Search flights to Southwest Ontario

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Flying to Southwest Ontario: things to know

There are 7 airlines that fly from the United States to Southwest Ontario. The most popular route is from Sea-Tac Airport in Seattle to London International Airport in London. On average this flight takes 11 hours 38 minutes one way and costs US$328 for the round trip.

The most popular route
SEA Sea-Tac Airport to YXU London International Airport
Average flight on the most popular route
11 hours 38 minutes
Average round-trip ticket price
US$328

Airlines that fly to Southwest Ontario

Based on flights we've sold recently. Available airlines may vary depending on your search.

  • Air Canada
  • Flair Airlines
  • Westjet
  • Porter Airlines
  • United Airlines
  • Swoop
  • Aeromexico

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