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Cheap flights from London City Airport to Seattle from £504

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 27/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
26 Feb — 5 Mar1
1 adult

Cheap flight deals from London City to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£536

One-way from

£504

Popular in

August

Cheapest in

January

Average price

£524
17/3-23/3
  • 17/3-23/3
  • 4 total stops
  • 38h 45m total
  • London to Seattle
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17/3
  • 17/3
  • 1 total stop
  • 30h 00m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£87 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Find flight deals from London City to Seattle

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

Thu 24/419:10LCY - SEA
1 stop25h 15mLufthansa
Mon 28/414:15SEA - LCY
1 stop18h 10mLufthansa
Deal found 19/2£513
Mon 3/310:00LCY - SEA
2 stops20h 25mVirgin Atlantic
Mon 17/315:15SEA - LCY
1 stop20h 10mVirgin Atlantic
Deal found 19/2£532
Mon 17/309:15LCY - SEA
2 stops19h 15mMultiple Airlines
Sun 23/306:05SEA - LCY
2 stops19h 30mMultiple Airlines
Deal found 20/2£536
Mon 17/319:10LCY - SEA
2 stops34h 43mSWISS
Mon 31/312:55SEA - LCY
2 stops20h 35mSWISS
Deal found 20/2£539
Thu 24/410:00LCY - SEA
1 stop14h 00mKLM
Mon 28/418:10SEA - LCY
1 stop14h 30mKLM
Deal found 19/2£550
Thu 17/408:40LCY - SEA
1 stop15h 20mDelta
Thu 8/518:10SEA - LCY
1 stop14h 30mDelta
Deal found 20/2£606
Wed 12/309:10LCY - SEA
1 stop17h 05mBritish Airways
Wed 19/321:00SEA - LCY
1 stop13h 30mBritish Airways
Deal found 19/2£615
Sun 13/417:00LCY - SEA
2 stops37h 44mITA Airways
Tue 22/407:18SEA - LCY
2 stops24h 57mITA Airways
Deal found 19/2£705
Mon 24/306:50LCY - SEA
1 stop19h 25mAer Lingus
Sat 29/323:49SEA - LCY
2 stops26h 31mAer Lingus
Deal found 20/2£715

Find flights from London City to Seattle within your budget

Customise your flight search to find flights from London City to Seattle 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

London City

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 17/3

09:15-21:30

2 stops19h 15m

Seattle/Tacoma Intl

Sun 23/3

06:05-08:35

2 stops19h 30m

£536

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 17/3

19:10-22:53

2 stops34h 43m

Seattle/Tacoma Intl

Mon 31/3

12:55-17:30

2 stops20h 35m

£539

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 22/4

19:00-11:45

1 stop24h 45m

Seattle/Tacoma Intl

Tue 29/4

18:10-16:40

1 stop14h 30m

£540

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 17/4

08:40-16:00

1 stop15h 20m

Seattle/Tacoma Intl

Thu 8/5

18:10-16:40

1 stop14h 30m

£606

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 9/4

10:00-16:00

1 stop14h 00m

Seattle/Tacoma Intl

Tue 15/4

18:10-16:40

1 stop14h 30m

£613

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 12/3

09:10-19:15

1 stop17h 05m

Seattle/Tacoma Intl

Wed 19/3

21:00-17:30

1 stop13h 30m

£615

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/6

17:00-11:55

1 stop26h 55m

Seattle/Tacoma Intl

Sun 8/6

19:15-16:25

2 stops37h 10m

£676

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 24/3

06:50-19:15

1 stop19h 25m

Seattle/Tacoma Intl

Sat 29/3

23:49-08:30

2 stops24h 41m

£715

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 4/8

16:50-20:22

2 stops35h 32m

Seattle/Tacoma Intl

Mon 18/8

22:55-10:05

2 stops27h 10m

£1,091

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 27/3

17:00-14:25

1 stop28h 25m

£504

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 16 results
1
2

Best time to book a flight from London City to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from London City 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 London City to Seattle

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

What is the cheapest time of day to fly from LCY to SEA?

Find hourly flight availability from London City to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London City Airport to Seattle as you normally would.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 21 February 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS from London to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,217 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,069 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London City to Seattle. 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 into for flights to Seattle from London City?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from London City to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from London City on a regular basis. Booking flights from London City to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from London City per day.

  • What are the cheapest airlines flying from London City Airport to Seattle round-trip?

    Our cheapest airline available from London City Airport to Seattle is SWISS. Our recent data shows that you can find tickets from as low as £539 on this airline. Additional options worth looking into are Virgin Atlantic and Delta, starting at £540 and £606 round-trip.

  • What are the cheapest airlines to fly from London City Airport to Seattle one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at £532. Aer Lingus flights start at £671 while deals on SWISS start at £688 one-way.

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

    Yes. In addition to deals on London City to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London City to Seattle?

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

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

    Yes. Cheapflights offers flight deals from London City to Seattle 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 London City Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from London City Airport to Seattle (average of £622). Flying from London City Airport to Seattle in July is currently the most expensive (average of £946). 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

Travelling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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