Q: How much does it cost to fly round-trip from Seattle to London Gatwick Airport?

Airfare is below average for this route at the moment. Seattle to London Gatwick Airport flights typically cost between C$ 889 and C$ 1,210 in October. The cheapest round-trip price found within the last 3 days was C$ 711 on Icelandair (1 Oct-22 Oct).

Question 1

How much does it cost to fly round-trip from Seattle to London Gatwick Airport?

Accepted Answer

Airfare is below average for this route at the moment.Seattle to London Gatwick Airport flights typically cost between C$ 889 and C$ 1,210 in October.
The cheapest round-trip price found within the last 3 days was C$ 711 on Icelandair (1 Oct-22 Oct).

Question 2

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

Accepted Answer

Currently priced at C$ 711, Icelandair will fly you from Seattle to London Gatwick Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SWISS and Delta - these airlines can fly you to your destination from C$ 713 and C$ 844, respectively. These flights start at 25% lower than the current average price 3 months from now.

Question 3

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

Accepted Answer

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at C$ 357. SWISS flights start at C$ 514 while deals on JetBlue start at C$ 519 one-way.

Question 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of C$ 511). Flying from Seattle to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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 5

What is the cheapest day to fly from Seattle to London Gatwick Airport?

Accepted Answer

Travelers seeking maximum savings on their Seattle to London Gatwick Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

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

Question 7

E

Accepted Answer

If weather is an important factor for your trip to London Gatwick 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 8

What is the cheapest day to fly round-trip from Seattle to London Gatwick Airport?

Accepted Answer

Saturday is generally a great day to depart. Flying on this day could help you save up to 56%.

Question 9

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

Accepted Answer

Find a great deal and save up to 44% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to London Gatwick Airport within the next two weeks, with the cheapest ticket starting at C$ 1,104.

Question 10

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

Accepted Answer

October can be a great time to fly to London Gatwick Airport from Seattle with a flight ticket averaging about C$ 1,054. Cheapflights users have found deals in the month of October for as cheap as C$ 739. The most expensive prices can be found in the month of June.

Question 11

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to London Gatwick Airport as you normally would.

Question 12

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

Accepted Answer

Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to London Gatwick. You should not have trouble finding flights to London Gatwick from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to London Gatwick per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to London Gatwick. It is only a 18.4 km journey to Seattle/Tacoma Intl (SEA) from Seattle’s city centre.

Question 13

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

Accepted Answer

Yes. In addition to deals on Seattle to Gatwick flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 14

How can I find direct flights from Seattle to Gatwick?

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 Gatwick.

Question 15

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

Accepted Answer

Yes. Cheapflights offers flight deals from Seattle to Gatwick 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 16

How does Cheapflights help users find flights from Seattle to Gatwick?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 17

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Seattle to Gatwick by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 18

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Gatwick flexibly with Cheapflights today.

Question 19

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

Accepted Answer

Yes, Cheapflights offers price alerts on Seattle to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	C$ 711
One-way from	C$ 332
Popular in	June
Cheapest in	January
Average price	C$ 989

Cheap flights from Seattle to London Gatwick Airport from C$ 332

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 15/10. 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 GatwickExplore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 julio 2025.

Explore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 julio 2025.

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

How much does it cost to fly round-trip from Seattle to London Gatwick Airport?

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

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

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

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

How can I find direct flights from Seattle to Gatwick?

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

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

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

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

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Cheapest flights from Seattle to Gatwick
Explore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 julio 2025.