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Cheap flights from Seattle to Wales from £234

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
23 Dec — 30 Dec1
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 23 November 2025.

Round-trip from

£344

One-way from

£221
6/2-11/2
  • 6/2-11/2
  • 4 total stops
  • 36h 05m total
  • Seattle to Wales
Search Deals
26/1
  • 26/1
  • 3 total stops
  • 45h 21m 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 23 November 2025.

Sun 28/1208:10SEA - MAN
2 stops17h 25mMultiple Airlines
Sun 4/120:55MAN - SEA
2 stops33h 21mMultiple Airlines
Deal found 22/11£782
Fri 12/1220:05SEA - MAN
1 stop11h 15mMultiple Airlines
Mon 5/119:45MAN - SEA
2 stops46h 48mMultiple Airlines
Deal found 23/11£870
Wed 17/1207:20SEA - MAN
2 stops18h 50mDelta
Fri 9/113:00MAN - SEA
1 stop17h 25mDelta
Deal found 23/11£875
Thu 18/1210:39SEA - MAN
2 stops25h 31mMultiple Airlines
Wed 7/119:45MAN - SEA
2 stops46h 16mMultiple Airlines
Deal found 22/11£936
Wed 17/1218:50SEA - MAN
1 stop13h 30mBritish Airways
Fri 9/121:30MAN - SEA
1 stop22h 00mBritish Airways
Deal found 23/11£975
Sun 28/1218:50SEA - MAN
1 stop16h 25mBritish Airways
Sun 4/119:55MAN - SEA
2 stops34h 09mBritish Airways
Deal found 22/11£984
Mon 22/1220:05SEA - MAN
1 stop11h 15mAer Lingus
Thu 8/108:05MAN - SEA
2 stops23h 54mAer Lingus
Deal found 23/11£1,063
Mon 22/1220:05SEA - MAN
1 stop16h 05mBritish Airways
Thu 8/117:15MAN - SEA
1 stop26h 15mBritish Airways
Deal found 23/11£1,078
Mon 22/1215:05SEA - MAN
1 stop21h 00mMultiple Airlines
Thu 8/113:30MAN - SEA
1 stop17h 20mMultiple Airlines
Deal found 22/11£1,081
Mon 22/1207:10SEA - MAN
2 stops19h 00mDelta
Thu 8/113:30MAN - SEA
1 stop28h 39mDelta
Deal found 22/11£1,095

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 23 November 2025.
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 1/2

14:35-10:45

1 stop12h 10m

Manchester

Thu 5/2

11:55-17:00

1 stop13h 05m

£396

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 8/3

15:35-10:45

1 stop12h 10m

Manchester

Tue 17/3

11:55-18:00

1 stop13h 05m

£446

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 10/1

13:35-11:45

1 stop14h 10m

Manchester

Fri 23/1

07:50-16:55

1 stop17h 05m

£466

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 25/3

10:05-12:20

2 stops19h 15m

Manchester

Tue 14/4

07:00-19:18

2 stops20h 18m

£473

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 10/1

12:35-08:20

2 stops35h 45m

Manchester

Fri 23/1

09:10-21:12

2 stops20h 02m

£474

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 7/1

12:35-17:55

2 stops21h 20m

Manchester

Wed 14/1

09:10-21:12

2 stops20h 02m

£479

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 8/3

07:15-10:10

2 stops19h 55m

Manchester

Tue 17/3

05:50-22:22

2 stops23h 32m

£483

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 25/3

08:00-12:20

2 stops21h 20m

Manchester

Tue 14/4

07:00-23:36

3 stops24h 36m

£504

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 6/1

18:05-06:40

2 stops28h 35m

Manchester

Tue 13/1

17:25-11:50

1 stop26h 25m

£527

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 10/1

08:10-12:10

2 stops20h 00m

Manchester

Fri 23/1

06:05-21:12

3 stops23h 07m

£532

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 24 results
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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 cheapest airlines to fly from Seattle to Wales one-way?

    One-way options have recently been found by users for as low as £234 on Scandinavian Airlines. Other airlines that offer cheap prices include Icelandair from £273 and Lufthansa from £302 one-way.

  • 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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Alternative routes for Seattle to Wales

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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.

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