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

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 7 as of December 2025.

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.

$305 Cheap Flights from Seattle to Wales in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 11:00 am

SEA

MAN

12h 25m1 stop

11:55 am - 5:00 pm

MAN

SEA

13h 05m1 stop

$491Icelandair

Fri, Jan 30 - Fri, Feb 6

2:35 pm - 5:55 pm

SEA

MAN

19h 20m2 stops

6:45 am - 5:00 pm

MAN

SEA

18h 15m2 stops

$498Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

2:35 pm - 11:00 am

SEA

MAN

12h 25m1 stop

11:55 am - 5:00 pm

MAN

SEA

13h 05m1 stop

$523Icelandair

Fri, Jan 30 - Tue, Feb 24

9:55 am - 1:35 pm

SEA

MAN

19h 40m3 stops

5:30 pm - 7:16 pm

MAN

SEA

33h 46m3 stops

$590Multiple Airlines

Thu, Jan 22 - Mon, Jan 26

6:50 pm - 4:30 pm

SEA

MAN

13h 40m1 stop

8:05 pm - 11:30 am

MAN

SEA

23h 25m1 stop

$596British Airways

Thu, Jan 22 - Mon, Jan 26

7:00 am - 11:20 pm

SEA

MAN

32h 20m2 stops

11:15 am - 10:43 pm

MAN

SEA

19h 28m2 stops

$608Lufthansa

Thu, Jan 22 - Mon, Jan 26

7:00 am - 11:20 pm

SEA

MAN

32h 20m2 stops

6:00 am - 12:10 pm

MAN

SEA

14h 10m1 stop

$609Lufthansa

Thu, Jan 22 - Mon, Jan 26

7:15 am - 2:00 pm

SEA

MAN

23h 45m2 stops

6:15 am - 12:30 pm

MAN

SEA

13h 15m1 stop

$612British Airways

Sun, Mar 8 - Tue, Mar 17

5:35 pm - 3:45 pm

SEA

CWL

15h 10m1 stop

5:15 pm - 11:45 am

CWL

SEA

26h 30m1 stop

$1,169KLM

Sat, Mar 28 - Thu, Apr 2

5:35 pm - 8:50 am

SEA

BRS

31h 15m1 stop

6:15 am - 11:42 am

BRS

SEA

13h 27m1 stop

$3,207KLM

Sun, May 10 - Sat, May 23

Icelandair flights from Seattle to Wales

Our best Icelandair deals on Seattle to Wales flight tickets

Icelandair

Jan 30

SEA2:35 pmSeattle/Tacoma Intl

12h 25m

1 stop

MAN11:00 amManchester

Feb 6

MAN11:55 amManchester

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$491

Find similar

Icelandair

Jan 30

SEA2:35 pmSeattle/Tacoma Intl

12h 25m

1 stop

MAN11:00 amManchester

Feb 24

MAN11:55 amManchester

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$523

Find similar

Icelandair

Mar 8

SEA3:00 pmSeattle/Tacoma Intl

12h 45m

1 stop

MAN10:45 amManchester

Mar 17

MAN11:55 amManchester

13h 05m

1 stop

SEA6:00 pmSeattle/Tacoma Intl

$589

Find similar

British Airways flights from Seattle to Wales

Our best British Airways deals on Seattle to Wales flight tickets

British Airways

Jan 22

SEA6:50 pmSeattle/Tacoma Intl

13h 40m

1 stop

MAN4:30 pmManchester

Jan 26

MAN8:05 pmManchester

23h 25m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$596

Find similar

British Airways

Mar 8

SEA7:15 amSeattle/Tacoma Intl

23h 45m

2 stops

MAN2:00 pmManchester

Mar 17

MAN6:15 amManchester

13h 15m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

$612

Find similar

British Airways

Jan 30

SEA2:04 pmSeattle/Tacoma Intl

16h 16m

2 stops

MAN2:20 pmManchester

Feb 6

MAN6:00 amManchester

13h 30m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$614

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-11:00 am

1 stop12h 25m

Manchester

Fri 2/6

11:55 am-5:00 pm

1 stop13h 05m

$491

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-5:55 pm

2 stops19h 20m

Manchester

Fri 2/6

6:45 am-5:00 pm

2 stops18h 15m

$498

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 1/30

2:35 pm-11:00 am

1 stop12h 25m

Manchester

Tue 2/24

11:55 am-5:00 pm

1 stop13h 05m

$523

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 1/22

9:55 am-1:35 pm

3 stops19h 40m

Manchester

Mon 1/26

5:30 pm-7:16 pm

3 stops33h 46m

$590

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 1/22

6:50 pm-4:30 pm

1 stop13h 40m

Manchester

Mon 1/26

8:05 pm-11:30 am

1 stop23h 25m

$596

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 1/22

7:00 am-11:20 pm

2 stops32h 20m

Manchester

Mon 1/26

11:15 am-10:43 pm

2 stops19h 28m

$608

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 1/22

7:00 am-11:20 pm

2 stops32h 20m

Manchester

Mon 1/26

6:00 am-12:10 pm

1 stop14h 10m

$609

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Sun 3/8

7:15 am-2:00 pm

2 stops23h 45m

Manchester

Tue 3/17

6:15 am-12:30 pm

1 stop13h 15m

$612

SeattleCardiff

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 3/28

5:35 pm-3:45 pm

1 stop15h 10m

Cardiff Wales

Thu 4/2

5:15 pm-11:45 am

1 stop26h 30m

$1,169

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Sun 5/10

5:35 pm-8:50 am

1 stop31h 15m

Bristol

Sat 5/23

6:15 am-11:42 am

1 stop13h 27m

$3,207

Flights are sorted by cheapest round-trip 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

Prices

Airlines

What is the cheapest day to depart on your flight to Wales?

Our data shows that Wednesday is the least expensive day to fly to Wales. Tickets to fly out on this day can be as low as $808. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Wales for around $1,303.

What is the cheapest time of day to depart on your flight to Wales?

Our data shows that the cheapest Seattle to Wales flights are usually those with departure times in the morning. Our users have found flights to Wales in the morning for as low as $941. Flights to Wales are more costly in the afternoon, with an average ticket price of $1,132. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 10m
Direct flights	None

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

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 7 as of December 2025.
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.

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.