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

Our cheapest airline available from Seattle to London City Airport is KLM. Our recent data shows that you can find tickets from as low as £528 on this airline. Additional options worth looking into are SWISS and Virgin Atlantic, starting at £537 and £538 round-trip.

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

For one-way options, check prices for SWISS. According to our data, you can fly for as low as £354. Users have also found prices from £360 and £365 on Virgin Atlantic and Lufthansa, respectively.

What is the cheapest month to book a flight from Seattle to London City Airport?

Currently, February is the cheapest month in which you can book a flight from Seattle to London City Airport (average of £161). Flying from Seattle to London City Airport in August is currently the most expensive (average of £214). 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.

How far in advance should I book a flight from Seattle to London City Airport?

Travelers have found it’s best to book a flight 47 days in advance to save up to 48% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 47 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to London City Airport 1-2 weeks in advance for as low as £713, or £782 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to London City Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to London City Airport. Flights to London City Airport from Seattle in January are about £651 on average during January, but can be found for as low as £397.

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

When flying from Seattle to London City Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Seattle to London City?

For a flight from Seattle to London City, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to London City per day. 0 airlines have flights to London City from Seattle/Tacoma Intl on a regular basis.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Seattle to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£316+ Flights from Seattle to London City Airport

Cheap flight deals from Seattle to London City

Round-trip from	£528
One-way from	£316
Popular in	June
Cheapest in	January
Average price	£563

KLM
23/4-30/4
2 total stops
28h 30m total
Seattle to London

Search Deals

13/5
2 total stops
22h 45m total
Seattle to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£146 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Seattle to London City

Cheapest flights from Seattle to London City
Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2025.

Wed 23/418:10SEA - LCY

1 stop14h 30mKLM

Wed 30/410:00LCY - SEA

1 stop14h 00mKLM

Deal found 18/2£528

Tue 22/412:45SEA - LCY

2 stops20h 45mSWISS

Wed 30/413:05LCY - SEA

2 stops41h 37mSWISS

Deal found 17/2£537

Mon 24/315:15SEA - LCY

1 stop20h 10mVirgin Atlantic

Tue 1/420:10LCY - SEA

1 stop23h 35mVirgin Atlantic

Deal found 17/2£538

Sun 27/414:15SEA - LCY

1 stop18h 10mMultiple Airlines

Thu 15/509:25LCY - SEA

2 stops17h 08mMultiple Airlines

Deal found 17/2£549

Tue 22/414:15SEA - LCY

1 stop20h 20mLufthansa

Wed 14/508:45LCY - SEA

2 stops17h 48mLufthansa

Deal found 17/2£558

Fri 4/413:55SEA - LCY

1 stop13h 45mDelta

Fri 11/408:40LCY - SEA

2 stops21h 15mDelta

Deal found 17/2£591

Wed 23/418:45SEA - LCY

1 stop15h 35mBritish Airways

Wed 30/409:05LCY - SEA

1 stop15h 54mBritish Airways

Deal found 17/2£647

Wed 26/321:00SEA - LCY

1 stop14h 35mAer Lingus

Fri 4/406:45LCY - SEA

1 stop18h 14mAer Lingus

Deal found 17/2£679

Best flights from Seattle to London City
Discover carefully curated flight deals from Seattle to London City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 February 2025.

Wed 23/418:10SEA - LCY

1 stop14h 30mKLM

Wed 30/410:00LCY - SEA

1 stop14h 00mKLM

Deal found 18/2£528

Tue 22/412:45SEA - LCY

2 stops20h 45mSWISS

Wed 30/413:05LCY - SEA

2 stops41h 37mSWISS

Deal found 17/2£537

Mon 24/315:15SEA - LCY

1 stop20h 10mVirgin Atlantic

Tue 1/420:10LCY - SEA

1 stop23h 35mVirgin Atlantic

Deal found 17/2£538

Sun 27/414:15SEA - LCY

1 stop18h 10mMultiple Airlines

Thu 15/509:25LCY - SEA

2 stops17h 08mMultiple Airlines

Deal found 17/2£549

Tue 22/414:15SEA - LCY

1 stop20h 20mLufthansa

Wed 14/508:45LCY - SEA

2 stops17h 48mLufthansa

Deal found 17/2£558

Thu 3/411:50SEA - LCY

2 stops20h 50mDelta

Thu 10/407:45LCY - SEA

1 stop16h 15mDelta

Deal found 17/2£586

Wed 23/418:45SEA - LCY

1 stop15h 35mBritish Airways

Wed 30/409:05LCY - SEA

1 stop15h 54mBritish Airways

Deal found 17/2£647

Wed 26/321:00SEA - LCY

1 stop14h 35mAer Lingus

Fri 4/406:45LCY - SEA

1 stop18h 14mAer Lingus

Deal found 17/2£679

Last-minute flights from Seattle to London City
Discover last-minute flight deals from Seattle to London City. Data last updated 18 February 2025 and is based on user searches.

Sun 23/220:00SEA - LCY

1 stop13h 30mMultiple Airlines

Wed 26/206:50LCY - SEA

1 stop19h 25mMultiple Airlines

Deal found 17/2£1,317

Mon 24/220:00SEA - LCY

1 stop14h 35mBritish Airways

Wed 9/406:45LCY - SEA

1 stop18h 14mBritish Airways

Deal found 17/2£837

Tue 25/210:52SEA - LCY

2 stops17h 58mSWISS

Mon 3/319:10LCY - SEA

2 stops34h 05mSWISS

Deal found 17/2£705

Tue 25/214:09SEA - LCY

1 stop18h 26mVirgin Atlantic

Mon 3/317:05LCY - SEA

1 stop26h 32mVirgin Atlantic

Deal found 18/2£848

Mon 3/314:00SEA - LCY

1 stop18h 40mLufthansa

Tue 18/318:15LCY - SEA

1 stop25h 55mLufthansa

Deal found 17/2£565

Wed 12/314:50SEA - LCY

2 stops19h 15mSWISS

Wed 26/319:10LCY - SEA

2 stops34h 43mSWISS

Deal found 17/2£559

Tue 18/318:20SEA - LCY

1 stop19h 25mMultiple Airlines

Tue 25/307:05LCY - SEA

1 stop15h 55mMultiple Airlines

Deal found 18/2£630

Mon 24/315:15SEA - LCY

1 stop20h 10mVirgin Atlantic

Tue 1/420:10LCY - SEA

1 stop23h 35mVirgin Atlantic

Deal found 17/2£538

Mon 24/321:00SEA - LCY

1 stop14h 35mBritish Airways

Tue 1/406:45LCY - SEA

1 stop18h 14mBritish Airways

Deal found 17/2£652

Wed 26/321:00SEA - LCY

1 stop14h 35mAer Lingus

Fri 4/406:45LCY - SEA

1 stop18h 14mAer Lingus

Deal found 17/2£679

Sat 29/314:10SEA - LCY

1 stop15h 05mDelta

Sat 5/408:40LCY - SEA

1 stop15h 20mDelta

Deal found 17/2£1,165

One-way flights from Seattle to London City
Search for one-way flight options from Seattle to London City. Find affordable one-way fares based on user searches. Data last updated 18 February 2025.

Tue 13/514:05SEA - LCY

2 stops22h 45mMultiple Airlines

Deal found 17/2£316

Tue 25/314:50SEA - LCY

2 stops19h 15mSWISS

Deal found 18/2£354

Mon 17/315:15SEA - LCY

1 stop20h 10mVirgin Atlantic

Deal found 18/2£360

Wed 19/315:00SEA - LCY

1 stop18h 40mLufthansa

Deal found 17/2£365

Fri 25/413:55SEA - LCY

1 stop13h 45mKLM

Deal found 18/2£405

Tue 11/315:15SEA - LCY

1 stop18h 20mDelta

Deal found 18/2£422

Fri 21/321:00SEA - LCY

2 stops35h 40mBritish Airways

Deal found 18/2£491

Sat 24/522:55SEA - LCY

2 stops27h 10mITA Airways

Deal found 18/2£1,031

Find flights from Seattle to London City within your budget

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 23/4

18:10-16:40

1 stop14h 30m

London City

Wed 30/4

10:00-16:00

1 stop14h 00m

£528

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 22/4

12:45-17:30

2 stops20h 45m

London City

Wed 30/4

13:05-22:42

2 stops41h 37m

£537

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 24/3

15:15-18:25

1 stop20h 10m

London City

Tue 1/4

20:10-11:45

1 stop23h 35m

£538

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 27/4

14:15-16:25

1 stop18h 10m

London City

Thu 15/5

09:25-18:33

2 stops17h 08m

£549

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 22/4

14:15-18:35

1 stop20h 20m

London City

Wed 14/5

08:45-18:33

2 stops17h 48m

£558

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 3/4

11:50-16:40

2 stops20h 50m

London City

Thu 10/4

07:45-16:00

1 stop16h 15m

£586

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 23/4

18:45-18:20

1 stop15h 35m

London City

Wed 30/4

09:05-16:59

1 stop15h 54m

£647

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 26/3

21:00-18:35

1 stop14h 35m

London City

Fri 4/4

06:45-16:59

1 stop18h 14m

£679

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 13/5

14:05-20:50

2 stops22h 45m

£316

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 25/3

14:50-17:05

2 stops19h 15m

£354

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 17 results

Best time to book a flight from Seattle to London City

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

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

Rainfall in London City by month

In terms of precipitation, rainfall in London City Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London City Airport when rainfall is around 40.0 mm.

Temperature in London City by month

If weather is an important factor for your trip to London City Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM and SWISS from Seattle to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,246 reviews

Check prices

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

8,246 reviews

Delta

8.0

Very Good

8,246 reviews

Check prices

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

1,334 reviews

Delta

8.0

Very Good

8,246 reviews

Check prices

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

1,573 reviews

Delta

8.0

Very Good

8,246 reviews

Check prices

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

657 reviews

Delta

8.0

Very Good

8,246 reviews

Check prices

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.

Aer Lingus

7.1

Good

1,071 reviews

Delta

8.0

Very Good

8,246 reviews

Check prices

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

What airport do you fly from for flights from Seattle to London City?
For a flight from Seattle to London City, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to London City per day. 0 airlines have flights to London City from Seattle/Tacoma Intl on a regular basis.
What are the cheapest airlines flying from Seattle to London City Airport round-trip?
Our cheapest airline available from Seattle to London City Airport is KLM. Our recent data shows that you can find tickets from as low as £528 on this airline. Additional options worth looking into are SWISS and Virgin Atlantic, starting at £537 and £538 round-trip.
What are the cheapest airlines to fly from Seattle to London City Airport one-way?
For one-way options, check prices for SWISS. According to our data, you can fly for as low as £354. Users have also found prices from £360 and £365 on Virgin Atlantic and Lufthansa, respectively.
Can I find deals for flights from Seattle to London City that include hotel bookings?
Yes. In addition to deals on Seattle to London City flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seattle to London City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to London City.
Can I find deals for business class flights from Seattle to London City?
Yes. Cheapflights offers flight deals from Seattle to London City 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 London City Airport?
Currently, February is the cheapest month in which you can book a flight from Seattle to London City Airport (average of £161). Flying from Seattle to London City Airport in August is currently the most expensive (average of £214). 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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How does Cheapflights help users find flights from Seattle to London City?

When you search for this flight from Seattle to London City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to London City?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to London City for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to London City from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to London City 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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Cheap flights from Seattle to London City Airport from £316

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to London City

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to London City

Cheapest flights from Seattle to London CityExplore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2025.

Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2025.

Find flights from Seattle to London City within your budget

Best time to book a flight from Seattle to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Seattle with our price prediction graph.

Travel insights for flights from Seattle to London City

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

Rainfall in London City by month

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

Temperature in London City by month

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

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM and SWISS from Seattle to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

What is the cheapest month to book a flight from Seattle to London City Airport?

Travelling to a place near Seattle?

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Alternative routes for Seattle to London City

See prices for flight routes from nearby airports that may be better suited for you.

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 Seattle to London City?

Why should you use Cheapflights to find cheap flight tickets from Seattle to London City?

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

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

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Cheapest flights from Seattle to London City
Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2025.