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Cheap flights from Seattle to Cardiff from £646

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cardiff departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap Seattle to Cardiff (SEA to CWL) flight deals and tips

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

Best price found

£646

Fastest flight time

14h 35m

Direct flights

None

Airports in Cardiff

1 airport
The best flight deal from Seattle to Cardiff found on momondo in the last 72 hours is £646
The fastest flight from Seattle to Cardiff takes 14h 35m
There are no direct flights from Seattle to Cardiff. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)

How to get the cheapest flight ticket from Seattle to Cardiff

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 Seattle to Cardiff flight route?

Seattle/Tacoma Intl - Cardiff Wales. Fly from Seattle/Tacoma Intl to Cardiff Wales for the best Seattle - Cardiff flight prices

When travelling from Seattle to Cardiff, the most popular airport to fly into is Cardiff Wales Airport. The majority of travellers flying into Cardiff Wales Airport from Seattle are departing from Seattle/Tacoma Intl Airport. You may be looking for an airport near Cardiff Wales Airport to land at when travelling from Seattle and Bristol Airport, located in Bristol is a great option. The least expensive flight option from Seattle to Cardiff will typically be SEA — CWL during the month of March with an average price of £604 RT.

Seattle/Tacoma Intl Airport (SEA) to Cardiff Wales Airport (CWL)£604
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Seattle/Tacoma Intl Airport (SEA) to Bristol Airport (BRS)£651
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Easily compare return flights from Seattle to Cardiff

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Cardiff by changing tabs
KLM
10 Sept
SEA18:10Seattle/Tacoma Intl
14h 35m
1 stop
CWL16:45Cardiff Wales
17 Sept
CWL17:15Cardiff Wales
25h 10m
1 stop
SEA10:25Seattle/Tacoma Intl
Delta
24 Sept
SEA00:30Seattle/Tacoma Intl
24h 45m
2 stops
CWL09:15Cardiff Wales
4 Oct
CWL09:45Cardiff Wales
18h 27m
2 stops
SEA20:12Seattle/Tacoma Intl
Air France
15 Jun
SEA13:30Seattle/Tacoma Intl
19h 15m
1 stop
CWL16:45Cardiff Wales
13 Sept
CWL17:15Cardiff Wales
25h 10m
1 stop
SEA10:25Seattle/Tacoma Intl
KLM
10 Sept
SEA08:05Seattle/Tacoma Intl
17h 10m
2 stops
CWL09:15Cardiff Wales
17 Sept
CWL17:15Cardiff Wales
25h 10m
1 stop
SEA10:25Seattle/Tacoma Intl
KLM
10 Sept
SEA08:05Seattle/Tacoma Intl
17h 10m
2 stops
CWL09:15Cardiff Wales
17 Sept
CWL09:45Cardiff Wales
20h 11m
2 stops
SEA21:56Seattle/Tacoma Intl
Delta
24 Sept
SEA00:30Seattle/Tacoma Intl
24h 45m
2 stops
CWL09:15Cardiff Wales
4 Oct
CWL09:45Cardiff Wales
15h 05m
1 stop
SEA16:50Seattle/Tacoma Intl

Delta flights from Seattle to Cardiff

Our best Delta deals on Seattle to Cardiff flight tickets
Delta
24 Sept
SEA00:30Seattle/Tacoma Intl
24h 45m
2 stops
CWL09:15Cardiff Wales
4 Oct
CWL09:45Cardiff Wales
18h 27m
2 stops
SEA20:12Seattle/Tacoma Intl
Delta
24 Sept
SEA00:30Seattle/Tacoma Intl
24h 45m
2 stops
CWL09:15Cardiff Wales
4 Oct
CWL09:45Cardiff Wales
15h 05m
1 stop
SEA16:50Seattle/Tacoma Intl

KLM flights from Seattle to Cardiff

Our best KLM deals on Seattle to Cardiff flight tickets
KLM
10 Sept
SEA18:10Seattle/Tacoma Intl
14h 35m
1 stop
CWL16:45Cardiff Wales
17 Sept
CWL17:15Cardiff Wales
25h 10m
1 stop
SEA10:25Seattle/Tacoma Intl
KLM
10 Sept
SEA08:05Seattle/Tacoma Intl
17h 10m
2 stops
CWL09:15Cardiff Wales
17 Sept
CWL17:15Cardiff Wales
25h 10m
1 stop
SEA10:25Seattle/Tacoma Intl
KLM
10 Sept
SEA08:05Seattle/Tacoma Intl
17h 10m
2 stops
CWL09:15Cardiff Wales
17 Sept
CWL09:45Cardiff Wales
20h 11m
2 stops
SEA21:56Seattle/Tacoma Intl

  • How far is Seattle/Tacoma Intl to Cardiff Wales by plane?

    Seattle/Tacoma Intl and Cardiff Wales are 4700.6 mi apart from one another. Typically, this will take 14h 35m by plane in normal conditions.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Cardiff Wales Airport refresh daily.

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

    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 Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The necessary travel and health documents for your Cardiff Wales Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Similar Seattle to Cardiff flights

Flexible with your destination? Broaden your search and find flights similar to your Seattle to Cardiff route

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from Seattle.

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

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

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

Once all potential Seattle to Cardiff flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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


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