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Wales

$376+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$495
(oojo)

One-way from

$376
(Trip.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Cardiff Wales flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cardiff Wales flights.
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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 October 29, 2025.

This oojo deal was found by Cheapflights users on 10/28. 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.
Thu 11/132:35 pmSEA - MAN
1 stop12h 10mIcelandair
Tue 11/1811:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 10/28$496
This FlightHub deal was found by Cheapflights users on 10/28. 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 11/122:35 pmSEA - MAN
1 stop12h 10mIcelandair
Wed 11/1911:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 10/28$500
This Icelandair deal was found by Cheapflights users on 10/28. 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.
Tue 11/112:35 pmSEA - MAN
1 stop12h 10mIcelandair
Wed 11/1911:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 10/28$523
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Mon 11/108:05 pmSEA - MAN
1 stop15h 20mMultiple Airlines
Wed 11/261:55 pmMAN - SEA
1 stop12h 25mMultiple Airlines
Deal found 10/27$542
This Mytrip deal was found by Cheapflights users on 10/27. 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 12/112:35 pmSEA - BRS
2 stops19h 35mMultiple Airlines
Thu 12/188:15 amBRS - SEA
2 stops16h 45mMultiple Airlines
Deal found 10/27$614
This Gotogate deal was found by Cheapflights users on 10/26. 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 12/98:10 amSEA - MAN
2 stops22h 40mMultiple Airlines
Tue 12/165:40 pmMAN - SEA
1 stop27h 40mMultiple Airlines
Deal found 10/26$625
This Mytrip deal was found by Cheapflights users on 10/28. 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 11/132:35 pmSEA - MAN
2 stops18h 05mMultiple Airlines
Tue 11/187:15 pmMAN - SEA
2 stops29h 45mMultiple Airlines
Deal found 10/28$626
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:05 pmSEA - MAN
1 stop15h 10mAer Lingus
Sun 12/2112:25 pmMAN - SEA
1 stop13h 55mAer Lingus
Deal found 10/29$639
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/95:00 amSEA - MAN
2 stops28h 00mUnited Airlines
Tue 12/166:10 amMAN - SEA
2 stops22h 44mUnited Airlines
Deal found 10/26$641
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:30 amSEA - MAN
2 stops16h 40mMultiple Airlines
Thu 12/181:30 pmMAN - SEA
1 stop18h 28mMultiple Airlines
Deal found 10/27$646
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:35 pmSEA - MAN
1 stop12h 10mIcelandair
Wed 12/2411:55 amMAN - SEA
1 stop13h 05mIcelandair
Deal found 10/28$655
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 12/117:10 amSEA - BRS
2 stops22h 00mDelta
Thu 12/186:00 amBRS - SEA
1 stop13h 50mDelta
Deal found 10/27$909

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 October 29, 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

Sat 1/10

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Wed 1/14

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 1/11

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Sat 1/17

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 1/10

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Sun 1/18

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 1/11

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Thu 1/15

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 1/9

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Sun 1/18

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 1/9

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Wed 1/14

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 1/7

2:35 pm-10:45 am

1 stop12h 10m

Manchester

Sun 1/18

11:55 am-5:00 pm

1 stop13h 05m

$522

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 1/6

6:50 pm-6:45 pm

1 stop15h 55m

Manchester

Wed 1/14

7:30 pm-4:55 pm

1 stop29h 25m

$617

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 1/6

6:50 pm-6:45 pm

1 stop15h 55m

Manchester

Fri 1/16

11:50 am-4:55 pm

1 stop13h 05m

$617

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 1/7

7:10 am-4:35 pm

2 stops25h 25m

Manchester

Fri 1/16

5:50 am-11:50 am

1 stop14h 00m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 30 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 October 29, 2025.

It’s optimal to fly from Seattle to Wales at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the evening.

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, KLM, or Virgin Atlantic 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.

See more FAQs

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Alternative routes for Seattle to Wales

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