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Cheap flights from London City Airport to Seattle from £404

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — SEA
21 Nov — 28 Nov1
1 adult
1 adult, Economy

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 22 October 2025.

Round-trip from

£519

One-way from

£404

Popular in

July

Cheapest in

January

Average price

£542
Virgin Atlantic
  • Virgin Atlantic
  • 24/12-31/12
  • 3 total stops
  • 38h 30m total
  • London to Seattle
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SWISS
  • SWISS
  • 16/1
  • 2 total stops
  • 21h 18m 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 (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 22 October 2025.

Wed 24/1207:45LCY - SEA
2 stops21h 00mVirgin Atlantic
Wed 31/1215:05SEA - LCY
1 stop17h 30mVirgin Atlantic
Deal found 22/10£519
Wed 24/1220:05LCY - SEA
1 stop23h 45mKLM
Wed 31/1215:05SEA - LCY
1 stop17h 30mKLM
Deal found 22/10£530
Wed 10/1209:50LCY - SEA
2 stops23h 00mMultiple Airlines
Mon 15/1208:10SEA - LCY
2 stops20h 40mMultiple Airlines
Deal found 20/10£537
Mon 17/1109:15LCY - SEA
2 stops22h 29mSWISS
Mon 1/1210:53SEA - LCY
2 stops41h 57mSWISS
Deal found 20/10£541
Wed 26/1109:50LCY - SEA
2 stops23h 09mMultiple Airlines
Mon 1/1207:00SEA - LCY
2 stops21h 50mMultiple Airlines
Deal found 20/10£545
Mon 24/1109:50LCY - SEA
2 stops21h 54mMultiple Airlines
Mon 1/1215:37SEA - LCY
2 stops17h 03mMultiple Airlines
Deal found 21/10£548
Thu 20/1109:15LCY - SEA
2 stops21h 13mSWISS
Wed 3/1213:05SEA - LCY
2 stops20h 00mSWISS
Deal found 21/10£551
Thu 13/1108:40LCY - SEA
1 stop35h 05mVirgin Atlantic
Mon 17/1107:30SEA - LCY
2 stops28h 05mVirgin Atlantic
Deal found 21/10£557
Mon 15/1209:15LCY - SEA
2 stops19h 45mSWISS
Wed 14/112:35SEA - LCY
2 stops20h 30mSWISS
Deal found 20/10£557
Mon 17/1118:55LCY - SEA
1 stop24h 50mVirgin Atlantic
Mon 1/1215:05SEA - LCY
1 stop19h 20mVirgin Atlantic
Deal found 20/10£558
Thu 13/1109:20LCY - SEA
1 stop34h 25mDelta
Mon 17/1115:00SEA - LCY
1 stop34h 30mDelta
Deal found 19/10£559

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 22 October 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

Wed 24/12

08:40-20:45

2 stops20h 05m

Seattle/Tacoma Intl

Wed 31/12

08:05-09:10

2 stops17h 05m

£519

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 11/3

18:55-12:35

1 stop24h 40m

Seattle/Tacoma Intl

Tue 17/3

07:20-08:50

2 stops18h 30m

£523

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 11/3

09:50-20:46

2 stops17h 56m

Seattle/Tacoma Intl

Wed 18/3

12:20-17:40

2 stops22h 20m

£533

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 17/11

09:15-23:44

2 stops22h 29m

Seattle/Tacoma Intl

Mon 1/12

10:53-12:50

2 stops41h 57m

£541

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 26/11

09:50-00:59

2 stops23h 09m

Seattle/Tacoma Intl

Mon 1/12

07:00-12:50

2 stops21h 50m

£545

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 25/11

09:15-20:51

2 stops19h 36m

Seattle/Tacoma Intl

Mon 1/12

10:53-12:50

2 stops41h 57m

£548

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 20/11

09:15-22:28

2 stops21h 13m

Seattle/Tacoma Intl

Wed 3/12

13:05-17:05

2 stops20h 00m

£551

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 10/12

09:50-00:50

2 stops23h 00m

Seattle/Tacoma Intl

Mon 15/12

08:10-12:50

2 stops20h 40m

£555

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 20/2

09:20-21:01

2 stops19h 41m

£421

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 24/1

12:20-22:43

3 stops42h 23m

£422

Flights are sorted by cheapest return flights first.

Deals found on 22/10

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 22 October 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 SWISS can get you from London City Airport to Seattle in just under 20h 05m. Your travel time can differ by up to 2h 24m. 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

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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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