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$292+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
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 agosto 18, 2025.

Round-trip from

$541
(oojo)

One-way from

$292
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$929
From Seattle/Tacoma Intl to Wales
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One-way flight from Seattle/Tacoma Intl to Wales
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Highest demand for flights based on searches. 18% potential increase in price ($266 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 18, 2025.

This oojo deal was found by Cheapflights users on 8/17. 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.
sáb. 10/43:45 pmSEA - MAN
1 stop11h 55mIcelandair
mar. 11/2511:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 8/17$541
This FlightHub deal was found by Cheapflights users on 8/16. 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.
sáb. 11/82:35 pmSEA - MAN
1 stop12h 10mIcelandair
dom. 11/2311:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 8/16$543
This Gurufare deal was found by Cheapflights users on 8/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/62:35 pmSEA - MAN
1 stop12h 10mIcelandair
mar. 11/2511:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 8/16$559
This Icelandair deal was found by Cheapflights users on 8/18. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/112:35 pmSEA - MAN
1 stop12h 10mIcelandair
mié. 11/2611:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 8/18$566
This oojo deal was found by Cheapflights users on 8/18. 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.
mar. 10/143:45 pmSEA - MAN
1 stop11h 55mIcelandair
sáb. 10/1812:40 pmMAN - SEA
1 stop16h 00mIcelandair
Deal found 8/18$577
This Gurufare deal was found by Cheapflights users on 8/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/83:45 pmSEA - MAN
1 stop11h 55mIcelandair
jue. 10/212:40 pmMAN - SEA
1 stop16h 00mIcelandair
Deal found 8/17$590
This Icelandair deal was found by Cheapflights users on 8/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/83:45 pmSEA - MAN
1 stop11h 55mIcelandair
vie. 10/312:40 pmMAN - SEA
1 stop13h 10mIcelandair
Deal found 8/17$597
This Ovago deal was found by Cheapflights users on 8/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/911:42 amSEA - MAN
2 stops19h 53mBritish Airways
mar. 11/2512:35 pmMAN - SEA
1 stop12h 20mBritish Airways
Deal found 8/16$625
This British Airways deal was found by Cheapflights users on 8/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:50 pmSEA - MAN
1 stop13h 30mBritish Airways
mar. 11/257:40 amMAN - SEA
1 stop17h 15mBritish Airways
Deal found 8/18$626
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/71:30 pmSEA - MAN
1 stop12h 15mBritish Airways
mié. 11/51:15 pmMAN - SEA
2 stops18h 03mBritish Airways
Deal found 8/17$630
This oojo deal was found by Cheapflights users on 8/17. 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.
vie. 10/104:20 pmSEA - MAN
1 stop32h 50mScandinavian Airlines
lun. 10/277:15 pmMAN - SEA
2 stops34h 07mScandinavian Airlines
Deal found 8/17$636
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
mar. 9/307:35 pmSEA - CWL
1 stop27h 50mMultiple Airlines
mar. 10/74:20 pmCWL - SEA
2 stops36h 09mMultiple Airlines
Deal found 8/15$831

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 agosto 18, 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

lun. 12/1

2:35 pm-10:45 am

1 stop12h 10m

Manchester

vie. 1/9

11:55 am-5:00 pm

1 stop13h 05m

$541

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

sáb. 10/4

3:45 pm-11:40 am

1 stop11h 55m

Manchester

mar. 11/25

11:55 am-5:00 pm

1 stop13h 05m

$541

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

mar. 10/7

3:45 pm-11:40 am

1 stop11h 55m

Manchester

mié. 11/5

11:55 am-5:00 pm

1 stop13h 05m

$541

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

vie. 11/7

2:35 pm-10:45 am

1 stop12h 10m

Manchester

dom. 11/23

11:55 am-5:00 pm

1 stop13h 05m

$543

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

sáb. 11/8

2:35 pm-10:45 am

1 stop12h 10m

Manchester

mar. 11/25

11:55 am-5:00 pm

1 stop13h 05m

$543

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

sáb. 11/8

2:35 pm-10:45 am

1 stop12h 10m

Manchester

dom. 11/23

11:55 am-5:00 pm

1 stop13h 05m

$543

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

dom. 11/9

2:35 pm-10:45 am

1 stop12h 10m

Manchester

dom. 11/23

11:55 am-5:00 pm

1 stop13h 05m

$543

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

mar. 9/30

7:35 pm-7:25 am

1 stop27h 50m

Cardiff Wales

mar. 10/7

4:20 pm-8:29 pm

2 stops36h 09m

$831

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

dom. 10/19

7:35 pm-6:35 pm

1 stop15h 00m

Bristol

mié. 10/29

8:20 am-7:20 pm

1 stop18h 00m

$899

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

mar. 9/30

5:40 pm-4:45 pm

1 stop15h 05m

Cardiff Wales

mar. 10/7

9:50 am-11:50 am

1 stop34h 00m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 29 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 agosto 18, 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.

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.

  • How long is the flight from Seattle to Wales?

    There are many flights that can get you from Seattle to Wales in 12h 10m. Fly via Icelandair, Aer Lingus, or KLM to get the fastest option. Seattle and Wales are separated by a distance of 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 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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