Question 1

What are the most popular routes to and from Cardiff?

Accepted Answer

Travelers frequently search for route combinations, such as Cardiff and Alicante, Málaga, Belfast, Dublin, Edinburgh, Rhodes, Washington, D.C., Ibiza, Madrid, Nice, Glasgow, Lanzarote, Las Palmas, Bangkok, Kraków, Sharm El Sheikh, Oujda, Orlando, Calgary, Las Vegas.

Question 2

What are the most popular routes to and from Seattle?

Accepted Answer

Travelers frequently search for route combinations, such as Seattle and London, New York, Calgary, Los Angeles, Mexico City, Guadalajara, San Francisco, Las Vegas, Phoenix, Manchester, Edinburgh, Ontario, Chicago, Denver, San Diego, Dallas, Boston, Washington, D.C., Salt Lake City, Toronto.

Question 3

What airports are near Cardiff?

Accepted Answer

The main airport in Cardiff is Cardiff. It is also served by Gatwick, Heathrow, London Stansted, Luton, Manchester, Birmingham, Bristol, Liverpool John Lennon, East Midlands, Bournemouth.

Question 4

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Pangborn Memorial, Yakima Air Terminal.

Question 5

Which airlines fly between Cardiff and Seattle?

Accepted Answer

Currently, you can fly between Cardiff and Seattle with Ryanair, Alaska Airlines, WestJet, KLM Royal Dutch Airlines, JetBlue Airways.

Question 6

When’s the best time to travel between Cardiff and Seattle?

Accepted Answer

If you don’t have specific dates for your trip between Cardiff and Seattle, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 7

What flights operate between Cardiff and Seattle?

Accepted Answer

Traveling between Cardiff and Seattle, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 8

How many airports are there near Cardiff?

Accepted Answer

There are a number of airports in and around Cardiff. The main one is Cardiff and other nearby airports include Gatwick, Heathrow, London Stansted, Luton, Manchester, Birmingham, Bristol, Liverpool John Lennon, East Midlands, Bournemouth

Question 9

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Pangborn Memorial, Yakima Air Terminal.

Question 10

What time do nonstop (direct) flights between Cardiff and Seattle depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Cardiff, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 11

What time do nonstop (direct) flights between Cardiff and Seattle arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 12

What time do flights between Cardiff and Seattle depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Cardiff, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 13

What time do flights between Cardiff and Seattle arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£488
Cheapest round-trip	£816
Includes rare itinerary	Travel hack
Most popular airline	Ryanair

Transport Option	Typical Time	Typical Cost	Frequency	Best For
Link Light Rail (1 Line)	35-45 min	$3 – $3.25; fare to downtown stations	every 6–15 min (traffic dependent)	budget travelers to downtown
Sound Transit Express Bus 560	45-70 min	$2.75 – $3.25; varies by destination zone	every 15–30 min (traffic dependent)	Bellevue and Eastside
King County Metro Bus	50-80 min	$2.75; flat fare	every 15–30 min (traffic dependent)	local connections
Taxi	25-50 min	$45 – $65; metered; flat rate to downtown available	on-demand 24/7 (traffic dependent)	door-to-door convenience
Ride-hailing (Uber/Lyft)	25-50 min	$35 – $60; surge pricing may apply	on-demand 24/7 (traffic dependent)	flexible pickup locations
Private Transfer / Shuttle	25-50 min	$50 – $100; pre-booked; varies by provider	by reservation (traffic dependent)	groups and guaranteed pickup
Rental Car	25-50 min	$40 – $100; per day; varies by vehicle and provider	24/7 availability (traffic dependent)	exploring beyond Seattle

Month	Average monthly max temperature	Average monthly min temperature
January	7°C	2°C
February	8°C	2°C
March	10°C	3°C
April	13°C	5°C
May	18°C	8°C
June	21°C	10°C
July	25°C	13°C
August	25°C	14°C
September	22°C	11°C
October	15°C	8°C
November	10°C	4°C
December	6°C	2°C

Cheap flights from Cardiff to Seattle from £488

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Name	Carrier code	IATA Code	Passport needed during booking
Ryanair	RYR	FR	No
Alaska Airlines	ASA	AS	No
WestJet	WJA	WS	No
KLM Royal Dutch Airlines	KLM	KL	No
JetBlue Airways	JBU	B6	No