Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Cheap Flights from Seattle to Cardiff, GB, United Kingdom - SEA to CWL Last modified: May 31, 2016 7:50 AM

Popular flights from Seattle to Cardiff Last modified: May 31, 2016 7:50 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Aer Lingus
Departure Date Return Date Lowest Price
Sep 23, 2016 Sep 26, 2016 $1,000
Air Berlin
Departure Date Return Date Lowest Price
Jul 29, 2016 Aug 6, 2016 $7,686
Air France
Departure Date Return Date Lowest Price
Sep 23, 2016 Sep 26, 2016 $1,372
British Airways
Departure Date Return Date Lowest Price
Sep 23, 2016 Sep 26, 2016 $1,429
Finnair
Departure Date Return Date Lowest Price
Jul 29, 2016 Aug 6, 2016 $3,326
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Jul 29, 2016 Aug 6, 2016 $3,342
United Airlines
Departure Date Return Date Lowest Price
Sep 23, 2016 Sep 26, 2016 $1,273
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
Jul 29, 2016 Aug 6, 2016 $3,154

How Much Does it Cost to Fly from Seattle to Cardiff (SEA to CWL)?

We have collected flight cost data from across the web for travel from Seattle to Cardiff, and have found the average flight price for this trip to be $1,807.

When Can I Buy the Cheapest Flight from Seattle to Cardiff (SEA to CWL)?

Airlines can adjust prices for plane tickets from Seattle to Cardiff based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Airports for Your Route

These pages contain information about the major airports in Seattle and Cardiff, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Dublin American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $616
Seattle to Amsterdam American, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $713
Seattle to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, BMI, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic $772
Seattle to Birmingham American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $974
Seattle to Manchester American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $733
Seattle to Glasgow American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, Brussels, United, Virgin Atlantic $761
Seattle to Shannon American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, United, Virgin Atlantic $660
Seattle to Edinburgh American, Air Berlin, Air France, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $755
Seattle to Barcelona American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $692
Seattle to Madrid American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $697
Seattle to Brussels American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $779

Cheap International Flights to Cardiff - CWL

FlightsAirlineLowest Price
Vancouver to Cardiff Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Air Malta, Lufthansa, Brussels, Tap Portugal, Air Transat, WestJet $1,134
Vancouver to Paris Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Corsair, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $524
Portland to Bristol American, Air France, Finnair, British Airways, BMI Regional, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United $1,080
Portland to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $742
Vancouver to Manchester Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $660
Vancouver to Amsterdam Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $576
Portland to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $755
Vancouver to Dublin Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $583
Vancouver to Birmingham Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SAS, Brussels, Air Transat, WestJet $732
Portland to Amsterdam American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $713
Portland to Dublin American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, SAS, Brussels, United, Virgin Atlantic $628
Bellingham to London American, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Thomas Cook, SAS, United, Virgin Atlantic $803
Vancouver to Frankfurt Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $750
Victoria to London Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, SATA, Brussels, Air Transat, Virgin Atlantic, WestJet $629
Portland to Manchester American, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $767
Pasco to London American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, Czech, Brussels, United, Virgin Atlantic $868
Portland to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Virgin Atlantic $777
Victoria to Paris Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $664
Vancouver to Glasgow Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Brussels, Air Transat, Air Europa, Virgin Atlantic, WestJet $666
Cheap Flights from Seattle to Cardiff, GB, United Kingdom, from $1,000 Round trip from SEA to CWL