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Cheap flights from London City Airport to Seattle from £420

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
7 dic — 14 dic1
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 7 novembre 2025.

Round-trip from

£477

One-way from

£420

Popular in

July

Cheapest in

January

Average price

£547
Virgin Atlantic
  • Virgin Atlantic
  • 10/1-25/1
  • 4 total stops
  • 46h 36m total
  • London to Seattle
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28/1
  • 28/1
  • 1 total stop
  • 26h 00m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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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 7 novembre 2025.

lun 15/1207:45LCY - SEA
2 stops24h 39mVirgin Atlantic
gio 15/106:05SEA - LCY
2 stops26h 30mVirgin Atlantic
Deal found 6/11£515
mer 26/1108:40LCY - SEA
2 stops23h 21mVirgin Atlantic
lun 1/1215:05SEA - LCY
1 stop18h 15mVirgin Atlantic
Deal found 6/11£557
lun 15/1207:45LCY - SEA
2 stops20h 50mVirgin Atlantic
gio 8/106:05SEA - LCY
2 stops18h 05mVirgin Atlantic
Deal found 5/11£564
mer 3/1209:50LCY - SEA
2 stops21h 25mMultiple Airlines
mer 10/1215:25SEA - LCY
2 stops18h 15mMultiple Airlines
Deal found 5/11£574
gio 13/1108:40LCY - SEA
1 stop35h 05mDelta
lun 17/1109:43SEA - LCY
2 stops22h 52mDelta
Deal found 4/11£590
lun 15/1218:15LCY - SEA
1 stop25h 55mLufthansa
gio 15/114:00SEA - LCY
1 stop19h 40mLufthansa
Deal found 6/11£591
gio 13/1109:20LCY - SEA
1 stop34h 25mVirgin Atlantic
lun 17/1107:20SEA - LCY
2 stops17h 30mVirgin Atlantic
Deal found 5/11£601
dom 16/1120:05LCY - SEA
2 stops27h 30mVirgin Atlantic
dom 30/1115:00SEA - LCY
1 stop20h 35mVirgin Atlantic
Deal found 5/11£616

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 7 novembre 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

dom 11/1

17:50-16:38

2 stops30h 48m

Seattle/Tacoma Intl

dom 25/1

15:10-16:35

1 stop17h 25m

£499

LondonSeattle

LCY - SEA

LCYSEA

London City

mar 10/3

20:05-12:35

1 stop23h 30m

Seattle/Tacoma Intl

mar 17/3

09:55-09:30

2 stops16h 35m

£527

LondonSeattle

LCY - SEA

LCYSEA

London City

ven 23/1

08:40-20:46

2 stops20h 06m

Seattle/Tacoma Intl

ven 30/1

06:05-09:30

2 stops19h 25m

£541

LondonSeattle

LCY - SEA

LCYSEA

London City

mar 24/2

10:00-21:55

2 stops19h 55m

Seattle/Tacoma Intl

mar 3/3

15:05-17:20

1 stop18h 15m

£551

LondonSeattle

LCY - SEA

LCYSEA

London City

lun 9/2

09:50-00:56

2 stops23h 06m

Seattle/Tacoma Intl

lun 23/2

07:00-12:55

2 stops21h 55m

£552

LondonSeattle

LCY - SEA

LCYSEA

London City

mer 8/4

17:50-11:35

1 stop25h 45m

Seattle/Tacoma Intl

mer 22/4

17:35-16:40

1 stop15h 05m

£554

LondonSeattle

LCY - SEA

LCYSEA

London City

mer 26/11

08:40-00:01

2 stops23h 21m

Seattle/Tacoma Intl

lun 1/12

15:05-17:20

1 stop18h 15m

£557

LondonSeattle

LCY - SEA

LCYSEA

London City

ven 13/2

20:05-11:40

1 stop23h 35m

Seattle/Tacoma Intl

gio 19/2

09:55-09:30

2 stops15h 35m

£567

LondonSeattle

LCY - SEA

LCYSEA

London City

mer 28/1

18:10-12:10

1 stop26h 00m

£420

LondonSeattle

LCY - SEA

LCYSEA

London City

sab 21/2

12:15-22:43

3 stops42h 28m

£438

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 19 results
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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 7 novembre 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 can get you from London City Airport to Seattle in just under 30h 48m. Your travel time can differ by up to . Airlines will cover a distance of 4794 mi.

  • 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

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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!

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