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Ontario to St Louis Flights

Age of children at time of trip

We will search for applicable airfare discounts. Must have 1 adult for each infant in lap

Selected fares from Ontario to St Louis

Departure Arrival Travel dates Round-trip
ONT STL Wed, Jan 28 - Sun, Feb 1 $341
ONT STL Tue, Jan 20 - Tue, Jan 27 $377
ONT STL Wed, Jan 21 - Thu, Jan 22 $397
ONT STL Wed, Jan 21 - Thu, Jan 22 $397
ONT STL Tue, Jan 20 - Tue, Jan 27 $449

Ontario and St Louis airports and terminals

Airports in Ontario CA, US
map of airports in Ontario
  • 1

    Ontario International Airport (ONT)

    Distance from City Center: 0.9 miles

  • 2

    Long Beach Municipal (LGB)

    Distance from City Center: 34.9 miles

  • 3

    Bob Hope (BUR)

    Distance from City Center: 43.6 miles

  • 4

    John Wayne Airport (SNA)

    Distance from City Center: 30.6 miles

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Airports in St Louis MO, US
map of airports in St Louis
  • 1

    St Louis Airport (STL)

    Distance from City Center: 12.5 miles

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Sun Mon Tue Wed Thu Fri Sat
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27
$341
28
$341
29 30
$341
31

Highlighted price = Cheapest round-trip flights

Prices are round trip per person (conditions apply)

Featured St Louis Airport Hotels

Hotel only $84

Pear Tree Inn St. Louis Airport

2 stars
3.9 / 5 59 reviews

10810 Pear Tree Lane Map

The Extras Aren't Extra! Your great rate includes FREE evening snacks and beverages. FREE breakfast, FREE wireless Internet access and FREE long distance. Don't miss our great breakfast buffet. ... More

Hotel only $84

Hampton Inn St. Louis-Airport

3 stars
3.0 / 5 1 reviews

10820 Pear Tree Lane Map

Free On The HouseT hot breakfast, Wi-Fi

the perfect place to prepare for your next adventure...welcome to the Hampton Inn St. Louis-Airport.Deplane and de-stress at the Hampton Inn® hotel in St. Louis-Airport.... More

Hotel only $89

Marriott St. Louis Airport

4 stars
3.9 / 5 104 reviews

10700 Pear Tree Lane Map

Rate includes breakfast

...Free airport shuttle at St. Louis hotel with restaurant and Starbucks.... The St. Louis Airport Marriott hotel features fresh, calming accommodations and a variety of recreational and high-tech... More

Hotel only $104

Drury Inn St. Louis Airport

3 stars
4.2 / 5 49 reviews

10490 Natural Bridge Road Map

The Extras Aren't Extra at Drury Hotels. Your great rate includes FREE hot food and cold beverages at our 5:30 Kickback. FREE hot breakfast, FREE wireless Internet access and FREE long distance.... More

Hotel only $74

Hilton St. Louis Airport

4 stars
3.9 / 5 68 reviews

10330 Natural Bridge Road Map

Includes parking for up to 7 nights

...St. Louis airport hotel with contemporary style and on-site restaurant.... More

Hotel only $51

Quality Inn Airport

2 stars
2.7 / 5 89 reviews

10232 Natural Bridge Rd. Map

...Free breakfast and free Wi-Fi at pet-friendly St. Louis airport hotel.... More

January

Cheapest weekend flights in January from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Fri, Jan 30 Ontario (ONT) St Louis (STL) Delta Air Lines $341
Earn $3.41
Return Sun, Feb 1 St Louis (STL) Ontario (ONT) Delta Air Lines

Lowest roundtrip airfare in January from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Fri, Jan 30 Ontario (ONT) St Louis (STL) Delta Air Lines $341
Earn $3.41
Return Sun, Feb 1 St Louis (STL) Ontario (ONT) Delta Air Lines

Best one-week trip in January from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Tue, Jan 20 Ontario (ONT) St Louis (STL) United Airlines $377
Earn $3.77
Return Tue, Jan 27 St Louis (STL) Ontario (ONT) United Airlines
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February

Cheapest weekend flights in February from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Thu, Feb 5 Ontario (ONT) St Louis (STL) Delta Air Lines $345
Earn $3.45
Return Sat, Feb 7 St Louis (STL) Ontario (ONT) Delta Air Lines

Lowest roundtrip airfare in February from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Thu, Feb 5 Ontario (ONT) St Louis (STL) Delta Air Lines $345
Earn $3.45
Return Sat, Feb 7 St Louis (STL) Ontario (ONT) Delta Air Lines
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March

Cheapest weekend flights in March from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Fri, Mar 13 Ontario (ONT) St Louis (STL) US Airways $505
Earn $5.05
Return Mon, Mar 16 St Louis (STL) Ontario (ONT) US Airways

Lowest roundtrip airfare in March from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Sat, Mar 28 Ontario (ONT) St Louis (STL) US Airways $473
Earn $4.73
Return Sat, Apr 4 St Louis (STL) Ontario (ONT) US Airways

Best one-week trip in March from Ontario to St Louis

Travel dates Departure Arrival Stops: Round-trip
Leave Sat, Mar 28 Ontario (ONT) St Louis (STL) US Airways $473
Earn $4.73
Return Sat, Apr 4 St Louis (STL) Ontario (ONT) US Airways
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Flights to St Louis

Airports in Ontario

The province of Ontario is primarily served by Toronto Pearson International Airport. Travelers can use Orbitz.com to search for low cost flights from Ontario through a variety of airlines flying out of the airport, including Air Canada, Air France, Air India, American Eagle, American Airlines, British Airways, Emirates, Lufthansa and United Airlines. The airport is situated approximately 14 miles northwest of the city of Toronto.

Transportation at Toronto Pearson International Airport

Toronto Pearson International Airport offers a variety of transportation options. Taxi service is available in the Greater Toronto Area. Rates are based on distance and time from your departure area. The Downtown Express bus also offers affordable transportation to the airport. Car rental services are available at the airport and can be arranged in advance through Orbitz.com. The LINK train offers complimentary shuttle service between various areas in the airport, including from the parking garages to the terminal areas.

Parking at Ontario Airports

Several parking options are available for travelers departing from the Toronto Pearson International Airport. The parking lot is available at a daily maximum rate of $15.00. The parking garage offers covered parking for just $3.00 more per day. The daily parking lot is only steps from the departure area and is available at a rate of $28.00 per day.

Restaurants at Ontario Airports

Travelers departing from the Toronto Pearson International Airport can easily grab breakfast or a quick snack at one of the airport's many eating establishments, including Starbucks, Subway, Thai Express, Pizza Pizza and A&W. Travelers interested in flights from Ontario may also wish to look for sales when searching for low cost flights on Orbitz.com.

Lambert-St. Louis International Airport

Allow Orbitz.com to help you book flights to St. Louis. Lambert-St.Louis International Airport is located 10 miles northwest of St. Louis. Over 13 million passengers pass through the airport each year. It is the largest airport in the state of Missouri and services 255 daily departures to over 90 cities, domestically and internationally. Southwest Airlines is based out of Lambert, and Air Canada, Alaska Airlines, Cape Air, Delta and American Airlines all have major hubs at Lambert. You can use Orbitz.com to book bargain tickets on your next trip to the St. Louis area.

St. Louis International Airport Transportation

St. Louis International Airport offers a variety of transportation services for the busy traveler. Shuttle services, rental cars, and public transportation are available at the airport. Go Best Express Airport Shuttle is a popular shuttle service for group transportation. One-way fares start at $17. The MetroLink is St. Louis' rail system and operates 37 stations throughout the city. One-way fares cost $2.

St. Louis Weather

St. Louis has distinct seasons. Summers are hot, and temperatures can get as high as 90 degrees F. Spring is usually a rainy season for St. Louis, so it is best to pack an umbrella for your trip during March, April and May. Fall is usually mild, with temperatures averaging 57 degrees F. Winters can be freezing, with temperature falling to 20 degrees F. Bring a warm coat and boots during winter trips to St. Louis.

Popular Attractions in St. Louis

St. Louis offers a variety of attractions for visitors. Some popular attractions include the famous Gateway Arch, Six Flags of St. Louis, the Saint Louis Zoo and Forest Park. St. Louis is also home to several theaters, such as the Ferrara Theatre, Fox Theatre, and Grand Center. Some popular museums include the St. Louis Children's Museum and the Beall Mansion Museums. Book flights to St. Louis with the help of Orbitz.com to visit these popular attractions.

Flight schedule for flights from Ontario to St Louis on Tue, Dec 30, 2014

Carrier Flight # Departing Arriving Aircraft Flight time
Airport Time Airport Time
American Airlines/American Airlines AA2078/AA2096 ONT 9:45 PM STL 4:43 AM 320/319 4hr 58min
American Airlines/US Airways AA2078/US2096 ONT 9:45 PM STL 4:43 AM 320/319 4hr 58min
US Airways/American Airlines US2078/AA2096 ONT 9:45 PM STL 4:43 AM 320/319 4hr 58min
US Airways/US Airways US2078/US2096 ONT 9:45 PM STL 4:43 AM 320/319 4hr 58min
United Airlines/United Airlines UA5547/UA3629 ONT 5:59 AM STL 12:53 PM CRJ/CR7 4hr 54min
Delta Air Lines/Delta Air Lines DL2068/DL880 ONT 6:05 AM STL 1:29 PM 319/320 5hr 24min
American Airlines/American Airlines AA595/AA652 ONT 6:30 AM STL 1:40 PM 321/319 5hr 10min
American Airlines/US Airways AA595/US652 ONT 6:30 AM STL 1:40 PM 321/319 5hr 10min
US Airways/American Airlines US595/AA652 ONT 6:30 AM STL 1:40 PM 321/319 5hr 10min
US Airways/US Airways US595/US652 ONT 6:30 AM STL 1:40 PM 321/319 5hr 10min
American Airlines/American Airlines AA1462/AA166 ONT 6:00 AM STL 2:05 PM M80/M83 6hr 5min
American Airlines/US Airways AA1462/US166 ONT 6:00 AM STL 2:05 PM M80/M83 6hr 5min
US Airways/American Airlines US1462/AA166 ONT 6:00 AM STL 2:05 PM M80/M83 6hr 5min