Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Flights
Hotels
1 traveler
Unsupported Browser!
Find Flights

Cheap Flights from Cardiff to Seattle, WA, United States - CWL to SEA

Popular flights from Cardiff to Seattle

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
Aug 17, 2016 Sep 1, 2016 GBP812
Air France
Departure Date Return Date Lowest Price
Aug 17, 2016 Sep 1, 2016 GBP784
British Airways
Departure Date Return Date Lowest Price
Aug 17, 2016 Sep 1, 2016 GBP871

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

Airlines can adjust prices for plane tickets from Cardiff to Seattle 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 Cardiff and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Dublin to Seattle American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, SAS, United, Virgin Atlantic GBP465
Manchester to Seattle 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 GBP576
Birmingham to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, SAS, Brussels, United, Virgin Atlantic GBP676
Bristol to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, BMI Regional, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic GBP810
London to Portland American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Great Lakes GBP612
London to Calgary Aegean, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP283
London to Victoria Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP451
London to Edmonton Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP321
London to Las Vegas 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, Air Europa, Virgin Atlantic, Great Lakes GBP608
Dublin to Vancouver Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Arkefly, SATA, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet GBP427
Manchester to Vancouver Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP418
London to San Diego 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, Great Lakes GBP617
London to Denver American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Great Lakes GBP657
London to Phoenix 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, Air Europa, Virgin Atlantic GBP650
London to Spokane American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, United, Virgin Atlantic GBP682
Birmingham to Vancouver Aegean, Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Air Malta, Lufthansa, LOT, Czech, SAS, Brussels, Air Transat, WestJet GBP613
Dublin to Portland American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SAS, Brussels, United, Virgin Atlantic GBP501
London to Salt Lake City American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic GBP702
Manchester to Portland American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, SAS, Brussels, United, Virgin Atlantic GBP565
London to Detroit American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Austrian, TAROM, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic GBP628
Dublin to Victoria Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, Virgin Atlantic, WestJet GBP527
London to Bellingham American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, United Check Dates
London to Sacramento American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, Thomas Cook, SAS, Brussels, Tap Portugal, United, Virgin Atlantic GBP676
London to Minneapolis - St Paul American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Great Lakes GBP626
Manchester to Victoria Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, Air Transat, Virgin Atlantic, WestJet GBP743
Dublin to Los Angeles American, Air Berlin, Air France, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SAS, Brussels, United, Virgin Atlantic, FlexFlight GBP369
London to Kelowna Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, Air Transat, Virgin Atlantic, WestJet GBP534
London to Reno American, Air Berlin, Air France, Alaska, Finnair, British Airways, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, United, Virgin Atlantic GBP666
Birmingham to Portland American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SAS, Brussels, United, Virgin Atlantic GBP634
Dublin to San Francisco American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic, Virgin America, FlexFlight, Great Lakes GBP389
Cheap Flights from Cardiff to Seattle, WA, United States, from GBP1,148 Round trip from CWL to SEA