Cheap flights from Ontario
Popular trips from Ontario
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
- Paris£8487 Nov – 13 Nov2 stops20 hrsAmerican, Iberia
- Seattle£11212 Sept – 19 SeptNon-stop2 hrs 56 minsFrontier
- Boston£2009 Aug – 18 Aug1 stop8 hrs 31 minsJetBlue
- Hong Kong£73620 Sept – 29 Sept2 stops25 hrs 33 minsAlaska, JAL, ANA
- San Francisco£4318 Jul – 25 JulNon-stop1 hr 32 minsFrontier
- London£69025 Oct – 31 Oct2 stops13 hrs 27 minsSWISS, United
Find cheap flights from Ontario to anywhere
Popular airlines with direct flights from Ontario
- SouthwestFly from Ontario (ONT)
- SacramentoDirect flights every day1 hr 20 mins +
- Las VegasDirect flights every day1 hr 5 mins +
- OaklandDirect flights every day1 hr 15 mins +
- PhoenixDirect flights every day1 hr 10 mins +
- DenverDirect flights every day2 hrs 10 mins +
- FrontierFly from Ontario (ONT)
- DenverDirect flights every day2 hrs 20 mins +
- Las VegasDirect flights every day1 hr 11 mins +
- SeattleDirect flights every day2 hrs 50 mins +
- DallasDirect flights every Mon, Thu, Fri, Sat, Sun3 hrs 15 mins +
- PortlandDirect flights every Mon, Thu, Fri, Sat, Sun2 hrs 18 mins +
- UnitedFly from Ontario (ONT)
- San FranciscoDirect flights every day1 hr 19 mins +
- DenverDirect flights every day2 hrs 17 mins +
- ChicagoDirect flights every day4 hrs 3 mins +
- HoustonDirect flights every day3 hrs 15 mins +
- VolarisFly from Ontario (ONT)
- GuadalajaraDirect flights every day3 hrs 5 mins +
- San José del CaboDirect flights every Mon, Thu, Fri, Sat, Sun2 hrs 24 mins +
- MoreliaDirect flights every Tue, Thu, Sat, Sun3 hrs 7 mins +
- LeonDirect flights every Mon, Wed, Fri3 hrs 1 min +
- AmericanFly from Ontario (ONT)
- DallasDirect flights every day3 hrs 1 min +
- PhoenixDirect flights every day1 hr 16 mins +
- CharlotteDirect flights every day4 hrs 41 mins +
- DeltaFly from Ontario (ONT)
- Salt Lake CityDirect flights every day1 hr 43 mins +
- SeattleDirect flights every day2 hrs 45 mins +
- AtlantaDirect flights every day4 hrs 22 mins +
Popular airports near Ontario
Distance and driving time are relative to the city centre. Airports are listed based on distance from the centre of Ontario and popularity with travellers.
- Ontario International Airport (ONT)OntarioUnited States11 mins2 mi
- Los Angeles International Airport (LAX)Los AngelesUnited States1 hr 8 mins44 mi
- Tijuana International Airport (TIJ)TijuanaMexico2 hrs 16 mins112 mi
- San Diego International Airport (SAN)San DiegoUnited States1 hr 51 mins95 mi
Frequently asked questions about flying from Ontario
What counts as the best airline for your flights from Ontario really depends on your individual needs. You may have a favourite carrier or a loyalty programme that you like, but price, convenience and airports served also come into play. Flexibility and booking terms – whether you can change flights if you want to stay longer or get a refund if you have to postpone your trip – are also factors that help determine which airline is best to fly with from Ontario.
In terms of direct flights, Southwest is the most popular, flying directly to 12 cities. Southwest flies from Ontario International Airport (ONT).
Other popular airlines flying from Ontario are Frontier, United, Volaris, American, Delta.
In terms of direct flights, Southwest is the most popular, flying directly to 12 cities. Southwest flies from Ontario International Airport (ONT).
Other popular airlines flying from Ontario are Frontier, United, Volaris, American, Delta.
- Frontier flies directly to 7 cities. Frontier flies from Ontario International Airport (ONT).
- United flies directly to 4 cities. United flies from Ontario International Airport (ONT).
- Volaris flies directly to 4 cities. Volaris flies from Ontario International Airport (ONT).
- American flies directly to 3 cities. American flies from Ontario International Airport (ONT).
- Delta flies directly to 3 cities. Delta flies from Ontario International Airport (ONT).
- Southwest offers direct flights from Ontario to 12 cities. The most frequent destinations are: Sacramento, Las Vegas, Oakland, Phoenix and Denver.
- Frontier offers direct flights from Ontario to 7 cities. The most frequent destinations are: Denver, Las Vegas, Seattle, Dallas and Portland.
- United offers direct flights from Ontario to 4 cities. The most frequent destinations are: San Francisco, Denver, Chicago and Houston.
- Volaris offers direct flights from Ontario to 4 cities. The most frequent destinations are: Guadalajara, San José del Cabo, Morelia and Leon.
- American offers direct flights from Ontario to 3 cities. The most frequent destinations are: Dallas, Phoenix and Charlotte.
- Delta offers direct flights from Ontario to 3 cities. The most frequent destinations are: Salt Lake City, Seattle and Atlanta.
Some popular flight destinations from Ontario are Chicago, Dallas, Washington, Phoenix, Denver and Houston.
You can currently find cheap options like round-trip flights from Ontario to Paris starting at £848 for 7 Nov – 13 Nov, round trips from Ontario to Seattle starting at £112 for 12 Sept – 19 Sept and cheap flights from Ontario to Boston starting at £200 for 9 Aug – 18 Aug. Alternatively, explore more cheap flights to anywhere in the world.
You can currently find cheap options like round-trip flights from Ontario to Paris starting at £848 for 7 Nov – 13 Nov, round trips from Ontario to Seattle starting at £112 for 12 Sept – 19 Sept and cheap flights from Ontario to Boston starting at £200 for 9 Aug – 18 Aug. Alternatively, explore more cheap flights to anywhere in the world.
Ontario is served by only one major airport: Ontario International Airport, 2 mi away from the city centre.
It's usually recommended that you arrive at the airport two hours before departure time for a domestic flight and three hours before an international flight to allow for time to check in, clear security and handle any unexpected delays.
Check with your airline for any unique guidance and monitor the airport's website for updates or changes to procedures.
Check with your airline for any unique guidance and monitor the airport's website for updates or changes to procedures.
Finding last-minute flights from Ontario is easy on Google Flights.
Select a destination in the form at the top of the page, and use the calendar to pick travel dates and find the lowest ticket prices available.
You can even check for flights departing today.
To find the cheapest tickets, it's usually best to book at least a few weeks in advance for domestic flights and a few months in advance for cheap international flights.
Select a destination in the form at the top of the page, and use the calendar to pick travel dates and find the lowest ticket prices available.
You can even check for flights departing today.
To find the cheapest tickets, it's usually best to book at least a few weeks in advance for domestic flights and a few months in advance for cheap international flights.
You can find cheap flight deals from Ontario to anywhere in the world on Google Flights.
Just enter Ontario as your departure city, choose Anywhere as the destination and tap Explore.
You can pick specific dates or leave departure and return dates blank if your plans are flexible. The cheapest flight deals to popular destinations will appear.
You can filter the results to see only non-stop flights or flights under a certain price to more easily plan your perfect low cost trip.
If you already have a destination in mind, you can turn on price tracking to get alerts if the ticket price changes for a route or flight.
Just enter Ontario as your departure city, choose Anywhere as the destination and tap Explore.
You can pick specific dates or leave departure and return dates blank if your plans are flexible. The cheapest flight deals to popular destinations will appear.
You can filter the results to see only non-stop flights or flights under a certain price to more easily plan your perfect low cost trip.
If you already have a destination in mind, you can turn on price tracking to get alerts if the ticket price changes for a route or flight.
Search more flights
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