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Cheap flights from Seattle to Wales from £169

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
31 Jul — 7 Aug1
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 1 July 2026.

Mon 17/819:00
SEA
-
MAN
3 stops33h 05m
Multiple Airlines
Thu 27/819:25
MAN
-
SEA
2 stops33h 15m
Multiple Airlines
Deal found 29/6£488
Wed 19/808:00
SEA
-
MAN
2 stops31h 45m
Multiple Airlines
Mon 24/820:25
MAN
-
SEA
3 stops32h 42m
Multiple Airlines
Deal found 29/6£502
Tue 1/915:55
SEA
-
MAN
2 stops22h 05m
Multiple Airlines
Thu 10/917:10
MAN
-
SEA
3 stops28h 35m
Multiple Airlines
Deal found 27/6£548
Sat 29/819:00
SEA
-
MAN
3 stops34h 00m
Multiple Airlines
Sun 6/905:45
MAN
-
SEA
3 stops45h 00m
Multiple Airlines
Deal found 28/6£551
Mon 7/915:40
SEA
-
MAN
2 stops23h 35m
Multiple Airlines
Mon 21/918:10
MAN
-
SEA
3 stops47h 30m
Multiple Airlines
Deal found 28/6£557
Mon 14/919:00
SEA
-
MAN
3 stops34h 55m
Multiple Airlines
Mon 21/920:25
MAN
-
SEA
3 stops32h 15m
Multiple Airlines
Deal found 30/6£560
Fri 13/1114:35
SEA
-
BRS
2 stops35h 55m
Multiple Airlines
Mon 30/1112:25
BRS
-
SEA
1 stop13h 55m
Multiple Airlines
Deal found 26/6£621
Mon 17/808:00
SEA
-
BRS
3 stops30h 05m
Multiple Airlines
Wed 2/917:30
BRS
-
SEA
3 stops35h 37m
Multiple Airlines
Deal found 1/7£631
Mon 17/819:10
SEA
-
BRS
1 stop12h 50m
Aer Lingus
Wed 2/908:25
BRS
-
SEA
1 stop16h 45m
Aer Lingus
Deal found 1/7£644
Mon 10/819:10
SEA
-
BRS
1 stop17h 20m
Multiple Airlines
Mon 17/814:40
BRS
-
SEA
2 stops36h 45m
Multiple Airlines
Deal found 26/6£688
Mon 17/815:40
SEA
-
CWL
3 stops23h 10m
Multiple Airlines
Mon 24/822:10
CWL
-
SEA
3 stops43h 57m
Multiple Airlines
Deal found 27/6£707
Sat 15/810:40
SEA
-
BRS
3 stops27h 50m
Multiple Airlines
Sat 22/807:45
BRS
-
SEA
3 stops42h 47m
Multiple Airlines
Deal found 1/7£721

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 1 July 2026.

Round-trip from

£488

One-way from

£169
17/8-27/8
  • 17/8-27/8
  • 5 total stops
  • 66h 20m total
  • Seattle to Wales
Search Deals
11/7
  • 11/7
  • 2 total stops
  • 37h 00m 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 1 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 19/8

08:00-23:45

2 stops31h 45m

Manchester

Mon 24/8

20:25-21:07

3 stops32h 42m

£514

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 4/9

15:55-11:45

2 stops35h 50m

Manchester

Sat 12/9

09:35-13:45

1 stop12h 10m

£606

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 19/8

19:00-11:40

1 stop32h 40m

Manchester

Mon 24/8

13:05-11:45

1 stop30h 40m

£649

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 1/9

15:55-18:30

1 stop18h 35m

Manchester

Thu 10/9

21:10-13:45

2 stops24h 35m

£668

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 5/9

15:55-19:30

2 stops19h 35m

Manchester

Fri 18/9

10:20-13:45

2 stops35h 25m

£675

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 10/8

19:10-20:30

1 stop17h 20m

Bristol

Mon 17/8

14:40-19:25

2 stops36h 45m

£688

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Fri 13/11

20:05-09:55

1 stop29h 50m

Bristol

Mon 30/11

12:25-18:20

1 stop13h 55m

£694

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 15/10

08:00-06:30

1 stop14h 30m

Manchester

Wed 21/10

09:00-12:48

2 stops35h 48m

£720

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 17/8

23:25-09:40

2 stops26h 15m

Bristol

Wed 2/9

08:25-17:10

1 stop16h 45m

£720
Fastest return journey

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 22/8

15:40-11:40

1 stop12h 00m

Manchester

Wed 26/8

13:05-20:40

1 stop15h 35m

£733

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Showing 1-10 of 35 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. The distance from Seattle to Wales is about 4709 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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