h 40m
Multiple Airlines
Tue 1/1211:55
MAN
-
SEA
1 stop13h 05m
Multiple Airlines
Deal found 19/5£586
Tue 24/1107:55
SEA
-
MAN
2 stops15h 40m
Multiple Airlines
Mon 30/1111:55
MAN
-
SEA
1 stop13h 05m
Multiple Airlines
Deal found 19/5£586
Mon 3/815:40
SEA
-
MAN
2 stops18h 40m
Multiple Airlines
Sun 23/820:35
MAN
-
SEA
3 stops45h 05m
Multiple Airlines
Deal found 17/5£588
Tue 29/915:55
SEA
-
MAN
1 stop33h 00m
Scandinavian Airlines
Sat 10/1020:10
MAN
-
SEA
1 stop25h 35m
Scandinavian Airlines
Deal found 20/5£589
Sat 7/1114:35
SEA
-
MAN
1 stop13h 40m
Multiple Airlines
Sat 21/1111:55
MAN
-
SEA
1 stop13h 05m
Multiple Airlines
Deal found 19/5£592
Sun 18/1022:58
SEA
-
MAN
2 stops27h 27m
United Airlines
Wed 21/1009:00
MAN
-
SEA
2 stops39h 06m
United Airlines
Deal found 17/5£594
Wed 25/1114:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Wed 2/1211:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Deal found 19/5£595

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 20 May 2026.

Round-trip from

£559

One-way from

£219
Icelandair
  • Icelandair
  • 4/11-10/11
  • 2 total stops
  • 27h 15m total
  • Seattle to Wales
Search Deals
11/9
  • 11/9
  • 2 total stops
  • 52h 50m 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 20 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 18/10

22:58-10:25

2 stops27h 27m

Manchester

Wed 21/10

09:00-21:04

1 stop20h 04m

£603

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 18/10

20:20-19:20

1 stop15h 00m

Manchester

Wed 21/10

09:20-11:35

1 stop34h 15m

£683

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 26/8

14:10-17:35

1 stop19h 25m

Manchester

Wed 2/9

09:00-21:07

1 stop20h 07m

£697

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 8/8

23:11-17:20

2 stops34h 09m

Manchester

Wed 19/8

09:00-21:07

1 stop20h 07m

£739
Fastest return journey

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 29/10

14:25-11:00

1 stop13h 35m

Manchester

Sun 8/11

09:40-16:55

1 stop15h 15m

£747

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 7/9

23:25-15:20

2 stops31h 55m

Bristol

Mon 28/9

12:25-17:10

1 stop12h 45m

£760

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 27/7

07:29-10:05

2 stops18h 36m

Manchester

Tue 11/8

14:55-11:15

1 stop28h 20m

£761

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sat 8/8

19:10-08:30

1 stop29h 20m

Bristol

Sat 22/8

22:20-18:45

2 stops28h 25m

£780

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 7/9

17:40-17:00

1 stop15h 20m

Bristol

Mon 28/9

09:20-11:47

1 stop34h 27m

£782

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

£820

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 30 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 25m. 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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