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Cheap flights from Seattle to Wales from £246

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CWL
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Seattle to Wales

Keep the following information in mind while searching for Seattle to Wales flight deals. Data was last updated 21 February 2025.

Round-trip from

£440

One-way from

£246

Popular in

June

Cheapest in

April
Icelandair
  • Icelandair
  • 2/5-7/5
  • 2 total stops
  • 48h 15m total
  • Seattle to Wales
Search Deals
Icelandair
  • Icelandair
  • 7/7
  • 1 total stop
  • 32h 40m total
  • Seattle to Wales
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£178 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£40 potential savings vs. average return price).
Search Deals

Find flight deals from Seattle to Wales

Cheapest flights from Seattle to Wales
Explore the most affordable flight options available from Seattle to Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Fri 2/519:00SEA - MAN
1 stop32h 40mIcelandair
Wed 7/513:05MAN - SEA
1 stop15h 35mIcelandair
Deal found 20/2£440
Wed 19/307:15SEA - MAN
1 stop16h 45mDelta
Wed 26/312:00MAN - SEA
1 stop17h 22mDelta
Deal found 20/2£483
Tue 7/1020:20SEA - MAN
1 stop14h 45mBritish Airways
Wed 5/1107:50MAN - SEA
1 stop17h 05mBritish Airways
Deal found 21/2£484
Thu 6/313:35SEA - MAN
1 stop23h 55mVirgin Atlantic
Sun 9/314:00MAN - SEA
1 stop27h 45mVirgin Atlantic
Deal found 20/2£487
Mon 7/420:20SEA - MAN
1 stop17h 20mMultiple Airlines
Mon 14/419:45MAN - SEA
1 stop23h 25mMultiple Airlines
Deal found 21/2£492
Wed 2/413:25SEA - MAN
2 stops15h 45mAmerican Airlines
Tue 15/407:00MAN - SEA
1 stop12h 10mAmerican Airlines
Deal found 20/2£494
Thu 3/408:15SEA - MAN
2 stops17h 40mUnited Airlines
Thu 10/406:05MAN - SEA
1 stop14h 20mUnited Airlines
Deal found 21/2£525
Fri 25/418:50SEA - MAN
1 stop14h 10mLufthansa
Thu 12/606:05MAN - SEA
1 stop13h 50mLufthansa
Deal found 21/2£569
Mon 7/406:00SEA - BRS
2 stops30h 35mMultiple Airlines
Mon 14/413:30BRS - SEA
2 stops30h 55mMultiple Airlines
Deal found 21/2£637
Mon 7/717:40SEA - MAN
1 stop15h 25mFinnair
Thu 17/710:05MAN - SEA
1 stop13h 55mFinnair
Deal found 20/2£652
Mon 21/418:10SEA - BRS
1 stop14h 50mDelta
Tue 29/406:20BRS - SEA
1 stop13h 25mDelta
Deal found 20/2£673
Mon 7/414:10SEA - BRS
1 stop15h 05mKLM
Mon 14/417:35BRS - SEA
1 stop26h 10mKLM
Deal found 21/2£675

Find flights from Seattle to Wales within your budget

Customise 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 858,174 searches. Data last updated 21 February 2025.

Fly from

Seattle

Fly to

Wales

Route

Depart

Return

Price

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 2/5

19:00-11:40

1 stop32h 40m

Manchester

Wed 7/5

13:05-20:40

1 stop15h 35m

£440

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 19/3

07:15-07:00

1 stop16h 45m

Manchester

Wed 26/3

12:00-22:22

1 stop17h 22m

£483

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 6/3

13:35-21:30

1 stop23h 55m

Manchester

Sun 9/3

14:00-10:45

1 stop27h 45m

£487

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 19/3

07:00-11:00

2 stops21h 00m

Manchester

Wed 26/3

09:50-17:55

1 stop15h 05m

£491

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 7/4

20:20-21:40

1 stop17h 20m

Manchester

Mon 14/4

19:45-11:10

1 stop23h 25m

£492

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Wed 2/4

13:25-13:10

2 stops15h 45m

Manchester

Tue 15/4

07:00-11:10

1 stop12h 10m

£494

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Thu 3/4

08:15-09:55

2 stops17h 40m

Manchester

Thu 10/4

06:05-12:25

1 stop14h 20m

£525

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Fri 25/4

18:50-17:00

1 stop14h 10m

Manchester

Thu 12/6

06:05-11:55

1 stop13h 50m

£569

SeattleBristol

SEA - BRS

SEABRS

Seattle/Tacoma Intl

Mon 7/4

06:00-20:35

2 stops30h 35m

Bristol

Mon 14/4

13:30-12:25

2 stops30h 55m

£637

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Mon 7/7

17:40-17:05

1 stop15h 25m

Manchester

Thu 17/7

10:05-16:00

1 stop13h 55m

£652

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 30 results
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Best time to book a flight from Seattle to Wales

Have a flexible travel schedule? Discover the best time to fly to Wales from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Wales

Get recent, data-driven insights about flights from Seattle to Wales including ideal travel times, pricing trends, and more.

Rainfall in Wales by month

Plan your trip to Wales by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wales ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Wales when rainfall is around 50.0 mm.

Temperature in Wales by month

Plan your trip to Wales by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wales, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 21 February 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Seattle to Wales. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,213 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    For a flight from Seattle to Wales, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

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

    One-way options have recently been found by users for as low as £246 on Icelandair. Other airlines that offer cheap prices include Air Canada from £371 and Delta from £372 one-way.

  • What are the most popular routes from Seattle to Wales?

    When deciding which route to take from Seattle to Wales consider Seattle/Tacoma Intl - Manchester, Seattle/Tacoma Intl - Bristol or Seattle/Tacoma Intl - Cardiff Wales as they are the most popular.

  • 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 holiday 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.

  • What is the cheapest month to book a flight from Seattle to Wales?

    Currently, July is the cheapest month in which you can book a flight from Seattle to Wales (average of £169). Flying from Seattle to Wales in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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Fly with Cheapflights

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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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Wales from Seattle.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Wales, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Seattle to Wales flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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