Find flights
When to book
FAQs

Cheap flights from London City Airport to Seattle from £426

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Round-trip from

£502

One-way from

£426

Popular in

July

Cheapest in

January

Average price

£544
Virgin Atlantic
  • Virgin Atlantic
  • 12/1-20/1
  • 3 total stops
  • 38h 16m total
  • London to Seattle
Search Deals
Lufthansa
  • Lufthansa
  • 24/4
  • 1 total stop
  • 25h 10m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from London City to Seattle

Enter your travel dates to find the best prices.

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 14 November 2025.

Fri 5/1207:45LCY - SEA
2 stops20h 51mVirgin Atlantic
Sun 7/1215:05SEA - LCY
1 stop19h 20mVirgin Atlantic
Deal found 12/11£555
Thu 4/1210:00LCY - SEA
1 stop33h 50mDelta
Mon 8/1215:05SEA - LCY
1 stop34h 25mDelta
Deal found 12/11£564
Thu 4/1209:20LCY - SEA
1 stop34h 30mVirgin Atlantic
Mon 8/1215:05SEA - LCY
1 stop17h 30mVirgin Atlantic
Deal found 13/11£565
Sat 6/1208:35LCY - SEA
2 stops22h 40mSWISS
Tue 6/111:00SEA - LCY
2 stops41h 55mSWISS
Deal found 13/11£644
Thu 4/1209:15LCY - SEA
2 stops22h 00mSWISS
Tue 6/111:00SEA - LCY
2 stops41h 55mSWISS
Deal found 12/11£646
Thu 4/1209:40LCY - SEA
2 stops30h 44mMultiple Airlines
Fri 12/1207:00SEA - LCY
2 stops20h 40mMultiple Airlines
Deal found 12/11£647
Tue 16/1209:15LCY - SEA
2 stops22h 00mSWISS
Tue 6/111:00SEA - LCY
2 stops41h 55mSWISS
Deal found 12/11£655

Cheapflights Fare Finder

 
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 14 November 2025.
Use the filters below to find and compare flights from London City Airport to Seattle that are best for you.

Fly from

London City

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 2/2

08:40-20:46

2 stops20h 06m

Seattle/Tacoma Intl

Tue 10/2

07:10-08:10

2 stops17h 00m

£518

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/1

20:05-11:50

1 stop23h 45m

Seattle/Tacoma Intl

Thu 22/1

15:10-16:35

1 stop17h 25m

£519

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 13/3

20:05-12:35

1 stop23h 30m

Seattle/Tacoma Intl

Tue 14/4

15:35-16:40

2 stops17h 05m

£548

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 4/12

10:00-11:50

1 stop33h 50m

Seattle/Tacoma Intl

Mon 8/12

15:05-09:30

1 stop34h 25m

£564

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 19/3

10:00-22:05

2 stops19h 05m

Seattle/Tacoma Intl

Sun 5/4

07:20-08:50

2 stops17h 30m

£571

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 19/3

10:00-22:00

2 stops19h 00m

Seattle/Tacoma Intl

Mon 6/4

09:55-09:30

2 stops15h 35m

£571

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 5/12

20:05-11:50

1 stop23h 45m

Seattle/Tacoma Intl

Sun 7/12

15:05-16:35

1 stop17h 30m

£572

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 4/12

09:20-11:50

1 stop34h 30m

Seattle/Tacoma Intl

Mon 8/12

15:05-18:25

1 stop19h 20m

£574

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 2/5

09:25-22:29

2 stops21h 04m

£448

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 5/1

15:30-22:07

2 stops38h 37m

£457

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 19 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.

Cheapflights Insights

Everything you need to know about your flight from London City Airport to Seattle

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 14 November 2025.

A simple way to save on the total cost of your ticket is to fly from London City Airport to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the evening.

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.

  • How long is the flight from London City Airport to Seattle?

    Virgin Atlantic and Delta can get you from London City Airport to Seattle in just under 20h 06m. Your travel time can differ by up to 13h 44m. Airlines will cover a distance of 4794 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

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

How does Cheapflights help users find flights from London City to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London City to Seattle. 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 London City to Seattle?

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 Seattle from London City.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.