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Cheap flights from Seattle to Wales from £185

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
15 Jul — 22 Jul1
1 adult

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 10 July 2025.

Round-trip from

£380

One-way from

£185

Popular in

June

Cheapest in

January

Average price

£1,213
13/8-21/8
  • 13/8-21/8
  • 4 total stops
  • 40h 35m total
  • Seattle to Wales
Search Deals
5/10
  • 5/10
  • 2 total stops
  • 57h 05m total
  • Seattle to Wales
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£173 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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 10 July 2025.

Wed 13/815:45SEA - BRS
2 stops23h 10mMultiple Airlines
Thu 21/808:25BRS - SEA
2 stops17h 25mMultiple Airlines
Deal found 9/7£380
Tue 7/1015:45SEA - MAN
1 stop11h 55mIcelandair
Wed 5/1111:55MAN - SEA
1 stop13h 05mIcelandair
Deal found 8/7£380
Mon 18/819:35SEA - MAN
1 stop12h 00mAer Lingus
Wed 27/808:10MAN - SEA
1 stop17h 40mAer Lingus
Deal found 8/7£400
Sat 23/815:45SEA - MAN
2 stops19h 30mMultiple Airlines
Sat 30/807:35MAN - SEA
2 stops18h 15mMultiple Airlines
Deal found 9/7£405
Wed 13/819:35SEA - BRS
1 stop15h 00mAer Lingus
Thu 21/808:25BRS - SEA
1 stop17h 25mAer Lingus
Deal found 9/7£444
Wed 3/916:00SEA - MAN
1 stop18h 30mScandinavian Airlines
Tue 9/919:35MAN - SEA
2 stops26h 15mScandinavian Airlines
Deal found 9/7£444
Sun 19/1007:20SEA - MAN
1 stop16h 15mDelta
Tue 4/1113:40MAN - SEA
2 stops28h 12mDelta
Deal found 9/7£457
Mon 11/806:00SEA - MAN
1 stop18h 35mVirgin Atlantic
Tue 26/814:15MAN - SEA
1 stop17h 00mVirgin Atlantic
Deal found 8/7£462
Mon 1/910:00SEA - MAN
2 stops23h 55mSWISS
Tue 23/908:50MAN - SEA
2 stops17h 46mSWISS
Deal found 7/7£481
Wed 15/1010:00SEA - MAN
2 stops16h 40mUnited Airlines
Thu 6/1106:05MAN - SEA
1 stop14h 05mUnited Airlines
Deal found 9/7£482
Wed 15/1010:00SEA - MAN
2 stops23h 20mLufthansa
Tue 4/1106:25MAN - SEA
2 stops24h 04mLufthansa
Deal found 9/7£487
Mon 18/819:30SEA - CWL
2 stops37h 15mVirgin Atlantic
Mon 25/817:15CWL - SEA
2 stops35h 05mVirgin Atlantic
Deal found 9/7£663

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 10 July 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

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Wed 13/8

15:45-22:55

2 stops23h 10m

Bristol

Thu 21/8

08:25-17:50

2 stops17h 25m

£380

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 7/10

15:45-11:40

1 stop11h 55m

Manchester

Wed 5/11

11:55-17:00

1 stop13h 05m

£380

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 18/8

19:35-15:35

1 stop12h 00m

Manchester

Wed 27/8

08:10-17:50

1 stop17h 40m

£400

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 23/8

15:45-19:15

2 stops19h 30m

Manchester

Sat 30/8

07:35-17:50

2 stops18h 15m

£405

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 3/9

16:00-18:30

1 stop18h 30m

Manchester

Tue 9/9

19:35-13:50

2 stops26h 15m

£444

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Wed 13/8

19:35-18:35

1 stop15h 00m

Bristol

Thu 21/8

08:25-17:50

1 stop17h 25m

£444

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 19/10

07:20-07:35

1 stop16h 15m

Manchester

Wed 5/11

13:40-09:52

2 stops28h 12m

£457

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 11/8

06:00-08:35

1 stop18h 35m

Manchester

Tue 26/8

14:15-23:15

1 stop17h 00m

£462

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 1/9

10:00-17:55

2 stops23h 55m

Manchester

Tue 23/9

08:50-18:36

2 stops17h 46m

£481

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 15/10

10:00-10:40

2 stops16h 40m

Manchester

Thu 6/11

06:05-12:10

1 stop14h 05m

£482

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 28 results
1
2
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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.

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 10 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andSWISS from Seattle to Wales by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,952 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,370 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,652 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,846 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
653 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 £210 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from £236 and Virgin Atlantic from £273 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

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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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