When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Wales?

Prices for flights from Seattle/Tacoma Intl Airport to Wales are updated daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Wales?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Wales is 1 as of September 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Wales?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Wales.

What documentation or ID do you need to fly to Wales?

The travel and health documents you'll need for your trip to Wales may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wales. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$296 Cheap Flights from Seattle to Wales in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Wales

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:52 pm - 9:50 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

26h 58m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:30 pm - 11:47 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 17m1 stop Amsterdam Schiphol

$1,083Virgin Atlantic

Mon, Nov 16 - Mon, Nov 23

7:55 pm - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

37h 05m2 stops Salt Lake City Amsterdam Schiphol

5:30 pm - 11:57 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

38h 27m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,085Virgin Atlantic

Mon, Nov 16 - Mon, Nov 23

2:35 pm - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

18h 25m1 stop Amsterdam Schiphol

10:20 am - 11:47 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

33h 27m1 stop Amsterdam Schiphol

$1,093Delta

Mon, Nov 16 - Mon, Nov 23

2:35 pm - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

18h 25m1 stop Amsterdam Schiphol

5:30 pm - 11:47 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 17m1 stop Amsterdam Schiphol

$1,095KLM

Mon, Nov 9 - Mon, Nov 16

11:45 am - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

21h 15m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:30 pm - 11:47 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 17m1 stop Amsterdam Schiphol

$1,099KLM

Mon, Nov 9 - Mon, Nov 16

8:30 am - 9:45 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

17h 15m2 stops Minneapolis St Paul Amsterdam Schiphol

5:30 pm - 4:51 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

31h 21m2 stops Amsterdam Schiphol Los Angeles

$1,105Virgin Atlantic

Mon, Nov 9 - Mon, Nov 16

11:55 am - 9:50 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

37h 55m2 stops New York John F Kennedy Intl Amsterdam Schiphol

10:20 am - 10:55 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

44h 35m2 stops Amsterdam Schiphol Boston Logan Intl

$1,111Delta

Wed, Dec 9 - Tue, Dec 15

6:00 am - 9:50 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

43h 50m2 stops Minneapolis St Paul Amsterdam Schiphol

10:20 am - 11:09 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

44h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,111Delta

Wed, Dec 9 - Mon, Dec 14

2:35 pm - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

18h 25m1 stop Amsterdam Schiphol

10:20 am - 11:09 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

44h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,132Delta

Wed, Dec 9 - Mon, Dec 14

2:35 pm - 5:00 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

18h 25m1 stop Amsterdam Schiphol

10:20 am - 4:59 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

38h 39m2 stops Amsterdam Schiphol Salt Lake City

$1,132Delta

Wed, Dec 9 - Tue, Dec 15

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Virgin Atlantic flights from Seattle to Wales

Our best Virgin Atlantic deals on Seattle to Wales flight tickets

Virgin Atlantic

Nov 16

SEA10:52 pmSeattle/Tacoma Intl

26h 58m

2 stops

CWL9:50 amCardiff Wales

Nov 23

CWL5:30 pmCardiff Wales

26h 17m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$1,083

Virgin Atlantic

Nov 16

SEA7:55 pmSeattle/Tacoma Intl

37h 05m

2 stops

CWL5:00 pmCardiff Wales

Nov 23

CWL5:30 pmCardiff Wales

38h 27m

2 stops

SEA11:57 pmSeattle/Tacoma Intl

$1,085

Virgin Atlantic

Nov 9

SEA8:30 amSeattle/Tacoma Intl

17h 15m

2 stops

CWL9:45 amCardiff Wales

Nov 16

CWL5:30 pmCardiff Wales

31h 21m

2 stops

SEA4:51 pmSeattle/Tacoma Intl

$1,105

Delta flights from Seattle to Wales

Our best Delta deals on Seattle to Wales flight tickets

Delta

Nov 16

SEA2:35 pmSeattle/Tacoma Intl

18h 25m

1 stop

CWL5:00 pmCardiff Wales

Nov 23

CWL10:20 amCardiff Wales

33h 27m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$1,093

Delta

Dec 9

SEA11:55 amSeattle/Tacoma Intl

37h 55m

2 stops

CWL9:50 amCardiff Wales

Dec 15

CWL10:20 amCardiff Wales

44h 35m

2 stops

SEA10:55 pmSeattle/Tacoma Intl

$1,111

Delta

Dec 9

SEA2:35 pmSeattle/Tacoma Intl

18h 25m

1 stop

CWL5:00 pmCardiff Wales

Dec 14

CWL10:20 amCardiff Wales

44h 49m

2 stops

SEA11:09 pmSeattle/Tacoma Intl

$1,132

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/16

10:52 pm-9:50 am

2 stops26h 58m

Cardiff Wales

Mon 11/23

5:30 pm-11:47 am

1 stop26h 17m

$1,083

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/16

7:55 pm-5:00 pm

2 stops37h 05m

Cardiff Wales

Mon 11/23

5:30 pm-11:57 pm

2 stops38h 27m

$1,085

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/16

2:35 pm-5:00 pm

1 stop18h 25m

Cardiff Wales

Mon 11/23

10:20 am-11:47 am

1 stop33h 27m

$1,093

Quickest round-trip

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/9

2:35 pm-5:00 pm

1 stop18h 25m

Cardiff Wales

Mon 11/16

5:30 pm-11:47 am

1 stop26h 17m

$1,095

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/9

11:45 am-5:00 pm

2 stops21h 15m

Cardiff Wales

Mon 11/16

5:30 pm-11:47 am

1 stop26h 17m

$1,099

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 11/9

8:30 am-9:45 am

2 stops17h 15m

Cardiff Wales

Mon 11/16

5:30 pm-4:51 pm

2 stops31h 21m

$1,105

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 12/9

11:55 am-9:50 am

2 stops37h 55m

Cardiff Wales

Tue 12/15

10:20 am-10:55 pm

2 stops44h 35m

$1,111

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 12/9

6:00 am-9:50 am

2 stops43h 50m

Cardiff Wales

Mon 12/14

10:20 am-11:09 pm

2 stops44h 49m

$1,111

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 12/9

2:35 pm-5:00 pm

1 stop18h 25m

Cardiff Wales

Mon 12/14

10:20 am-11:09 pm

2 stops44h 49m

$1,132

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 12/9

2:35 pm-5:00 pm

1 stop18h 25m

Cardiff Wales

Tue 12/15

10:20 am-4:59 pm

2 stops38h 39m

$1,132

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Wales

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Wales?

KLM and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Wales

Cheap Seattle to Wales flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Wales

Best Price Found	$296
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to Wales from Seattle in the past 72 hours is $296. The best round-trip flight deal from Seattle to Wales found on momondo in the last 72 hours is $1,083.

The fastest flight from Seattle to Wales takes 12h 10m

There are no direct flights from Seattle to Wales. There are no popular flight routes from Seattle to Wales.

Search flight deals

Frequently asked questions about flying from Seattle to Wales

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Wales?
Prices for flights from Seattle/Tacoma Intl Airport to Wales are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Wales?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Wales is 1 as of September 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Wales?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Wales.
What documentation or ID do you need to fly to Wales?
The travel and health documents you'll need for your trip to Wales may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wales. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Wales

Compare and see reviews for airlines that fly from Seattle to Wales with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $1,519	Free Cancellation	Rating 7.8 8,605 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Wales?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Wales for you.

Can I find flights from Seattle to Wales with flexible booking policies on momondo?

All flight searches from Seattle to Wales on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Wales?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Wales.

I’m not ready to book a flight from Seattle to Wales right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Wales flights. All you need is a valid email address and we will do the rest; it is that quick and easy.