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Cheap flights from Seattle (SEA) to Wales from $532

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — CWL
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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What is the cheapest month to fly from Seattle to Wales?

December is one of the best times of the year to fly to Wales from Seattle. Prices for December average $1,108 per person but you can even find prices for as low as $783. The most expensive prices can be found in the month of June. Opting for a December flight can save you 49% on your journey compared to booking in June

When is the cheapest time to fly from Seattle to Wales (SEA - WLS)?

When flying from Seattle to Wales, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from Seattle to Wales

Explore cheap flight options specifically provided by Delta for the route between Seattle and Wales. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Take a look at some of the lowest-priced Delta flights heading from Seattle to Wales. Make sure to check back often as deals are often changing.
Wed 10/303:35 pmSEA - CWL
1 stop35h 10mDelta
Sun 11/310:15 amCWL - SEA
1 stop32h 00mDelta
Deal found 5/7$920
Tue 10/2912:35 amSEA - CWL
2 stops26h 10mDelta
Sun 11/310:15 amCWL - SEA
1 stop32h 00mDelta
Deal found 5/7$924
Fri 8/236:30 amSEA - CWL
2 stops18h 45mDelta
Sat 8/319:45 amCWL - SEA
2 stops20h 33mDelta
Deal found 5/7$960
Thu 8/2212:30 amSEA - CWL
2 stops24h 45mDelta
Sat 8/319:45 amCWL - SEA
2 stops20h 13mDelta
Deal found 5/7$971
Tue 10/2912:35 amSEA - CWL
2 stops26h 10mDelta
Sun 11/310:15 amCWL - SEA
2 stops21h 16mDelta
Deal found 5/7$1,008
Fri 8/236:30 amSEA - CWL
2 stops18h 45mDelta
Sat 8/319:45 amCWL - SEA
1 stop14h 50mDelta
Deal found 5/7$1,024
Thu 8/2212:30 amSEA - CWL
2 stops24h 45mDelta
Sat 8/319:45 amCWL - SEA
1 stop14h 50mDelta
Deal found 5/7$1,035

Cheap KLM flights from Seattle to Wales

Explore cheap flight options specifically provided by KLM for the route between Seattle and Wales. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Some of the best deals we've found on KLM flights traveling from Seattle to Wales. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 10/306:30 amSEA - CWL
2 stops20h 15mKLM
Sun 11/35:25 pmCWL - SEA
2 stops36h 55mKLM
Deal found 5/7$980
Sun 5/268:35 amSEA - CWL
2 stops16h 40mKLM
Sat 6/155:15 pmCWL - SEA
1 stop25h 05mKLM
Deal found 5/8$1,058
Sun 5/268:35 amSEA - CWL
2 stops16h 40mKLM
Sat 6/159:45 amCWL - SEA
2 stops20h 14mKLM
Deal found 5/8$1,068
Sat 6/157:10 amSEA - CWL
2 stops18h 05mKLM
Fri 9/139:45 amCWL - SEA
2 stops20h 11mKLM
Deal found 5/8$1,071
Sat 6/157:10 amSEA - CWL
2 stops18h 05mKLM
Fri 9/135:15 pmCWL - SEA
1 stop25h 10mKLM
Deal found 5/8$1,111
Sun 5/266:10 pmSEA - CWL
1 stop14h 35mKLM
Sun 6/165:15 pmCWL - SEA
1 stop25h 05mKLM
Deal found 5/8$1,129
Sun 5/267:45 amSEA - CWL
2 stops17h 30mKLM
Sun 6/169:45 amCWL - SEA
2 stops18h 52mKLM
Deal found 5/8$1,154
Sat 6/156:05 pmSEA - CWL
1 stop14h 40mKLM
Fri 9/135:15 pmCWL - SEA
1 stop25h 10mKLM
Deal found 5/8$1,157
Fri 8/231:30 pmSEA - CWL
1 stop19h 15mKLM
Sat 8/315:15 pmCWL - SEA
1 stop25h 10mKLM
Deal found 5/7$1,362

Cheap Seattle to Wales flights in May & June 2024

Find cheap flight options from Seattle to Wales specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 9, 2024.
Scroll through some of the best deals on flights from Seattle to Wales in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 5/268:35 amSEA - CWL
2 stops16h 40mKLM
Sat 6/155:15 pmCWL - SEA
1 stop25h 05mKLM
Deal found 5/8$1,058
Sun 5/268:35 amSEA - CWL
2 stops16h 40mKLM
Sat 6/159:45 amCWL - SEA
2 stops20h 14mKLM
Deal found 5/8$1,068
Sat 6/157:10 amSEA - CWL
2 stops18h 05mKLM
Fri 9/139:45 amCWL - SEA
2 stops20h 11mKLM
Deal found 5/8$1,071
Sat 6/157:10 amSEA - CWL
2 stops18h 05mKLM
Fri 9/135:15 pmCWL - SEA
1 stop25h 10mKLM
Deal found 5/8$1,111
Sun 5/266:10 pmSEA - CWL
1 stop14h 35mKLM
Sun 6/165:15 pmCWL - SEA
1 stop25h 05mKLM
Deal found 5/8$1,129
Sun 5/267:45 amSEA - CWL
2 stops17h 30mKLM
Sun 6/169:45 amCWL - SEA
2 stops18h 52mKLM
Deal found 5/8$1,154
Sat 6/156:05 pmSEA - CWL
1 stop14h 40mKLM
Fri 9/135:15 pmCWL - SEA
1 stop25h 10mKLM
Deal found 5/8$1,157
Sat 6/1510:59 pmSEA - CWL
3 stops60h 46mMultiple Airlines
Fri 9/1312:00 pmCWL - SEA
2 stops31h 35mMultiple Airlines
Deal found 5/8$6,766

Seattle to Wales 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Wales in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Scroll through some of the best deals on flights from Seattle to Wales in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 10/303:35 pmSEA - CWL
1 stop35h 10mDelta
Sun 11/310:15 amCWL - SEA
1 stop32h 00mDelta
Deal found 5/8$920
Tue 10/2912:35 amSEA - CWL
2 stops26h 10mDelta
Sun 11/310:15 amCWL - SEA
1 stop32h 00mDelta
Deal found 5/8$924
Fri 8/236:30 amSEA - CWL
2 stops18h 45mDelta
Sat 8/319:45 amCWL - SEA
2 stops20h 33mDelta
Deal found 5/7$960
Thu 8/2212:30 amSEA - CWL
2 stops24h 45mDelta
Sat 8/319:45 amCWL - SEA
2 stops20h 13mDelta
Deal found 5/7$971
Wed 10/306:30 amSEA - CWL
2 stops20h 15mKLM
Sun 11/35:25 pmCWL - SEA
2 stops36h 55mKLM
Deal found 5/8$980
Tue 10/2912:35 amSEA - CWL
2 stops26h 10mDelta
Sun 11/310:15 amCWL - SEA
2 stops43h 41mDelta
Deal found 5/8$1,008
Fri 8/236:30 amSEA - CWL
2 stops18h 45mDelta
Sat 8/319:45 amCWL - SEA
1 stop14h 50mDelta
Deal found 5/7$1,024
Thu 8/2212:30 amSEA - CWL
2 stops24h 45mDelta
Sat 8/319:45 amCWL - SEA
1 stop14h 50mDelta
Deal found 5/7$1,035
Sun 5/268:35 amSEA - CWL
2 stops16h 40mKLM
Sun 6/165:15 pmCWL - SEA
1 stop25h 05mKLM
Deal found 5/8$1,058

One-way flights to Wales from Seattle

Search for one-way flight options from Seattle to Wales. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Users traveling one-way from Seattle to Wales can select one of these great deals. For those needing a return trip from Seattle, there is a search form available above.
Fri 9/610:05 amSEA - CWL
3 stops41h 25mMultiple Airlines
Deal found 5/8$532
Fri 9/68:00 amSEA - CWL
2 stops17h 15mVirgin Atlantic
Deal found 5/8$648
Fri 9/66:10 pmSEA - CWL
1 stop14h 35mKLM
Deal found 5/8$660
Thu 9/512:30 amSEA - CWL
2 stops24h 45mDelta
Deal found 5/8$666

Find flights from Seattle to Wales within your budget

Customize your flight search to find flights from Seattle to Wales that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$920 - $1,071

Route

Depart

Return

Price

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Wed 10/30

1 stop35h 10m

Cardiff Wales

Sun 11/3

1 stop32h 00m

$920

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 10/29

2 stops26h 10m

Cardiff Wales

Sun 11/3

1 stop32h 00m

$924

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Fri 8/23

2 stops18h 45m

Cardiff Wales

Sat 8/31

2 stops20h 33m

$960

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Thu 8/22

2 stops24h 45m

Cardiff Wales

Sat 8/31

2 stops20h 13m

$971

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Wed 10/30

2 stops20h 15m

Cardiff Wales

Sun 11/3

2 stops36h 55m

$980

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Tue 10/29

2 stops26h 10m

Cardiff Wales

Sun 11/3

2 stops21h 16m

$1,008

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 5/26

2 stops16h 40m

Cardiff Wales

Sat 6/15

1 stop25h 05m

$1,058

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sun 5/26

2 stops16h 40m

Cardiff Wales

Sat 6/15

2 stops20h 14m

$1,068

Seattle/Tacoma IntlCardiff Wales

SEA - CWL

SEACWL

Seattle/Tacoma Intl

Sat 6/15

2 stops18h 05m

Cardiff Wales

Fri 9/13

2 stops20h 11m

$1,071

Flights are sorted by cheapest first

Deals found on 5/7

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Wales

Get insights into the airlines that provide service to Wales. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Wales. Reviews last updated May 9, 2024.
Read through reviews of airlines operating flights from Seattle to Wales, such as Delta and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.7
Good
739 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Wales. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Wales?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Wales from Seattle.

  • Can I find flights from Seattle to Wales for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Seattle to Wales for under $1,000. The cheapest flight booked recently is on Delta for just $920, but on average you can expect to pay $1,394.

  • What are the cheapest airlines to fly from Seattle to Wales one-way?

    For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as $648. Users have also found prices from $660 and $666 on KLM and Delta, respectively.

  • What does SEA to CWL mean?

    Great question - SEA to CWL just means Seattle/Tacoma Intl Airport to Cardiff Wales Airport. Now you’ll know what these unique codes when you look for flights! Swansea Fairwood Comm Airport (SWS), Holyhead Anglesey Airport (VLY) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Seattle to Wales that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Wales flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Wales with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Wales flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Wales that include hotel bookings?

    Yes. In addition to deals on Seattle to Wales flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Wales?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Wales.

  • Can I find deals for business class flights from Seattle to Wales?

    Yes. Cheapflights offers flight deals from Seattle to Wales by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Wales that allow pets onboard?

    Many airlines flying from Seattle to Wales offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Wales?

    Yes, you can often find last-minute deals on Seattle to Wales flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Wales flight deals updated?

    The Seattle to Wales flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for Seattle to Wales
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Seattle to Wales

Discover the top 2 airlines that operate flights from Seattle to Wales. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$708Average$1,060FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$765Average$1,022FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Seattle to Wales by cabin class

Find flights from Seattle to Wales, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Wales?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Wales. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Wales?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Wales for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Wales with no change fees?

Need flexible booking options for your flight to Wales from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Wales become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Wales flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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