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Cheap flights from Seattle to Wales from £239

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
27 Jan — 3 Feb1
1 adult

Cheap flight deals from Seattle to Wales

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Wales (GBWLS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 January 2025.

Round-trip from

£395

One-way from

£239
Icelandair
  • Icelandair
  • 3/5-11/5
  • 2 total stops
  • 27h 30m total
  • Seattle to Wales
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 36h 30m total
  • Seattle to Wales
Search Deals

Find flight deals from Seattle to Wales

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 22 January 2025.

Sat 3/515:45SEA - MAN
1 stop11h 55mIcelandair
Sun 11/513:05MAN - SEA
1 stop15h 35mIcelandair
Deal found 21/1£395
Tue 4/314:35SEA - MAN
2 stops24h 00mMultiple Airlines
Tue 11/313:45MAN - SEA
2 stops35h 15mMultiple Airlines
Deal found 20/1£472
Tue 7/1013:30SEA - MAN
1 stop15h 40mBritish Airways
Wed 5/1107:50MAN - SEA
1 stop17h 05mBritish Airways
Deal found 21/1£477
Tue 18/206:15SEA - MAN
1 stop17h 20mVirgin Atlantic
Tue 11/312:00MAN - SEA
2 stops19h 09mVirgin Atlantic
Deal found 21/1£496
Sat 29/322:56SEA - MAN
1 stop24h 49mDelta
Tue 15/414:00MAN - SEA
1 stop16h 25mDelta
Deal found 19/1£499
Tue 4/313:33SEA - MAN
2 stops16h 27mAmerican Airlines
Tue 11/306:15MAN - SEA
1 stop18h 40mAmerican Airlines
Deal found 21/1£502
Fri 7/320:00SEA - BRS
1 stop17h 45mMultiple Airlines
Fri 14/305:55BRS - SEA
1 stop20h 20mMultiple Airlines
Deal found 21/1£518
Tue 4/308:10SEA - MAN
2 stops22h 40mUnited Airlines
Tue 11/306:25MAN - SEA
1 stop14h 55mUnited Airlines
Deal found 19/1£542
Tue 25/316:10SEA - MAN
1 stop17h 45mLufthansa
Mon 14/418:10MAN - SEA
1 stop26h 15mLufthansa
Deal found 19/1£555
Wed 5/320:00SEA - BRS
1 stop14h 35mAer Lingus
Wed 12/308:20BRS - SEA
1 stop17h 55mAer Lingus
Deal found 21/1£564
Mon 21/718:30SEA - MAN
1 stop14h 25mAir France
Mon 18/817:45MAN - SEA
1 stop25h 30mAir France
Deal found 19/1£607
Sun 2/306:15SEA - CWL
2 stops22h 35mMultiple Airlines
Sun 9/308:20CWL - SEA
1 stop17h 55mMultiple Airlines
Deal found 21/1£670

Find flights from Seattle to Wales within your budget

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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 3/5

15:45-11:40

1 stop11h 55m

Manchester

Sun 11/5

13:05-20:40

1 stop15h 35m

£395

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 4/3

14:35-22:35

2 stops24h 00m

Manchester

Tue 11/3

13:45-18:00

2 stops35h 15m

£472

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 30/3

20:20-18:50

1 stop14h 30m

Manchester

Tue 8/4

07:00-11:10

1 stop12h 10m

£478

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 18/2

06:15-07:35

1 stop17h 20m

Manchester

Tue 11/3

12:00-00:09

2 stops19h 09m

£496

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 29/3

22:56-07:45

1 stop24h 49m

Manchester

Tue 15/4

14:00-22:25

1 stop16h 25m

£499

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 4/3

13:33-14:00

2 stops16h 27m

Manchester

Tue 11/3

06:15-17:55

1 stop18h 40m

£502

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Fri 7/3

20:00-21:45

1 stop17h 45m

Bristol

Fri 14/3

05:55-19:15

1 stop20h 20m

£518

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 29/3

20:20-19:05

1 stop14h 45m

Manchester

Fri 11/4

10:30-23:05

2 stops20h 35m

£537

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 4/3

08:10-14:50

2 stops22h 40m

Manchester

Tue 11/3

06:25-14:20

1 stop14h 55m

£542

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 25/3

16:10-16:55

1 stop17h 45m

Manchester

Mon 14/4

18:10-12:25

1 stop26h 15m

£555

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 27 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.

Travel insights for flights from Seattle to Wales

Get recent, data-driven insights about flights from Seattle to Wales including ideal travel times, pricing trends, and more.

Rainfall in Wales by month

Plan your trip to Wales by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wales ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Wales when rainfall is around 50.0 mm.

Temperature in Wales by month

Plan your trip to Wales by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wales, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Wales

Get insights into the airlines that provide service to Wales. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Wales. Reviews last updated 22 January 2025.
Read reviews from past customers who have flown British Airways, Delta and United Airlines from Seattle to Wales. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 £256 on Icelandair. Other airlines that offer cheap prices include British Airways from £321 and Delta from £333 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 - 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.

  • What is the cheapest month to book a flight from Seattle to Wales?

    Currently, July is the cheapest month in which you can book a flight from Seattle to Wales (average of £169). Flying from Seattle to Wales in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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