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Wales

$226+ Cheap flights from Seattle (SEA) to Wales

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
1 adult, Economy
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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 June 15, 2025.

Round-trip from

$565
(oojo)

One-way from

$226
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$1,693
From Seattle/Tacoma Intl to Wales
Search Deals
One-way flight from Seattle/Tacoma Intl to Wales
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Highest demand for flights based on searches. 21% potential increase in price ($319 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 15, 2025.

This oojo deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:45 pmSEA - MAN
1 stop11h 55mIcelandair
Wed 11/511:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 6/13$565
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:35 pmSEA - BRS
1 stop17h 25mMultiple Airlines
Tue 8/57:20 amBRS - SEA
1 stop18h 30mMultiple Airlines
Deal found 6/13$566
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:09 pmSEA - MAN
2 stops17h 06mAmerican Airlines
Wed 11/59:50 amMAN - SEA
1 stop15h 05mAmerican Airlines
Deal found 6/14$628
This FlightHub deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:00 pmSEA - MAN
1 stop33h 30mScandinavian Airlines
Mon 8/258:25 pmMAN - SEA
2 stops49h 25mScandinavian Airlines
Deal found 6/14$632
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:51 pmSEA - MAN
2 stops14h 44mMultiple Airlines
Mon 9/154:55 pmMAN - SEA
1 stop26h 15mMultiple Airlines
Deal found 6/14$639
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:00 pmSEA - MAN
1 stop14h 20mUnited Airlines
Fri 9/1210:40 amMAN - SEA
1 stop14h 19mUnited Airlines
Deal found 6/14$642
This Air Canada deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:15 amSEA - MAN
2 stops43h 05mAir Canada
Fri 9/126:05 amMAN - SEA
2 stops21h 26mAir Canada
Deal found 6/14$646
This Iberia deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/111:42 amSEA - MAN
2 stops25h 58mIberia
Tue 9/167:15 pmMAN - SEA
2 stops32h 54mIberia
Deal found 6/14$651
This SWISS deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:25 pmSEA - MAN
1 stop17h 30mSWISS
Mon 9/156:40 pmMAN - SEA
2 stops31h 56mSWISS
Deal found 6/14$652
This Cheapflightsfares deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:20 pmSEA - MAN
1 stop11h 50mBritish Airways
Wed 9/172:00 pmMAN - SEA
1 stop12h 20mBritish Airways
Deal found 6/13$659
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:35 pmSEA - CWL
1 stop12h 20mMultiple Airlines
Mon 8/41:10 pmCWL - SEA
1 stop12h 40mMultiple Airlines
Deal found 6/13$659
This Lufthansa deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:55 pmSEA - MAN
2 stops35h 25mLufthansa
Fri 9/1210:40 amMAN - SEA
1 stop14h 19mLufthansa
Deal found 6/14$693

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 15, 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

Tue 10/7

3:45 pm-11:40 am

1 stop11h 55m

Manchester

Wed 11/5

11:55 am-5:00 pm

1 stop13h 05m

$565

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Tue 7/29

7:35 pm-9:00 pm

1 stop17h 25m

Bristol

Tue 8/5

7:20 am-5:50 pm

1 stop18h 30m

$566

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 10/7

2:09 pm-3:15 pm

2 stops17h 06m

Manchester

Wed 11/5

9:50 am-4:55 pm

1 stop15h 05m

$628

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 8/20

4:00 pm-9:30 am

1 stop33h 30m

Manchester

Mon 8/25

8:25 pm-1:50 pm

2 stops49h 25m

$632

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 9/3

4:51 pm-3:35 pm

2 stops14h 44m

Manchester

Mon 9/15

4:55 pm-11:10 am

1 stop26h 15m

$639

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 9/3

12:00 pm-10:20 am

1 stop14h 20m

Manchester

Fri 9/12

10:40 am-4:59 pm

1 stop14h 19m

$642

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 9/2

7:15 am-10:20 am

2 stops43h 05m

Manchester

Fri 9/12

6:05 am-7:31 pm

2 stops21h 26m

$646

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 9/1

11:42 am-9:40 pm

2 stops25h 58m

Manchester

Tue 9/16

7:15 pm-8:09 pm

2 stops32h 54m

$651

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 9/1

4:25 pm-5:55 pm

1 stop17h 30m

Manchester

Mon 9/15

6:40 pm-6:36 pm

2 stops31h 56m

$652

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 9/4

8:20 pm-4:10 pm

1 stop11h 50m

Manchester

Wed 9/17

2:00 pm-6:20 pm

1 stop12h 20m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 39 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 round-trip 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

What is the cheapest time of day to fly from SEA to WLS?

Find hourly flight availability from Seattle to Wales. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2025.

When flying from Seattle to Wales, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Wales when rainfall is around 2.0 in.

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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 June 15, 2025.
Read through reviews of airlines operating flights from Seattle to Wales, such as Delta, KLM and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
1,361 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
1,627 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
8,798 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Wales from Seattle.

  • What are the cheapest airlines to fly from Seattle to Wales one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $226. Users have also found prices from $444 and $446 on Virgin Atlantic and Air Canada, respectively.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Seattle to Wales (average of $773). Flying from Seattle to Wales in June is currently the most expensive (average of $1,622). 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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Top airline flying from Seattle to Wales

Discover the top airline that operate flights from Seattle to Wales. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$760Average$1,132FlexibilityNo cancel feeOn-time75%

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