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Cheap flights from Seattle to Wales from £237

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
30 Nov — 7 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 31 October 2025.

Round-trip from

£375

One-way from

£237
Icelandair
  • Icelandair
  • 21/1-31/1
  • 2 total stops
  • 25h 15m total
  • Seattle to Wales
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/4
  • 2 total stops
  • 22h 30m 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 31 October 2025.

Sun 7/1220:05SEA - MAN
1 stop15h 10mAer Lingus
Sun 21/1212:25MAN - SEA
1 stop13h 55mAer Lingus
Deal found 29/10£485
Sun 14/1214:35SEA - MAN
1 stop12h 10mIcelandair
Wed 24/1211:55MAN - SEA
1 stop13h 05mIcelandair
Deal found 29/10£497
Mon 15/1220:05SEA - MAN
1 stop11h 15mAer Lingus
Sun 21/1212:25MAN - SEA
1 stop13h 55mAer Lingus
Deal found 30/10£508
Mon 15/1220:05SEA - MAN
1 stop15h 20mMultiple Airlines
Sun 21/1208:25MAN - SEA
1 stop17h 55mMultiple Airlines
Deal found 30/10£525
Mon 15/1220:05SEA - MAN
1 stop12h 35mAer Lingus
Fri 19/1212:25MAN - SEA
1 stop13h 55mAer Lingus
Deal found 30/10£527
Mon 17/1114:05SEA - MAN
1 stop23h 25mMultiple Airlines
Mon 24/1120:40MAN - SEA
1 stop23h 05mMultiple Airlines
Deal found 30/10£541
Mon 17/1115:37SEA - MAN
2 stops32h 43mSWISS
Mon 24/1118:45MAN - SEA
2 stops36h 59mSWISS
Deal found 30/10£556
Mon 17/1114:00SEA - MAN
1 stop19h 00mLufthansa
Mon 24/1106:25MAN - SEA
2 stops37h 45mLufthansa
Deal found 30/10£565
Sun 7/1218:50SEA - MAN
1 stop12h 45mBritish Airways
Sun 21/1207:55MAN - SEA
2 stops23h 18mBritish Airways
Deal found 29/10£574
Wed 29/1010:53SEA - MAN
2 stops24h 02mSWISS
Tue 4/1109:10MAN - SEA
2 stops21h 18mSWISS
Deal found 29/10£578
Sun 14/1220:05SEA - BRS
2 stops19h 10mMultiple Airlines
Sun 21/1221:15BRS - SEA
2 stops29h 05mMultiple Airlines
Deal found 30/10£593
Sat 13/1200:38SEA - BRS
2 stops23h 17mAer Lingus
Sun 21/1219:40BRS - SEA
1 stop30h 40mAer Lingus
Deal found 30/10£737

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 31 October 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 1/3

14:35-10:45

1 stop12h 10m

Manchester

Thu 5/3

11:55-17:00

1 stop13h 05m

£396

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 11/1

14:35-10:45

1 stop12h 10m

Manchester

Wed 21/1

11:55-17:00

1 stop13h 05m

£397

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 25/4

15:45-11:40

1 stop11h 55m

Manchester

Thu 30/4

13:05-17:50

1 stop12h 45m

£401

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 29/1

07:00-23:20

2 stops32h 20m

Manchester

Fri 6/3

06:25-13:20

1 stop14h 55m

£471

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 8/1

09:25-10:10

2 stops16h 45m

Manchester

Sat 24/1

05:50-11:50

1 stop14h 00m

£475

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 21/1

08:04-10:55

2 stops18h 51m

Manchester

Sat 31/1

08:50-20:45

2 stops19h 55m

£477

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 1/4

14:15-23:15

2 stops25h 00m

Manchester

Wed 15/4

10:40-16:59

1 stop14h 19m

£478

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 8/3

15:10-16:05

1 stop17h 55m

Manchester

Tue 17/3

05:50-20:31

2 stops21h 41m

£479

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 1/1

18:50-19:05

1 stop16h 15m

Manchester

Thu 26/2

09:45-16:55

1 stop15h 10m

£482

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 29/1

14:02-16:05

2 stops18h 03m

Manchester

Fri 6/3

05:50-15:08

2 stops17h 18m

£483

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 32 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 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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Alternative routes for Seattle to Wales

See prices for flight routes from nearby airports that may be better suited for you.
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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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