US$604️ Cheap Flights from Seattle to Cardiff (2024)

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Find cheap one-way flights from Seattle to Cardiff starting at CNY 604.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Seattle to Cardiff?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Seattle to Cardiff

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

KLM

From US$604

Alaska Airlines

From US$626

Air Tahiti Nui

From US$766

Virgin Atlantic

From US$798

United Airlines

From US$888

Air Canada

From US$959

WestJet

From US$967

Delta Air Lines

From US$1,013

Air France

From US$1,090

Iberia

From US$1,872

ANA airlines

Find more flights and airlines

Find cheap flights from Seattle to Cardiff by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to Cardiff.

Cheapest
SEA
18:10
14h 35m
1 transfer
CWL
16:45
Seattle-Tacoma International Airport - Cardiff Airport
Wed, May 1KLM Royal Dutch Airlines
US$604
SEA
18:10
14h 35m
1 transfer
CWL
16:45
Seattle-Tacoma International Airport - Cardiff Airport
Wed, May 1KLM Royal Dutch Airlines
US$604
Find More Flights

Frequently Asked Questions

When are flight tickets from Seattle (SEA) to Cardiff (CWL) the cheapest?
Airlines adjust prices for flights from Seattle to Cardiff based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Seattle (SEA) to Cardiff (CWL) cost?
According to Trip.com's data, the lowest price is around $2,302.
What is the transportation method from the main airport to downtown in Cardiff?
- The distance from Cardiff Airport to downtown is about 15km. It takes about 30 minutes by taxi.

How to find a cheap flight from Seattle to Cardiff

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Cardiff. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

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