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$294+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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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 January 21, 2025.

Round-trip from

$491
(Mytrip)

One-way from

$294
(Kiwi.com)
From Seattle/Tacoma Intl to Wales
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One-way flight from Seattle/Tacoma Intl to Wales
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/13:45 pmSEA - MAN
1 stop11h 55mIcelandair
Wed 5/71:05 pmMAN - SEA
1 stop15h 35mIcelandair
Deal found 1/20$491
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/42:35 pmSEA - MAN
2 stops24h 00mMultiple Airlines
Tue 3/111:45 pmMAN - SEA
2 stops35h 15mMultiple Airlines
Deal found 1/20$580
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
Tue 10/71:30 pmSEA - MAN
1 stop15h 40mBritish Airways
Wed 11/57:50 amMAN - SEA
1 stop17h 05mBritish Airways
Deal found 1/21$587
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/41:35 pmSEA - MAN
1 stop12h 45mVirgin Atlantic
Tue 3/116:00 amMAN - SEA
1 stop13h 20mVirgin Atlantic
Deal found 1/21$608
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2910:56 pmSEA - MAN
1 stop24h 49mDelta
Tue 4/152:00 pmMAN - SEA
1 stop16h 25mDelta
Deal found 1/19$613
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Mon 3/37:00 amSEA - MAN
2 stops18h 00mAmerican Airlines
Mon 3/104:20 pmMAN - SEA
1 stop27h 00mAmerican Airlines
Deal found 1/21$617
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/48:10 amSEA - MAN
2 stops22h 40mUnited Airlines
Tue 3/116:25 amMAN - SEA
1 stop14h 55mUnited Airlines
Deal found 1/19$667
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Fri 3/78:00 pmSEA - BRS
1 stop17h 45mMultiple Airlines
Fri 3/145:55 amBRS - SEA
1 stop20h 20mMultiple Airlines
Deal found 1/21$669
This Lufthansa deal was found by Cheapflights users on 1/19. 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.
Tue 3/254:10 pmSEA - MAN
1 stop17h 45mLufthansa
Mon 4/146:10 pmMAN - SEA
1 stop26h 15mLufthansa
Deal found 1/19$682
This Air France deal was found by Cheapflights users on 1/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:30 pmSEA - MAN
1 stop14h 25mAir France
Mon 8/185:45 pmMAN - SEA
1 stop25h 30mAir France
Deal found 1/19$746
This Lucky2Go deal was found by Cheapflights users on 1/20. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/78:00 pmSEA - BRS
1 stop15h 30mAer Lingus
Fri 3/1412:20 pmBRS - SEA
1 stop13h 55mAer Lingus
Deal found 1/20$786
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sun 3/26:15 amSEA - CWL
2 stops22h 35mMultiple Airlines
Sun 3/98:20 amCWL - SEA
1 stop17h 55mMultiple Airlines
Deal found 1/20$807

Find flights from Seattle to Wales within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 5/1

3:45 pm-11:40 am

1 stop11h 55m

Manchester

Wed 5/7

1:05 pm-8:40 pm

1 stop15h 35m

$491

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 3/4

2:35 pm-10:35 pm

2 stops24h 00m

Manchester

Tue 3/11

1:45 pm-6:00 pm

2 stops35h 15m

$580

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 3/30

8:20 pm-6:50 pm

1 stop14h 30m

Manchester

Tue 4/8

7:00 am-11:10 am

1 stop12h 10m

$588

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 3/4

1:35 pm-10:20 am

1 stop12h 45m

Manchester

Tue 3/11

6:00 am-12:20 pm

1 stop13h 20m

$608

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 3/29

10:56 pm-7:45 am

1 stop24h 49m

Manchester

Tue 4/15

2:00 pm-10:25 pm

1 stop16h 25m

$613

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 3/3

7:00 am-9:00 am

2 stops18h 00m

Manchester

Mon 3/10

4:20 pm-12:20 pm

1 stop27h 00m

$617

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 3/29

8:20 pm-7:05 pm

1 stop14h 45m

Manchester

Fri 4/11

10:30 am-11:05 pm

2 stops20h 35m

$660

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 3/4

7:15 am-2:50 pm

3 stops23h 35m

Manchester

Tue 3/11

6:25 am-2:20 pm

1 stop14h 55m

$667

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Fri 3/7

8:00 pm-9:45 pm

1 stop17h 45m

Bristol

Fri 3/14

5:55 am-7:15 pm

1 stop20h 20m

$669

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 3/25

4:10 pm-4:55 pm

1 stop17h 45m

Manchester

Mon 4/14

6:10 pm-12:25 pm

1 stop26h 15m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 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.

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.

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 January 21, 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 January 21, 2025.
Read through reviews of airlines operating flights from Seattle to Wales, such as British Airways, Delta and Virgin Atlantic. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

8.0

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

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

8.0

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?

    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 $318. Users have also found prices from $395 and $409 on British Airways and Delta, 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 - 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 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.

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$743Average$1,132FlexibilityNo cancel feeOn-time75%
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