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.

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 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.

£185+ Cheap Flights from Seattle to Wales

Cheap flight deals from Seattle to Wales

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 September 2026.

Fri 23/1019:00 -

1 stop32h 45m

Thu 5/1111:55 -

1 stop13h 05m

Deal found 18/9£435

Wed 9/1214:35 -

1 stop12h 10m

Sun 13/1211:55 -

1 stop13h 05m

Deal found 16/9£439

Sat 14/1114:35 -

1 stop12h 10m

Sat 21/1111:55 -

1 stop13h 05m

Deal found 17/9£446

Sat 24/1015:40 -

1 stop12h 05m

Sat 31/1011:55 -

1 stop13h 05m

Deal found 17/9£447

Sat 10/1019:00 -

1 stop32h 40m

Thu 15/1013:05 -

1 stop15h 35m

Deal found 18/9£448

Tue 17/1114:35 -

1 stop14h 10m

Wed 25/1106:10 -

1 stop18h 50m

Deal found 17/9£449

Thu 12/1114:35 -

1 stop14h 10m

Wed 25/1106:10 -

1 stop18h 50m

Deal found 17/9£458

Tue 17/1114:35 -

1 stop14h 10m

Sun 22/1106:00 -

1 stop19h 00m

Deal found 17/9£460

Tue 17/1114:35 -

1 stop14h 10m

Tue 24/1107:00 -

1 stop18h 00m

Deal found 17/9£461

Sun 15/1114:35 -

1 stop12h 10m

Thu 19/1111:55 -

1 stop13h 05m

Deal found 17/9£462

Fri 13/1114:35 -

1 stop12h 10m

Fri 20/1111:35 -

1 stop13h 25m

Deal found 17/9£464

Wed 14/1007:55 -

2 stops23h 10m

Tue 20/1006:20 -

3 stops24h 27m

Deal found 14/9£616

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 September 2026.

Mon 11/114:35 -

1 stop12h 10m

Fri 15/111:35 -

1 stop13h 25m

Deal found 18/9£464

Sun 22/1114:35 -

2 stops15h 00m

Sat 5/1207:10 -

2 stops17h 50m

Deal found 14/9£562

Sun 22/1118:45 -

1 stop12h 50m

Sat 5/1209:40 -

1 stop15h 10m

Deal found 14/9£602

Mon 2/1122:56 -

2 stops27h 24m

Mon 9/1111:30 -

3 stops41h 26m

Deal found 18/9£618

Mon 18/114:25 -

1 stop18h 35m

Tue 26/110:20 -

1 stop33h 30m

Deal found 15/9£710

Sun 1/1114:35 -

1 stop18h 25m

Sun 8/1117:30 -

1 stop26h 17m

Deal found 16/9£856

Tue 19/106:00 -

2 stops21h 20m

Sun 24/109:40 -

1 stop15h 10m

Deal found 16/9£610

Wed 14/1007:55 -

2 stops23h 10m

Tue 20/1006:20 -

3 stops24h 27m

Deal found 14/9£616

Tue 29/907:00 -

2 stops15h 30m

Sat 10/1010:35 -

1 stop14h 24m

Deal found 16/9£621

Fri 30/1015:25 -

1 stop18h 35m

Fri 6/1117:30 -

1 stop26h 17m

Deal found 14/9£1,261

Mon 11/114:30 -

2 stops58h 30m

Fri 15/106:10 -

2 stops38h 49m

Deal found 14/9£623

Wed 14/1007:32 -

2 stops21h 43m

Tue 20/1009:20 -

1 stop15h 15m

Deal found 14/9£710

Sun 1/1114:35 -

2 stops23h 20m

Sun 8/1113:20 -

2 stops35h 40m

Deal found 17/9£689

Fri 30/1006:00 -

2 stops20h 00m

Fri 6/1106:10 -

2 stops25h 10m

Deal found 15/9£633

Tue 19/111:25 -

2 stops21h 35m

Wed 27/110:20 -

1 stop33h 30m

Deal found 15/9£713

Tue 19/114:25 -

1 stop18h 35m

Fri 29/110:20 -

2 stops19h 45m

Deal found 15/9£717

Wed 21/1019:10 -

1 stop19h 45m

Sat 7/1119:15 -

2 stops55h 39m

Deal found 16/9£725

Fri 9/1017:07 -

2 stops29h 23m

Mon 19/1006:05 -

3 stops23h 54m

Deal found 16/9£665

Wed 20/106:00 -

2 stops20h 15m

Thu 28/110:45 -

2 stops19h 20m

Deal found 15/9£725

Wed 21/1013:45 -

1 stop19h 15m

Sat 7/1105:55 -

1 stop13h 52m

Deal found 16/9£744

Tue 1/1206:00 -

2 stops20h 15m

Tue 8/1205:55 -

1 stop13h 55m

Deal found 15/9£773

Sun 1/1107:15 -

2 stops18h 35m

Sun 8/1110:20 -

2 stops21h 39m

Deal found 16/9£813

Fri 30/1011:05 -

2 stops22h 55m

Fri 6/1110:20 -

2 stops19h 45m

Deal found 14/9£814

Fri 30/1009:42 -

2 stops17h 33m

Fri 6/1110:45 -

2 stops19h 20m

Deal found 15/9£817

Tue 29/1214:35 -

3 stops22h 40m

Sun 3/109:00 -

2 stops58h 25m

Deal found 19/9£1,324

Mon 30/1105:35 -

2 stops20h 40m

Sun 6/1205:55 -

2 stops20h 48m

Deal found 15/9£818

Tue 29/1214:35 -

1 stop18h 25m

Sun 3/117:30 -

1 stop26h 20m

Deal found 19/9£2,231

Tue 29/1214:35 -

1 stop18h 25m

Sun 3/110:20 -

2 stops21h 33m

Deal found 19/9£2,161

Find flight deals from Seattle to Wales

Round-trip from	£435
One-way from	£185

Icelandair
23/10-5/11
2 total stops
45h 50m total
Seattle to Wales

Search Deals

3/10-31/12
2 total stops
40h 50m total
Seattle to Wales

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Tue 6/10

15:55-23:15

1 stop23h 20m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£194

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Fri 2/10

15:55-16:50

2 stops40h 55m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£200

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Tue 20/10

19:00-11:40

1 stop32h 40m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£205

SeattleBristol

SEA Seattle/Tacoma Intl - BRS Bristol

SEABRS

Seattle/Tacoma Intl

Wed 7/10

19:35-07:05

2 stops51h 30m

Bristol

Wed 31/12

00:00-15:00

Nonstop0h 00m

£224

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Wed 28/10

15:35-22:00

3 stops23h 25m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£236

Fastest return journey

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sun 21/2

18:45-15:35

1 stop12h 50m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£247

SeattleBristol

SEA Seattle/Tacoma Intl - BRS Bristol

SEABRS

Seattle/Tacoma Intl

Tue 29/9

19:00-23:20

2 stops20h 20m

Bristol

Wed 31/12

00:00-15:00

Nonstop0h 00m

£250

SeattleBristol

SEA Seattle/Tacoma Intl - BRS Bristol

SEABRS

Seattle/Tacoma Intl

Mon 28/9

19:00-08:55

3 stops29h 55m

Bristol

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sun 21/2

15:51-09:00

3 stops33h 09m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£269

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sat 2/1

06:31-09:00

2 stops42h 29m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£269

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 41 resultsSorted by cheapest first

...

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.

SEA-MAN

SEA-BRS

SEA-CWL

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

SEA-GBWLS

SEA-MAN

SEA-BRS

SEA-CWL

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 - 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

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Popular flights

Alternative routes for Seattle to Wales

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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 £185

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to Wales

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 September 2026.

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 September 2026.

Best flights from Seattle to WalesDiscover 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 September 2026.

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 September 2026.

Last-minute flights from Seattle to WalesDiscover last-minute flight deals from Seattle to Wales. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Seattle to Wales. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Seattle to WalesSearch for one-way flight options from Seattle to Wales. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Seattle to Wales. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Seattle to Wales

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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

Related info for your journey

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?

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.

Complete your trip

Complete your trip to Wales by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Seattle to Wales by cabin class

Find flights from Seattle to Wales, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Seattle and Wales flights

Browse other Seattle and Wales flight options. Last updated on 19 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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 September 2026.

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 September 2026.

Last-minute flights from Seattle to Wales
Discover last-minute flight deals from Seattle to Wales. Data last updated 19 September 2026 and is based on user searches.

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 September 2026.