Question 1

What are the cheapest airlines flying from London, Ontario to Seattle round-trip?

Accepted Answer

According to our current data, WestJet (C$ 339), Air Canada (C$ 350), and United Airlines (C$ 692) offers the cheapest pricing from London, Ontario to Seattle. WestJet is 54% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

How recently were the London, Ontario to Seattle flight deals updated?

Accepted Answer

The London, Ontario to Seattle flight deals you see on this page were last updated on 25/7.

Question 3

What is the cheapest month to book a flight from London, Ontario to Seattle?

Accepted Answer

Currently, July is the cheapest month in which you can book a flight from London, Ontario to Seattle (average of C$ 304). Flying from London, Ontario to Seattle in March is currently the most expensive (average of C$ 420). 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 4

What is the cheapest day to fly from London, Ontario to Seattle?

Accepted Answer

Travelers seeking maximum savings on their London, Ontario to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 7

Can I find flights from London, Ontario to Seattle for under C$ 400 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from London, Ontario to Seattle for under C$ 400. The cheapest flight booked recently is on WestJet for just C$ 339, but on average you can expect to pay C$ 615.

Question 8

What is the cheapest day to fly round-trip from London, Ontario to Seattle?

Accepted Answer

Flights from London, Ontario to Seattle are generally found to be more expensive on Saturday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

Question 9

What is the cheapest month to fly from London, Ontario to Seattle?

Accepted Answer

The best pricing can be found in the month of January. Prices to Seattle from London, Ontario average C$ 750. You can even find prices in January for less than C$ 750, as users have found deals to Seattle from as low as C$ 509. The month of April appears to be one of the more expensive times to travel to Seattle from London, Ontario. Flying in the targeted month can save you up to 53%.

Question 10

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

Accepted Answer

One of the essential ways to save on airfare from London, Ontario to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

Question 11

What does YXU to SEA mean?

Accepted Answer

YXU and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YXU to SEA refers to a flight route from London Airport to Seattle/Tacoma Intl Airport.

Question 12

Can I find deals for flights from London to Seattle that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your London to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 13

Can I find deals on flights from London to Seattle with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter London to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 14

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

Accepted Answer

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

Question 15

How can I find direct flights from London to Seattle?

Accepted Answer

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

Question 16

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

Accepted Answer

Yes. Cheapflights offers flight deals from London 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.

Question 17

Can I find deals for flights from London to Seattle that allow pets onboard?

Accepted Answer

Many airlines flying from London to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 18

Can I find deals on last-minute flights from London to Seattle?

Accepted Answer

Yes, you can often find last-minute deals on London to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 19

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from London today with Cheapflights!

Question 20

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

Accepted Answer

Cheapflights helps you find that perfect flight to Seattle from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 21

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

Accepted Answer

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

Question 22

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

Accepted Answer

Yes, Cheapflights offers price alerts on London to Seattle 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$ 339
Popular in	April
Cheapest in	January
Average price	C$ 636

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 507	AverageC$ 632	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 548	AverageC$ 682	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Cheap flights from London to Seattle from C$ 339

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Seattle

Round-trip from

Popular in

Cheapest in

Average price

What is the cheapest day to fly round-trip from London, Ontario to Seattle?

What is the cheapest month to fly from London, Ontario to Seattle?

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

Cheap Air Canada flights from London to Seattle

Take a peek at the cheapest Air Canada flights we've detected travelling from London to Seattle. Make sure to double check the flight details before booking.

Cheap WestJet flights from London to Seattle

Take a gander at the lowest prices we've found on WestJet flights from London to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap London to Seattle flights in July & August 2024

Find cheap flight options from London to Seattle specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 435,117 searches. Prices were last updated on 25 July 2024.

Listed are some of the best fares we've found on flights departing from London to Seattle in 2024. More deals are always being added, so be sure to check back regularly.

London to Seattle 2024 flight deals

Discover exclusive flight deals for travel between London and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.

Listed are some of the best fares we've found on flights departing from London to Seattle in 2024. More deals are always being added, so be sure to check back regularly.

Find flights from London to Seattle within your budget

What is the cheapest day to fly from London, Ontario to Seattle?

Use this chart to determine the cheapest time to fly round-trip from London to Seattle. Price data was last updated on 21 July 2024.

Best time to book a flight from London to Seattle

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

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing Seattle

See what other customers who have flown with Air Canada, WestJet and United Airlines from London to Seattle 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 London to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from London, Ontario to Seattle for under C$ 400 on Cheapflights?

What are the cheapest airlines flying from London, Ontario to Seattle round-trip?

What does YXU to SEA mean?

Can I find deals for flights from London to Seattle that include extra baggage allowance?

Can I find deals on flights from London to Seattle with specific airlines?

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

How can I find direct flights from London to Seattle?

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

Can I find deals for flights from London to Seattle that allow pets onboard?

Can I find deals on last-minute flights from London to Seattle?

How recently were the London, Ontario to Seattle flight deals updated?

What is the cheapest month to book a flight from London, Ontario to Seattle?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to SeattleSee prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from London to Seattle

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Search flights from London to Seattle by cabin class

Find flights from London to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Alternative routes for London to Seattle
See prices for flight routes from nearby airports that may be better suited for you.