How much is a flight from Key West to Ontario?

There’s no fixed price — fares between Key West and Ontario can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying between Key West and Ontario? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Key West: Key West has only one airport in service, Key West - International.
• Airports in Ontario: The only active option is Ontario.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Key West airports in a single search.

Adjust your flight filters for Key West – Ontario

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.