Find flights
When to book
FAQs

Cheap flights from Seattle to Wales from £158

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Wales

Keep the following information in mind while searching for Seattle to Wales flight deals. Data was last updated 15 January 2026.

Round-trip from

£370

One-way from

£158
Icelandair
  • Icelandair
  • 1/2-5/2
  • 2 total stops
  • 25h 15m total
  • Seattle to Wales
Search Deals
Icelandair
  • Icelandair
  • 22/4
  • 1 total stop
  • 32h 40m total
  • Seattle to Wales
Search Deals

Find 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 15 January 2026.

Sun 1/214:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Thu 5/211:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Deal found 12/1£370
Sun 8/315:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Tue 17/311:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Deal found 14/1£370
Sun 8/307:15
SEA
-
MAN
2 stops20h 40m
British Airways
Tue 17/317:30
MAN
-
SEA
2 stops32h 50m
British Airways
Deal found 13/1£396
Fri 27/214:35
SEA
-
MAN
2 stops22h 20m
Multiple Airlines
Fri 6/306:45
MAN
-
SEA
2 stops18h 15m
Multiple Airlines
Deal found 13/1£402
Tue 10/217:45
SEA
-
MAN
2 stops15h 50m
British Airways
Mon 16/217:10
MAN
-
SEA
2 stops26h 20m
British Airways
Deal found 12/1£414
Fri 27/213:37
SEA
-
MAN
2 stops18h 58m
British Airways
Fri 6/308:05
MAN
-
SEA
1 stop18h 15m
British Airways
Deal found 13/1£435
Mon 11/518:55
SEA
-
BRS
1 stop13h 05m
Multiple Airlines
Tue 19/512:40
BRS
-
SEA
2 stops39h 48m
Multiple Airlines
Deal found 13/1£536
Sun 1/315:05
SEA
-
CWL
1 stop34h 45m
KLM
Sun 8/310:20
CWL
-
SEA
1 stop33h 15m
KLM
Deal found 14/1£565
Mon 2/315:05
SEA
-
BRS
1 stop14h 05m
KLM
Fri 13/306:00
BRS
-
SEA
1 stop13h 35m
KLM
Deal found 13/1£567
Fri 27/215:05
SEA
-
CWL
1 stop17h 50m
KLM
Fri 6/317:15
CWL
-
SEA
1 stop26h 20m
KLM
Deal found 13/1£568
Fri 27/206:10
SEA
-
CWL
2 stops19h 40m
Delta
Fri 6/310:20
CWL
-
SEA
2 stops20h 02m
Delta
Deal found 13/1£576
Sun 1/307:10
SEA
-
CWL
2 stops18h 40m
Delta
Sun 8/310:20
CWL
-
SEA
2 stops19h 00m
Delta
Deal found 14/1£577

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 15 January 2026.
Use the filters below to find and compare flights from Seattle to Wales that are best for you.

Fly from

Seattle

Fly to

Wales

Route

Depart

Return

Price

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 8/3

07:20-10:55

2 stops20h 35m

Manchester

Tue 17/3

19:25-19:20

2 stops30h 55m

£405

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 2/4

07:21-11:30

2 stops20h 09m

Manchester

Mon 13/4

16:55-11:35

1 stop26h 40m

£468

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 19/3

08:10-08:45

2 stops17h 35m

Manchester

Tue 24/3

11:15-14:20

1 stop34h 05m

£480

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 19/3

08:10-08:45

2 stops17h 35m

Manchester

Tue 24/3

06:10-22:45

2 stops23h 35m

£487

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 14/2

23:59-08:45

2 stops24h 46m

Manchester

Mon 23/2

06:00-11:18

2 stops37h 18m

£494

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 21/3

19:50-19:20

2 stops16h 30m

Manchester

Sun 29/3

20:55-17:10

1 stop28h 15m

£508

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 19/3

19:50-19:05

1 stop16h 15m

Manchester

Tue 24/3

20:40-19:20

1 stop29h 40m

£508

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 4/2

10:58-10:20

2 stops15h 22m

Manchester

Sat 21/2

06:05-20:56

2 stops46h 51m

£523

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 19/3

19:50-12:00

2 stops33h 10m

Manchester

Sun 29/3

17:25-17:10

1 stop31h 45m

£524

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 11/5

18:55-16:00

1 stop13h 05m

Bristol

Tue 19/5

12:40-20:28

2 stops39h 48m

£536

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 32 results
1
2
3
4

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 17h 35m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Wales

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Heathrow flights
Seattle to Gatwick flights
Portland to Heathrow flights
Seattle to London City flights
Portland to Gatwick flights
Seattle to Edinburgh flights
Seattle to Glasgow Intl flights
Portland to Stansted flights
Portland to Edinburgh flights
Portland to Glasgow Intl flights
Spokane to Heathrow flights
Seattle to Manchester flights
Spokane to Gatwick flights
Spokane to Manchester flights
Seattle to Belfast City flights
Portland to Luton flights
Seattle to Birmingham flights
Seattle to Newcastle upon Tyne flights
Portland to Manchester flights
Spokane to Edinburgh flights
Seattle to Bristol flights
Portland to Bristol flights
Seattle to Aberdeen flights
Seattle to Inverness flights
Seattle to Leeds flights
Spokane to Glasgow Intl flights
Portland to Belfast Intl flights
Portland to Belfast City flights
Portland to Leeds flights
Portland to Aberdeen flights
Seattle to Liverpool flights
Spokane to Southampton flights
Portland to Southend flights
Bellingham to Gatwick flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.