How long is the flight from Seattle to Wales?

Departing from Seattle to Wales will take you 12h 10m. The distance from Seattle to Wales is about 4633 mi. This flight may include one or multiple stops.

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.

In terms of precipitation, rainfall in Wales ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Wales when rainfall is around 50.0 mm.

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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Seattle to Wales?

When deciding which route to take from Seattle to Wales consider Seattle/Tacoma Intl - Bristol, Seattle/Tacoma Intl - Manchester or Seattle/Tacoma Intl - Cardiff Wales as they are the most popular.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Wales as you normally would.

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.

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.

£210+ Flights from Seattle to Wales

Cheap flight deals from Seattle to Wales

Round-trip from	£357
One-way from	£222
Popular in	June
Cheapest in	January
Average price	£903

31/10-7/11
4 total stops
34h 15m total
Seattle to Wales

Search Deals

22/10
2 total stops
40h 10m total
Seattle to Wales

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£142 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£32 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 18 September 2025.

Tue 11/1114:35SEA - BRS

2 stops16h 45mMultiple Airlines

Wed 19/1109:00BRS - SEA

2 stops16h 00mMultiple Airlines

Deal found 15/9£352

Fri 31/1015:35SEA - BRS

2 stops17h 15mMultiple Airlines

Fri 7/1108:00BRS - SEA

2 stops17h 00mMultiple Airlines

Deal found 16/9£357

Sun 19/1015:45SEA - MAN

1 stop11h 55mIcelandair

Tue 4/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 16/9£363

Tue 7/1015:45SEA - MAN

1 stop11h 55mIcelandair

Wed 5/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 15/9£366

Sat 4/1019:00SEA - MAN

1 stop32h 40mIcelandair

Tue 25/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/9£368

Thu 4/1214:35SEA - MAN

1 stop12h 10mIcelandair

Sun 14/1211:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 15/9£372

Wed 26/1114:35SEA - MAN

1 stop12h 10mIcelandair

Tue 2/1211:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/9£373

Tue 7/1015:45SEA - MAN

1 stop11h 55mIcelandair

Thu 16/1012:40MAN - SEA

1 stop13h 10mIcelandair

Deal found 16/9£374

Fri 10/1019:00SEA - MAN

1 stop32h 40mIcelandair

Fri 17/1012:40MAN - SEA

1 stop16h 00mIcelandair

Deal found 15/9£375

Thu 23/1015:45SEA - BRS

2 stops18h 45mMultiple Airlines

Thu 30/1009:00BRS - SEA

2 stops16h 00mMultiple Airlines

Deal found 15/9£376

Wed 15/1015:45SEA - MAN

2 stops19h 50mMultiple Airlines

Wed 22/1007:55MAN - SEA

2 stops17h 55mMultiple Airlines

Deal found 17/9£379

Sun 9/1114:35SEA - MAN

1 stop12h 10mIcelandair

Fri 14/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/9£380

Best flights from Seattle to Wales
Discover carefully curated flight deals from Seattle to Wales that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Fri 31/1015:35SEA - BRS

2 stops17h 15mMultiple Airlines

Fri 7/1108:00BRS - SEA

2 stops17h 00mMultiple Airlines

Deal found 16/9£357

Tue 2/1214:35SEA - MAN

1 stop12h 10mIcelandair

Fri 12/1211:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 15/9£366

Tue 10/319:50SEA - MAN

1 stop15h 55mBritish Airways

Fri 20/307:50MAN - SEA

1 stop17h 05mBritish Airways

Deal found 17/9£423

Tue 14/1006:00SEA - MAN

2 stops17h 35mVirgin Atlantic

Tue 21/1014:15MAN - SEA

1 stop16h 07mVirgin Atlantic

Deal found 15/9£426

Tue 7/1009:46SEA - MAN

2 stops19h 39mDelta

Wed 5/1113:30MAN - SEA

1 stop18h 24mDelta

Deal found 15/9£429

Wed 1/1013:30SEA - CWL

2 stops19h 15mKLM

Sat 11/1017:35CWL - SEA

1 stop30h 30mKLM

Deal found 16/9£696

Thu 30/1000:34SEA - BRS

2 stops24h 21mAer Lingus

Fri 7/1111:50BRS - SEA

1 stop14h 30mAer Lingus

Deal found 16/9£710

Tue 7/1015:45SEA - MAN

1 stop11h 55mIcelandair

Wed 5/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 15/9£366

Tue 10/319:50SEA - MAN

1 stop13h 40mBritish Airways

Mon 16/316:20MAN - SEA

1 stop27h 10mBritish Airways

Deal found 17/9£423

Tue 7/1006:00SEA - MAN

2 stops17h 35mVirgin Atlantic

Thu 16/1012:35MAN - SEA

1 stop19h 19mVirgin Atlantic

Deal found 16/9£426

Mon 9/319:50SEA - MAN

1 stop15h 50mBritish Airways

Fri 20/310:15MAN - SEA

1 stop14h 40mBritish Airways

Deal found 17/9£423

Tue 7/1006:00SEA - MAN

2 stops17h 35mVirgin Atlantic

Tue 14/1014:15MAN - SEA

1 stop16h 07mVirgin Atlantic

Deal found 17/9£426

Sun 8/319:50SEA - MAN

1 stop12h 45mBritish Airways

Mon 16/309:40MAN - SEA

1 stop33h 50mBritish Airways

Deal found 17/9£423

Sun 8/319:50SEA - MAN

1 stop12h 45mBritish Airways

Fri 20/310:15MAN - SEA

1 stop14h 40mBritish Airways

Deal found 17/9£423

Mon 9/319:50SEA - MAN

1 stop12h 20mBritish Airways

Thu 19/305:40MAN - SEA

1 stop19h 15mBritish Airways

Deal found 17/9£423

Thu 5/315:05SEA - BRS

1 stop14h 05mDelta

Mon 9/308:55BRS - SEA

1 stop34h 40mDelta

Deal found 17/9£625

Wed 1/1017:40SEA - CWL

1 stop31h 35mMultiple Airlines

Sat 11/1009:45CWL - SEA

1 stop14h 20mMultiple Airlines

Deal found 16/9£725

Fri 31/1006:00SEA - BRS

2 stops19h 25mDelta

Fri 7/1106:00BRS - SEA

1 stop13h 45mDelta

Deal found 16/9£665

Thu 5/315:05SEA - BRS

1 stop33h 20mVirgin Atlantic

Mon 9/317:35BRS - SEA

1 stop26h 00mVirgin Atlantic

Deal found 16/9£667

Fri 31/1007:25SEA - CWL

2 stops19h 25mDelta

Fri 7/1110:20CWL - SEA

2 stops19h 43mDelta

Deal found 16/9£667

Fri 31/1016:00SEA - CWL

1 stop17h 55mKLM

Fri 7/1117:15CWL - SEA

1 stop26h 30mKLM

Deal found 16/9£918

Fri 31/1006:00SEA - CWL

2 stops20h 50mVirgin Atlantic

Fri 7/1117:15CWL - SEA

1 stop26h 30mVirgin Atlantic

Deal found 16/9£733

Wed 1/1009:40SEA - CWL

2 stops23h 05mDelta

Sat 11/1009:45CWL - SEA

2 stops20h 18mDelta

Deal found 16/9£741

Fri 31/1015:35SEA - CWL

2 stops21h 05mMultiple Airlines

Fri 7/1119:45CWL - SEA

3 stops29h 15mMultiple Airlines

Deal found 16/9£1,104

Last-minute flights from Seattle to Wales
Discover last-minute flight deals from Seattle to Wales. Data last updated 18 September 2025 and is based on user searches.

Sat 4/1019:00SEA - MAN

1 stop32h 40mIcelandair

Tue 25/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/9£368

Tue 7/1015:45SEA - MAN

1 stop11h 55mIcelandair

Wed 5/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 15/9£366

Tue 7/1015:45SEA - MAN

1 stop11h 55mIcelandair

Thu 16/1012:40MAN - SEA

1 stop13h 10mIcelandair

Deal found 16/9£374

Tue 7/1010:00SEA - MAN

2 stops19h 50mMultiple Airlines

Tue 14/1022:50MAN - SEA

2 stops23h 26mMultiple Airlines

Deal found 17/9£385

Tue 7/1007:19SEA - MAN

1 stop16h 16mVirgin Atlantic

Tue 14/1014:15MAN - SEA

1 stop16h 07mVirgin Atlantic

Deal found 17/9£423

Fri 10/1019:00SEA - MAN

1 stop32h 40mIcelandair

Fri 17/1012:40MAN - SEA

1 stop16h 00mIcelandair

Deal found 15/9£375

Tue 14/1019:35SEA - MAN

1 stop13h 15mAer Lingus

Tue 21/1008:10MAN - SEA

1 stop17h 40mAer Lingus

Deal found 15/9£421

Tue 14/1006:00SEA - MAN

2 stops17h 35mVirgin Atlantic

Tue 21/1014:15MAN - SEA

1 stop16h 07mVirgin Atlantic

Deal found 15/9£426

Wed 15/1015:45SEA - MAN

2 stops19h 50mMultiple Airlines

Wed 22/1007:55MAN - SEA

2 stops17h 55mMultiple Airlines

Deal found 17/9£379

Wed 15/1019:35SEA - MAN

1 stop12h 00mAer Lingus

Wed 22/1012:05MAN - SEA

1 stop13h 45mAer Lingus

Deal found 17/9£415

Sun 19/1015:45SEA - MAN

1 stop11h 55mIcelandair

Tue 4/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 16/9£363

Fri 31/1015:35SEA - BRS

2 stops17h 15mMultiple Airlines

Fri 7/1108:00BRS - SEA

2 stops17h 00mMultiple Airlines

Deal found 16/9£357

One-way flights from Seattle to Wales
Search for one-way flight options from Seattle to Wales. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Wed 22/1010:00SEA - MAN

2 stops40h 10mMultiple Airlines

Deal found 16/9£222

Wed 15/1015:45SEA - MAN

1 stop11h 55mIcelandair

Deal found 16/9£262

Wed 22/1015:45SEA - MAN

1 stop11h 30mIcelandair

Deal found 16/9£262

Thu 9/1021:15SEA - MAN

3 stops38h 35mMultiple Airlines

Deal found 16/9£277

Mon 15/1223:21SEA - MAN

2 stops24h 24mMultiple Airlines

Deal found 17/9£279

Thu 9/1019:00SEA - MAN

1 stop32h 40mIcelandair

Deal found 16/9£299

Mon 3/1114:35SEA - BRS

2 stops21h 55mMultiple Airlines

Deal found 17/9£315

Mon 15/1221:59SEA - MAN

1 stop24h 41mVirgin Atlantic

Deal found 17/9£333

Tue 14/1000:34SEA - MAN

2 stops24h 16mAer Lingus

Deal found 16/9£360

Mon 3/1120:05SEA - BRS

1 stop14h 35mAer Lingus

Deal found 17/9£361

Tue 21/1000:34SEA - MAN

2 stops23h 01mAer Lingus

Deal found 16/9£361

Sun 14/1201:04SEA - MAN

2 stops24h 26mAer Lingus

Deal found 17/9£385

Fly from

Fly to

Route

Depart

Return

Price

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Fri 31/10

15:35-15:50

2 stops17h 15m

Bristol

Fri 7/11

08:00-17:00

2 stops17h 00m

£357

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 2/12

14:35-10:45

1 stop12h 10m

Manchester

Fri 12/12

11:55-17:00

1 stop13h 05m

£366

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

£366

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 10/3

19:50-18:45

1 stop15h 55m

Manchester

Fri 20/3

07:50-17:55

1 stop17h 05m

£423

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 10/3

19:50-16:30

1 stop13h 40m

Manchester

Mon 16/3

16:20-12:30

1 stop27h 10m

£423

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 9/3

19:50-18:40

1 stop15h 50m

Manchester

Fri 20/3

10:15-17:55

1 stop14h 40m

£423

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 8/3

19:50-15:35

1 stop12h 45m

Manchester

Mon 16/3

09:40-12:30

1 stop33h 50m

£423

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 8/3

19:50-15:35

1 stop12h 45m

Manchester

Fri 20/3

10:15-17:55

1 stop14h 40m

£423

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 9/3

19:50-15:10

1 stop12h 20m

Manchester

Thu 19/3

05:40-17:55

1 stop19h 15m

£423

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 14/10

06:00-07:35

2 stops17h 35m

Manchester

Tue 21/10

14:15-22:22

1 stop16h 07m

£426

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 35 results

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.

Related info for your journey

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.
How long is the flight from Seattle to Wales?
Departing from Seattle to Wales will take you 12h 10m. The distance from Seattle to Wales is about 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 - Bristol, Seattle/Tacoma Intl - Manchester 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

Browse thousands of different options on Cheapflights for your next trip

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Direct flights to United Kingdom

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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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Cheap flights from Seattle to Wales from £210

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 18 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Wales

Cheapest flights from Seattle to WalesExplore 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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Wales that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Wales

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?

How long is the flight from Seattle to Wales?

What are the most popular routes from Seattle to Wales?

Can I find deals for flights from Seattle to Wales that include hotel bookings?

How can I find direct flights from Seattle to Wales?

Can I find deals for business class flights from Seattle to Wales?

What is the cheapest month to book a flight from Seattle to Wales?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Wales

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Wales?

Why should you use Cheapflights to find cheap flight tickets from Seattle to Wales?

Can Cheapflights find flights from Seattle to Wales with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Wales become cheaper?

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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 18 September 2025.