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.
- ParisSAR 4,217Nov 7 — Nov 132 stops20 hrAmerican, Iberia
- SeattleSAR 555Sep 12 — Sep 19Nonstop2 hr 56 minFrontier
- BostonSAR 991Aug 9 — Aug 181 stop8 hr 31 minJetBlue
- Hong KongSAR 3,657Sep 20 — Sep 292 stops25 hr 33 minAlaska, JAL, ANA
- San FranciscoSAR 210Jul 18 — Jul 25Nonstop1 hr 32 minFrontier
- LondonSAR 3,427Oct 25 — Oct 312 stops13 hr 27 minSWISS, 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 min +
- Las VegasDirect flights every day1 hr 5 min +
- OaklandDirect flights every day1 hr 15 min +
- PhoenixDirect flights every day1 hr 10 min +
- DenverDirect flights every day2 hr 10 min +
- FrontierFly from Ontario (ONT)
- DenverDirect flights every day2 hr 20 min +
- Las VegasDirect flights every day1 hr 11 min +
- SeattleDirect flights every day2 hr 50 min +
- DallasDirect flights every Mon, Thu, Fri, Sat, Sun3 hr 15 min +
- PortlandDirect flights every Mon, Thu, Fri, Sat, Sun2 hr 18 min +
- UnitedFly from Ontario (ONT)
- San FranciscoDirect flights every day1 hr 19 min +
- DenverDirect flights every day2 hr 17 min +
- ChicagoDirect flights every day4 hr 3 min +
- HoustonDirect flights every day3 hr 15 min +
- VolarisFly from Ontario (ONT)
- GuadalajaraDirect flights every day3 hr 5 min +
- San José del CaboDirect flights every Mon, Thu, Fri, Sat, Sun2 hr 24 min +
- MoreliaDirect flights every Tue, Thu, Sat, Sun3 hr 7 min +
- LeonDirect flights every Mon, Wed, Fri3 hr 1 min +
- AmericanFly from Ontario (ONT)
- DallasDirect flights every day3 hr 1 min +
- PhoenixDirect flights every day1 hr 16 min +
- CharlotteDirect flights every day4 hr 41 min +
- DeltaFly from Ontario (ONT)
- Salt Lake CityDirect flights every day1 hr 43 min +
- SeattleDirect flights every day2 hr 45 min +
- AtlantaDirect flights every day4 hr 22 min +
Popular airports near Ontario
Distance and driving time are relative to the city center. Airports are listed based on distance from Ontario center and popularity with travelers.
- Ontario International Airport (ONT)OntarioUnited States11 min4 km
- Los Angeles International Airport (LAX)Los AngelesUnited States1 hr 8 min71 km
- Tijuana International Airport (TIJ)TijuanaMexico2 hr 16 min180 km
- San Diego International Airport (SAN)San DiegoUnited States1 hr 51 min153 km
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 favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you 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 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 SAR 4,217 for Nov 7 - Nov 13, round trips from Ontario to Seattle starting at SAR 555 for Sep 12 - Sep 19, and cheap flights from Ontario to Boston starting at SAR 991 for Aug 9 - Aug 18. 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 SAR 4,217 for Nov 7 - Nov 13, round trips from Ontario to Seattle starting at SAR 555 for Sep 12 - Sep 19, and cheap flights from Ontario to Boston starting at SAR 991 for Aug 9 - Aug 18. Alternatively, explore more cheap flights to anywhere in the world.
Ontario is served by only one major airport: Ontario International Airport, 4 km away from the city center.
It's usually recommended that you arrive at the airport 2 hours before departure time for a domestic flight and 3 hours before an international flight to allow for time to check in, clear security, and handle 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 on 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 on 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 nonstop 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 nonstop 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
Find cheap flights on popular routes
Flights from Ontario to ChicagoFlights from Ontario to DallasFlights from Ontario to WashingtonFlights from Ontario to PhoenixFlights from Ontario to DenverFlights from Ontario to HoustonFlights from Ontario to New YorkFlights from Ontario to Las VegasFlights from Ontario to Los AngelesFlights from Ontario to AustinFlights from Ontario to San DiegoFlights from Ontario to OrlandoFlights from Ontario to NashvilleFlights from Ontario to San FranciscoFlights from Ontario to SacramentoFlights from Ontario to Kansas CityFlights from Ontario to SeattleFlights from Ontario to Santa AnaFlights from Ontario to PortlandFlights from Ontario to Tampa