Latest deals
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Wales from $1,112

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Wales

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 am - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
33h 30m1 stop Amsterdam Schiphol
$1,112Delta
Sun, Jan 3 - Wed, Jan 13
Delta Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 am - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
33h 30m1 stop Amsterdam Schiphol
$1,112Delta
Sun, Jan 3 - Thu, Jan 14
KLM Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
26h 20m1 stop Amsterdam Schiphol
$1,112KLM
Tue, Jan 5 - Mon, Jan 11
KLM Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
26h 20m1 stop Amsterdam Schiphol
$1,112KLM
Tue, Jan 5 - Tue, Jan 12
Delta Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 am - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
33h 30m1 stop Amsterdam Schiphol
$1,112Delta
Wed, Jan 6 - Mon, Jan 11
Delta Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 am - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
33h 30m1 stop Amsterdam Schiphol
$1,112Delta
Sun, Jan 3 - Mon, Jan 11
Delta Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 am - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
33h 30m1 stop Amsterdam Schiphol
$1,112Delta
Wed, Jan 6 - Thu, Jan 14
Delta Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 am - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
33h 30m1 stop Amsterdam Schiphol
$1,112Delta
Wed, Jan 6 - Wed, Jan 13
KLM Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
26h 20m1 stop Amsterdam Schiphol
$1,112KLM
Mon, Jan 4 - Mon, Jan 11
KLM Logo
2:25 pm - 5:00 pmSEA  Seattle/Tacoma Intl-CWL Cardiff Wales
18h 35m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 11:50 amCWL  Cardiff Wales-SEA Seattle/Tacoma Intl
26h 20m1 stop Amsterdam Schiphol
$1,112KLM
Mon, Jan 4 - Tue, Jan 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Seattle to Wales

Our best Delta deals on Seattle to Wales flight tickets
Delta
Jan 3
SEA2:25 pmSeattle/Tacoma Intl
18h 35m
1 stop
CWL5:00 pmCardiff Wales
Jan 13
CWL10:20 amCardiff Wales
33h 30m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$1,112
Delta
Jan 5
SEA11:10 pmSeattle/Tacoma Intl
33h 50m
2 stops
CWL5:00 pmCardiff Wales
Jan 13
CWL10:20 amCardiff Wales
33h 30m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$1,116
Delta
Jan 5
SEA7:31 amSeattle/Tacoma Intl
25h 29m
2 stops
CWL5:00 pmCardiff Wales
Jan 13
CWL10:20 amCardiff Wales
40h 19m
2 stops
SEA6:39 pmSeattle/Tacoma Intl
$1,126

KLM flights from Seattle to Wales

Our best KLM deals on Seattle to Wales flight tickets
KLM
Jan 4
SEA2:25 pmSeattle/Tacoma Intl
18h 35m
1 stop
CWL5:00 pmCardiff Wales
Jan 12
CWL5:30 pmCardiff Wales
29h 20m
2 stops
SEA2:50 pmSeattle/Tacoma Intl
$1,122
KLM
Jan 4
SEA2:25 pmSeattle/Tacoma Intl
18h 35m
1 stop
CWL5:00 pmCardiff Wales
Jan 10
CWL5:30 pmCardiff Wales
29h 20m
2 stops
SEA2:50 pmSeattle/Tacoma Intl
$1,172
KLM
Jan 5
SEA7:31 amSeattle/Tacoma Intl
18h 19m
2 stops
CWL9:50 amCardiff Wales
Jan 10
CWL5:30 pmCardiff Wales
29h 20m
2 stops
SEA2:50 pmSeattle/Tacoma Intl
$1,176

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Sun 1/3

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Wed 1/13

10:20 am-11:50 am

1 stop33h 30m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Sun 1/3

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Thu 1/14

10:20 am-11:50 am

1 stop33h 30m

$1,112
Quickest round-trip

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Tue 1/5

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Mon 1/11

5:30 pm-11:50 am

1 stop26h 20m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Tue 1/5

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Tue 1/12

5:30 pm-11:50 am

1 stop26h 20m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 1/6

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Mon 1/11

10:20 am-11:50 am

1 stop33h 30m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Sun 1/3

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Mon 1/11

10:20 am-11:50 am

1 stop33h 30m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 1/6

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Thu 1/14

10:20 am-11:50 am

1 stop33h 30m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Wed 1/6

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Wed 1/13

10:20 am-11:50 am

1 stop33h 30m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 1/4

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Mon 1/11

5:30 pm-11:50 am

1 stop26h 20m

$1,112

SeattleCardiff

SEA Seattle/Tacoma Intl - CWL Cardiff Wales

SEACWL

Seattle/Tacoma Intl

Mon 1/4

2:25 pm-5:00 pm

1 stop18h 35m

Cardiff Wales

Tue 1/12

5:30 pm-11:50 am

1 stop26h 20m

$1,112

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

$1,112

Fastest flight time

12h 00m

Direct flights

None
The best flight deal from Seattle to Wales found on momondo in the last 72 hours is $1,112
The fastest flight from Seattle to Wales takes 12h 00m
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?

  • 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
DeltaPriceFrom $1,519Free CancellationRating
7.8
8,700 reviews
Search Delta flights

Frequently asked questions about flying from Seattle to Wales

  • How do I get Price Alerts for flights from Seattle to Wales?

    Confirm your travel details to search for the latest offers for flights from Seattle to Wales. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Wales with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

An easier way to manage your Wales trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/9
Wed 12/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Wales

Popular cities in Wales

Flights to Londonfrom $69
Flights to Manchesterfrom $531
Flights to Edinburghfrom $545
Flights to Glasgowfrom $623
Flights to Birminghamfrom $604
Flights to Newcastle upon Tynefrom $560
Flights to Belfastfrom $700
Flights to Bristolfrom $649
Flights to Invernessfrom $710
Flights to Leedsfrom $711
Flights to Aberdeenfrom $814
Flights to Liverpoolfrom $609