Cheap flights from London to Seattle

1 Dec — 8 Dec1
1 adult
Thu 1/12
Thu 8/12

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

Flights from London, Ontario to Seattle are generally found to be more expensive on Monday. 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.

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

The best pricing can be found in the month of January. Prices to Seattle from London, Ontario average C$ 841. You can even find prices in January for less than C$ 841, as users have found deals to Seattle from as low as C$ 550. The month of November 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 51%.

When is the cheapest time to fly from London, Ontario to Seattle (YXU - SEA)?

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 12% on airfare.

Related info for your journey

Useful info, stats and facts about London to Seattle flights.

Which airlines flying from London to Seattle/Tacoma Intl have flexible changes due to COVID-19?

Air Canada is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

How popular is this London, Ontario to Seattle flight route?

The London to Seattle/Tacoma Intl flight path was viewed by 37 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest flights from London, Ontario to Seattle?

The cheapest flight price from London, Ontario to Seattle is C$ 389. On average you can expect to pay C$ 844. The most popular route, (London - Seattle/Tacoma Intl), can usually be booked for C$ 542.

Alternative routes for London to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Ottawa to Seattlefrom C$ 647 pp
Sudbury to Seattlefrom C$ 916 pp
Windsor to Seattlefrom C$ 1,021 pp

Top airline flying from London to Seattle

The chart below displays the airlines Cheapflights users travelling from London to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air CanadaCheapestC$ 550AverageC$ 842FlexibilityNo cancel feeOn-time67%COVID-19 safety
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