How long is the flight from Seattle to Wales?

Departing from Seattle to Wales will take you 11h 55m. 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 - Manchester, Seattle/Tacoma Intl - Bristol or Seattle/Tacoma Intl - Cardiff Wales as they are the most popular.

What is the cheapest month to fly from Seattle to Wales?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Wales. Flights to Wales from Seattle in January are about £853 on average during January, but can be found for as low as £649.

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.

£216+ Flights from Seattle to Wales

Cheap flight deals from Seattle to Wales

Round-trip from	£400
One-way from	£216
Popular in	June
Cheapest in	January
Average price	£686

Icelandair
4/10-25/11
2 total stops
25h 00m total
Seattle to Wales

Search Deals

13/9
2 total stops
57h 51m total
Seattle to Wales

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£145 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 19 August 2025.

Sat 4/1015:45SEA - MAN

1 stop11h 55mIcelandair

Tue 25/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/8£400

Sat 8/1114:35SEA - MAN

1 stop12h 10mIcelandair

Sun 23/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£401

Fri 3/1015:45SEA - MAN

1 stop11h 55mIcelandair

Fri 10/1012:40MAN - SEA

1 stop16h 00mIcelandair

Deal found 19/8£408

Thu 6/1114:35SEA - MAN

1 stop12h 10mIcelandair

Sun 23/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£413

Tue 11/1114:35SEA - MAN

1 stop12h 10mIcelandair

Fri 21/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£418

Tue 14/1015:45SEA - MAN

1 stop11h 55mIcelandair

Sat 18/1012:40MAN - SEA

1 stop16h 00mIcelandair

Deal found 19/8£426

Mon 8/915:45SEA - MAN

1 stop11h 55mIcelandair

Wed 1/1012:40MAN - SEA

1 stop13h 10mIcelandair

Deal found 17/8£436

Mon 8/915:45SEA - MAN

1 stop11h 55mIcelandair

Fri 3/1012:40MAN - SEA

1 stop13h 10mIcelandair

Deal found 17/8£441

Fri 3/1016:20SEA - MAN

1 stop16h 55mScandinavian Airlines

Fri 10/1020:25MAN - SEA

2 stops49h 35mScandinavian Airlines

Deal found 19/8£448

Wed 5/1118:50SEA - MAN

1 stop13h 30mBritish Airways

Mon 24/1116:20MAN - SEA

1 stop32h 35mBritish Airways

Deal found 18/8£463

Tue 7/1013:30SEA - MAN

1 stop12h 15mBritish Airways

Wed 5/1113:15MAN - SEA

2 stops18h 03mBritish Airways

Deal found 17/8£465

Sun 19/1019:35SEA - BRS

1 stop15h 00mAer Lingus

Wed 29/1008:20BRS - SEA

1 stop18h 00mAer Lingus

Deal found 19/8£664

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 19 August 2025.

Sat 4/1015:45SEA - MAN

1 stop11h 55mIcelandair

Tue 25/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/8£400

Sun 19/1019:35SEA - BRS

1 stop15h 00mAer Lingus

Wed 29/1008:20BRS - SEA

1 stop18h 00mAer Lingus

Deal found 19/8£664

Sun 19/1006:00SEA - BRS

2 stops18h 50mDelta

Wed 29/1008:55BRS - SEA

2 stops18h 50mDelta

Deal found 19/8£708

Thu 11/917:40SEA - BRS

1 stop31h 10mKLM

Thu 18/917:35BRS - SEA

1 stop26h 10mKLM

Deal found 18/8£734

Fri 3/1014:00SEA - BRS

1 stop24h 05mVirgin Atlantic

Fri 10/1006:15BRS - SEA

1 stop17h 50mVirgin Atlantic

Deal found 18/8£734

Tue 25/1115:10SEA - BRS

2 stops22h 40mMultiple Airlines

Sun 30/1106:15BRS - SEA

1 stop18h 45mMultiple Airlines

Deal found 18/8£749

Tue 7/1015:45SEA - MAN

1 stop11h 55mIcelandair

Wed 5/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 17/8£400

Fri 7/1114:35SEA - MAN

1 stop12h 10mIcelandair

Sun 23/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£401

Sat 8/1114:35SEA - MAN

1 stop12h 10mIcelandair

Tue 25/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£401

Sat 8/1114:35SEA - MAN

1 stop12h 10mIcelandair

Sun 23/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£401

Sun 9/1114:35SEA - MAN

1 stop12h 10mIcelandair

Sun 23/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£401

Sun 9/1114:35SEA - MAN

1 stop12h 10mIcelandair

Tue 25/1111:55MAN - SEA

1 stop13h 05mIcelandair

Deal found 18/8£401

Last-minute flights from Seattle to Wales
Discover last-minute flight deals from Seattle to Wales. Data last updated 19 August 2025 and is based on user searches.

Sun 24/810:40SEA - MAN

2 stops23h 55mBritish Airways

Sun 31/819:50MAN - SEA

2 stops34h 36mBritish Airways

Deal found 19/8£655

Sun 24/810:00SEA - MAN

2 stops23h 55mSWISS

Sun 31/808:45MAN - SEA

2 stops21h 35mSWISS

Deal found 17/8£672

Sun 24/818:50SEA - MAN

2 stops29h 35mLufthansa

Sun 31/810:40MAN - SEA

1 stop14h 19mLufthansa

Deal found 17/8£703

Wed 27/818:50SEA - MAN

1 stop14h 10mLufthansa

Wed 3/906:50MAN - SEA

1 stop18h 09mLufthansa

Deal found 17/8£670

Wed 27/818:50SEA - MAN

2 stops29h 35mLufthansa

Tue 2/906:50MAN - SEA

2 stops37h 05mLufthansa

Deal found 18/8£724

Wed 27/819:00SEA - MAN

3 stops31h 40mUnited Airlines

Wed 3/911:25MAN - SEA

2 stops40h 06mUnited Airlines

Deal found 17/8£728

Thu 11/917:40SEA - BRS

1 stop31h 10mKLM

Thu 18/917:35BRS - SEA

1 stop26h 10mKLM

Deal found 18/8£734

Thu 11/907:10SEA - BRS

2 stops22h 00mDelta

Thu 18/909:20BRS - SEA

1 stop14h 45mDelta

Deal found 18/8£737

Thu 11/906:05SEA - BRS

2 stops17h 50mAer Lingus

Thu 18/908:25BRS - SEA

2 stops19h 44mAer Lingus

Deal found 18/8£743

Sat 13/914:10SEA - CWL

1 stop35h 05mKLM

Fri 19/917:15CWL - SEA

1 stop30h 50mKLM

Deal found 18/8£827

Sat 13/907:45SEA - CWL

2 stops17h 30mMultiple Airlines

Fri 19/909:50CWL - SEA

2 stops18h 26mMultiple Airlines

Deal found 18/8£899

Sat 13/919:35SEA - BRS

1 stop28h 20mAer Lingus

Fri 19/919:10BRS - SEA

1 stop30h 40mAer Lingus

Deal found 17/8£961

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 19 August 2025.

Sat 13/921:39SEA - MAN

2 stops57h 51mMultiple Airlines

Deal found 18/8£216

Wed 19/1107:00SEA - MAN

2 stops25h 15mMultiple Airlines

Deal found 17/8£223

Tue 16/908:19SEA - MAN

2 stops30h 21mMultiple Airlines

Deal found 17/8£231

Sun 14/908:19SEA - MAN

2 stops47h 11mMultiple Airlines

Deal found 17/8£245

Fri 12/921:33SEA - MAN

3 stops29h 52mMultiple Airlines

Deal found 17/8£250

Thu 2/1014:35SEA - MAN

2 stops59h 30mMultiple Airlines

Deal found 18/8£252

Sun 28/1215:10SEA - MAN

2 stops35h 05mMultiple Airlines

Deal found 17/8£256

Tue 16/922:41SEA - CWL

2 stops24h 44mMultiple Airlines

Deal found 17/8£267

Tue 16/919:35SEA - BRS

1 stop12h 25mAer Lingus

Deal found 17/8£482

Tue 16/908:05SEA - BRS

2 stops15h 50mMultiple Airlines

Deal found 17/8£596

Fly from

Fly to

Route

Depart

Return

Price

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 4/10

15:45-11:40

1 stop11h 55m

Manchester

Tue 25/11

11:55-17:00

1 stop13h 05m

£400

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

£400

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 7/11

14:35-10:45

1 stop12h 10m

Manchester

Sun 23/11

11:55-17:00

1 stop13h 05m

£401

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 8/11

14:35-10:45

1 stop12h 10m

Manchester

Tue 25/11

11:55-17:00

1 stop13h 05m

£401

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 8/11

14:35-10:45

1 stop12h 10m

Manchester

Sun 23/11

11:55-17:00

1 stop13h 05m

£401

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 9/11

14:35-10:45

1 stop12h 10m

Manchester

Sun 23/11

11:55-17:00

1 stop13h 05m

£401

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 9/11

14:35-10:45

1 stop12h 10m

Manchester

Tue 25/11

11:55-17:00

1 stop13h 05m

£401

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 3/10

15:45-11:40

1 stop11h 55m

Manchester

Fri 10/10

12:40-20:40

1 stop16h 00m

£408

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 10/11

14:35-10:45

1 stop12h 10m

Manchester

Sun 23/11

11:55-17:00

1 stop13h 05m

£413

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 19/10

19:35-18:35

1 stop15h 00m

Bristol

Wed 29/10

08:20-19:20

1 stop18h 00m

£664

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 33 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 11h 55m. 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 - 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 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 £216

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 13/9. 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 19 August 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 19 August 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 19 August 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 19 August 2025.