Question 1

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

Accepted Answer

Our cheapest airline available from Seattle to London City Airport is SWISS. Our recent data shows that you can find tickets from as low as £422 on this airline. Additional options worth looking into are Virgin Atlantic and Delta, starting at £426 and £440 round-trip.

Question 2

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

Accepted Answer

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.

Question 3

E

Accepted Answer

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.

Question 4

E

Accepted Answer

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).

Question 5

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

Accepted Answer

Travelers have found it’s best to book a flight 51 days in advance to save up to 43% 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 51 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 £632, or £725 for flights within the next 24 hours.

Question 6

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to London City Airport. Flights to London City Airport from Seattle in October are about £571 on average during October, but can be found for as low as £396.

Question 7

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

Accepted Answer

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.

Question 8

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

Accepted Answer

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.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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.

Question 14

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

Accepted Answer

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.

Question 15

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

Accepted Answer

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!

Round-trip from	£422
One-way from	£225
Popular in	June
Cheapest in	October
Average price	£716

Cheap flights from Seattle to London City Airport from £225

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

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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 4 July 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 4 July 2025.

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Best time to book a flight from Seattle to London City

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Reviews of airlines servicing London City

See what other customers who have flown with Delta, KLM, andSWISS from Seattle to London City Airport have to say. You can also see how each airline compares 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?

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?

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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 4 July 2025.