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 3 as of March 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Wales can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wales. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£181 Cheap Flights from Seattle to Wales in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Wales

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:00 - 11:40

SEA

MAN

32h 40m

1 stop

07:55 - 09:40

MAN

SEA

33h 45m

2 stops

£444Multiple Airlines

Wed, 22 Apr - Wed, 20 May

19:00 - 23:45

SEA

MAN

20h 45m

2 stops

18:30 - 20:40

MAN

SEA

34h 10m

2 stops

£460Multiple Airlines

Sat, 18 Apr - Sat, 25 Apr

19:00 - 11:40

SEA

MAN

32h 40m

1 stop

19:40 - 09:40

MAN

SEA

46h 00m

2 stops

£471Multiple Airlines

Mon, 13 Apr - Tue, 5 May

19:10 - 16:55

SEA

MAN

13h 45m

1 stop

08:10 - 17:10

MAN

SEA

17h 00m

1 stop

£486Aer Lingus

Wed, 6 May - Wed, 20 May

13:50 - 08:50

SEA

BRS

35h 00m

1 stop

10:45 - 11:47

BRS

SEA

33h 02m

1 stop

£786KLM

Sun, 13 Sep - Sat, 26 Sep

07:20 - 08:50

SEA

BRS

17h 30m

2 stops

06:15 - 19:05

BRS

SEA

20h 50m

2 stops

£798Delta

Sun, 13 Sep - Sat, 26 Sep

17:40 - 09:15

SEA

CWL

31h 35m

1 stop

09:45 - 11:37

CWL

SEA

33h 52m

1 stop

£815KLM

Sun, 17 May - Mon, 1 Jun

13:45 - 16:45

SEA

CWL

19h 00m

1 stop

09:45 - 16:30

CWL

SEA

14h 45m

1 stop

£894Delta

Wed, 8 Apr - Thu, 16 Apr

19:35 - 10:15

SEA

CWL

30h 40m

2 stops

11:35 - 07:31

CWL

SEA

27h 56m

2 stops

£900WestJet

Sat, 30 May - Tue, 30 Jun

19:35 - 10:15

SEA

CWL

30h 40m

2 stops

11:35 - 07:31

CWL

SEA

27h 56m

2 stops

£909WestJet

Sat, 30 May - Tue, 30 Jun

Aer Lingus flights from Seattle to Wales

Our best Aer Lingus deals on Seattle to Wales flight tickets

Aer Lingus

6 May

SEA19:10Seattle/Tacoma Intl

13h 45m

1 stop

MAN16:55Manchester

20 May

MAN08:10Manchester

17h 00m

1 stop

SEA17:10Seattle/Tacoma Intl

£486

Aer Lingus

4 May

SEA19:10Seattle/Tacoma Intl

13h 45m

1 stop

MAN16:55Manchester

11 May

MAN08:10Manchester

17h 00m

1 stop

SEA17:10Seattle/Tacoma Intl

£523

Aer Lingus

27 Mar

SEA21:05Seattle/Tacoma Intl

15h 10m

1 stop

MAN19:15Manchester

3 Apr

MAN11:35Manchester

13h 35m

1 stop

SEA17:10Seattle/Tacoma Intl

£664

Icelandair flights from Seattle to Wales

Our best Icelandair deals on Seattle to Wales flight tickets

Icelandair

18 Apr

SEA19:00Seattle/Tacoma Intl

32h 40m

1 stop

MAN11:40Manchester

25 Apr

MAN13:05Manchester

12h 50m

1 stop

SEA17:55Seattle/Tacoma Intl

£510

Icelandair

18 Apr

SEA19:00Seattle/Tacoma Intl

32h 40m

1 stop

MAN11:40Manchester

25 Apr

MAN13:05Manchester

12h 50m

1 stop

SEA17:55Seattle/Tacoma Intl

£525

Icelandair

13 Apr

SEA15:40Seattle/Tacoma Intl

12h 00m

1 stop

MAN11:40Manchester

27 Apr

MAN13:05Manchester

12h 50m

1 stop

SEA17:55Seattle/Tacoma Intl

£543

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 22/4

19:00-11:40

1 stop32h 40m

Manchester

Wed 20/5

07:55-09:40

2 stops33h 45m

£444

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sat 18/4

19:00-23:45

2 stops20h 45m

Manchester

Sat 25/4

18:30-20:40

2 stops34h 10m

£460

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 13/4

19:00-11:40

1 stop32h 40m

Manchester

Tue 5/5

19:40-09:40

2 stops46h 00m

£471

Fastest return journey

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 6/5

19:10-16:55

1 stop13h 45m

Manchester

Wed 20/5

08:10-17:10

1 stop17h 00m

£486

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 13/9

13:50-08:50

1 stop35h 00m

Bristol

Sat 26/9

10:45-11:47

1 stop33h 02m

£786

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 13/9

07:20-08:50

2 stops17h 30m

Bristol

Sat 26/9

06:15-19:05

2 stops20h 50m

£798

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 17/5

17:40-09:15

1 stop31h 35m

Cardiff Wales

Mon 1/6

09:45-11:37

1 stop33h 52m

£815

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Wed 8/4

13:45-16:45

1 stop19h 00m

Cardiff Wales

Thu 16/4

09:45-16:30

1 stop14h 45m

£894

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 30/5

19:35-10:15

2 stops30h 40m

Cardiff Wales

Tue 30/6

11:35-07:31

2 stops27h 56m

£900

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 30/5

19:35-10:15

2 stops30h 40m

Cardiff Wales

Tue 30/6

11:35-07:31

2 stops27h 56m

£909

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

Icelandair is the most popular carrier 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

Fastest flight time	12h 00m
Direct flights	None

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

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 3 as of March 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Wales can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wales. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Wales . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Seattle to Wales with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Seattle and Wales by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.