Looking for domestic flights from Ontario to St Louis? Flying to St Louis is now easy with JetSaver. You can find great flight deals from Ontario to St Louis starting at just $271 from 100+ online travel agencies and airlines. Compare Ontario to St Louis flight ticket fares by choosing date as per your preference. Book Ontario to St Louis flights with fares as low as $271—no extra charges or hidden costs . Check out ONT to STL flight schedules and fares on JetSaver before booking to get the best airfares to St Louis.
These are the top airlines
Frontier Airlines, Delta Airlines, American Airlines, United Airlines, Hawaiian Airlines, Alaska Airlines
Flights between Ontario to St Louis are frequent, with several airlines offering direct and connecting services. JetSaver brings you all the relevant Ontario to St Louis flight information, from flight timings to airline details, ensuring hassle-free travel planning. Whether you’re looking for budget-friendly flights or premium services, there’s an option for every traveler. For travelers looking to book Ontario to St Louis flights, JetSaver provides a comprehensive comparison of flight options, ensuring the best deals for your journey.
Both these cities offer comfortable traveling, and it can become an interesting experience to travel to these destinations for business or tourism. St Louis has magnificent and well-designed buildings, lovely parks, and vibrant markets in the city. This is a fascinating destination to visit, and one can be assured of an entertaining experience with good museums, themed restaurants, and exciting nightlife.
Book your Ontario to St Louis flights at the lowest prices with JetSaver’s unbeatable fares and exclusive deals. Our platform allows you to filter flight options based on airline, duration, departure, and arrival times, with both direct and layover flights available. Flights to St Louis from ONT start as low as $271, with a variety of flight options to choose from. The shortest flight duration is just 02:19 hours. For greater savings, be sure to book your return St Louis to Ontario flight through JetSaver!
Looking for cheap flights from Ontario to St Louis? Flight fare comparison for flights to St Louis from Ontario depends on the time of year, airline, and how far in advance you book your flight ticket. When looking for the best deals for your trip, consider different airlines and make your travel bookings as early as possible. Compare the flight fares among different airlines for economy, premium economy, and business class options. This helps you find a flight that suits both your budget and preferences.
Note: Prices are approximate and can vary based on the time of year, demand, and other factors.
Airline
Economy (Low)
Economy (Average)
Economy (Peak)
Premium Economy (Low)
Premium Economy (Average)
Premium Economy (Peak)
Business Class (Low)
Business Class (Average)
Business Class (Peak)
American Airlines
$150
$250
$400
$300
$450
$600
$800
$1,200
$1,800
Delta Air Lines
$160
$260
$420
$320
$480
$640
$820
$1,300
$2,000
United Airlines
$170
$270
$430
$330
$490
$650
$830
$1,350
$2,100
Southwest Airlines
$180
$280
$440
$340
$500
$660
$840
$1,400
$2,200
Frontier Airlines
$190
$290
$450
$350
$510
$670
$850
$1,450
$2,300
Are you worried about the duration and time taken to travel on flights from Ontario to St Louis? Flight duration and distance from ONT to STL are crucial choice, particularly if you're planning a short trip. Below is some information regarding the approximate flight time and the distance for flights to St Louis from Ontario destinations.
Flight Type
Average Flight Duration
Approximate Air Distance
Non-stop
2 hours 30 minutes
1,100 miles
Connecting
4-5 hours
1,100 miles
Generally, flights between Ontario and St Louis fluctuate with each season; therefore, it is always advisable to check the flight availability for your preferred dates. ONT to St Louis is one of the busiest routes where many passengers traveling daily are very high and so are the facilities provided to the travelers. When planning your travel from ONT to STL, the time of departure should be convenient enough to suit your preferences. Many airlines often offer many flights during different times of the day including morning, afternoon, and evening. Here’s an outline of the major airlines servicing this route and the frequency of their flights:
Note: Flight times and frequencies are subject to change and may vary based on seasonal demand or other factors. Always check with the airline for the most up-to-date information.
Airline
Morning Flight Time
Afternoon Flight Time
Evening Flight Time
Weekly Frequency
American Airlines
6:00 AM, 7:00 AM
12:30 PM, 2:00 PM
5:00 PM, 7:00 PM
Daily (7)
Delta Air Lines
6:30 AM, 8:00 AM
1:00 PM, 3:30 PM
4:30 PM, 6:30 PM
Daily (7)
United Airlines
7:30 AM, 9:00 AM
2:30 PM, 4:00 PM
5:30 PM, 7:30 PM
Daily (7)
Southwest Airlines
6:00 AM, 8:00 AM
12:00 PM, 2:30 PM
5:00 PM, 7:00 PM
Daily (7)
Frontier Airlines
7:00 AM, 9:30 AM
1:30 PM, 3:30 PM
4:30 PM, 6:30 PM
Daily (6)
Booking trends and prices from ONT to STL are worth considering for cheap flights from Ontario to St Louis. Timing is very important when it comes to looking for the best airline to book when looking for a flight from ONT to St Louis. There are some off-peak months in the year, and the ticket costs will be cheap during these months. The best thing you can do when planning for a trip from ONT to STL is to ensure that you book your tickets a month or two before the time of travel, By doing this you will be able to find the best deals available. It’s often cheaper to fly during the week than the weekend, and Tuesday or Wednesday usually offers the best flight prices. Here’s an overview of average monthly prices and some tips to help you book smarter:
Note: The best days and times to book may vary based on specific travel dates and seasonal trends. These insights are based on recent data and should be used as a general guideline.
Booking Trend Insights
Best Days to Book
Best Times to Book
Average Price
$250-$350
3:00 AM - 4:00 AM
Cheapest Days
Tuesdays, Wednesdays
1:00 AM - 2:00 AM
Peak Travel Periods
Fridays, Sundays
10:00 AM - 11:00 AM
Last-Minute Deals
2-3 days before flight
12:00 AM - 1:00 AM
Popular Airlines
American Airlines, Delta
N/A
Booking Window
21-30 days in advance
N/A
There are several amenities provided by the different airlines that operate between Ontario and St Louis. Many airlines have additional services such as Wi-Fi on airplanes, electrical outlets, entertainment for flyers, and even free snacks and beverages. Comparing the amenities and services for flights from Ontario to St Louis across airlines can help you choose the one that best fits your preferences.
Note: Amenities may vary depending on the specific flight and class of service. This table provides a general overview based on typical offerings.
Airline
Wi-Fi Availability
Power Outlets
Food Options
Entertainment Services
American Airlines
Yes
Yes
Snacks, Meals
In-flight movies, TV shows, music
Delta Air Lines
Yes
Yes
Snacks, Meals
In-flight movies, TV shows, music
United Airlines
Yes
Yes
Snacks, Meals
In-flight movies, TV shows, music
Southwest Airlines
Yes
Yes
Snacks
In-flight TV shows, music
Frontier Airlines
No
Limited
Snacks
Limited in-flight entertainment
Spirit Airlines
No
Limited
Limited snacks
Limited in-flight entertainment
When planning a trip from Ontario to St Louis, knowing baggage policies and fees for flights from ONT to St Louis is crucial.In the case of carry-ons, the cost can vary depending on the airline and the class of service, while for checked baggage the policies may also vary greatly. Another factor one must compare while looking for flight ticket is baggage fees because if you are carrying multiple bags it can turn out to be very expensive.
Note: Policies are subject to change and may vary based on fare type and travel dates. Always check with the airline for the most up-to-date information.
Airline
Cabin Baggage Allowance (kg)
Checked Baggage Fees (USD)
American Airlines
2 x 23 kg (total 46 kg)
$30 (first checked bag), $40 (second checked bag)
Delta Air Lines
2 x 23 kg (total 46 kg)
$30 (first checked bag), $40 (second checked bag)
United Airlines
2 x 23 kg (total 46 kg)
$30 (first checked bag), $40 (second checked bag)
Southwest Airlines
1 x 25 kg
$75 (first checked bag), $100 (second checked bag)
Frontier Airlines
1 x 20 kg
$30 (first checked bag), $40 (second checked bag)
Spirit Airlines
1 x 20 kg
$35 (first checked bag), $45 (second checked bag)
You've come to the right place if you're looking for the greatest activities in and around St. Louis! From riding to the top of the nation's highest monument to supporting the 11-time World Series champion St. Louis Cardinals, Gateway City is home to an endless range of excitement. Here are our top picks, but there's plenty more to explore.
While spring is a great time to visit St. Louis, the weather is not always consistent. Bring at least one warm item of clothing because there may be random cold waves and temperatures that range from the mid-50s to the mid-70s. Bring your allergy medication if you suffer from allergies, as springtime allergies can be problematic due to high pollen levels. Because St. Louis is an excellent city to walk, wear comfortable shoes so you can walk around Forest Park or downtown without worrying about blisters.
Using JetSaver can assist you travel to St. Louis on a budget. Using our platform, you can filter results by the price range you'd want to see and explore alternatives based on user searches. We locate providers who satisfy your trip needs. You may review the costs of flights from up to four different travel agencies side by side, compare them, and select the best value!
1. Which is best airport to choose while traveling to St Louis from Ontario ONT airport?
To reach early to the city center in St Louis, you can consider booking flight tickets from ONT to STL airport while booking your flight tickets to St Louis from Ontario.
2. How can I find the Ontario to St Louis last-minute flights?
Finding last minute flights from Ontario to St Louis is easy but it mostly have high ticket fare as it completely depends on availability & demand. To get low fare tickets from Ontario to St Louis you need to plan as early as possible.
3. Are there business class flights from ONT to STL?
Yes, almost every airline will have business class while traveling from ONT to STL. To book business class tickets from Ontario to St Louis, you need filter the results with travel class as business and book the suitable from the results.
4. How can I book a direct flight from ONT to STL?
Yes, there will be direct flights operating from Ontario to St Louis every week. But availability is depends on the demand, plan early to book direct flight tickets.
5. What is the best time to find Ontario to St Louis affordable flights?
The best time to find affordable & low cost flight tickets is during weekdays and off-peak seasons. Usually, ticket prices will be comparatively lower than peak seasons making it easy to find low cost flights.
6. How long does it take to fly from Ontario to St Louis?
The flight duration from Ontario (ONT) to St Louis (STL) is approximately 02:19 hours. However, actual times may vary depending on weather conditions and the specific flight route.
7. What is the cheapest time to fly from ONT to STL?
The cheapest time to book flights from ONT to St Louis is during weekdays and off-peak travel periods. Use JetSaver to compare fares and get the best deals.
8. What is the cheapest airfare to travel from Ontario to St Louis?
The cheapest fare from Ontario to St Louis begins at just $271. This affordable option allows travelers to have a great travel, which makes it a popular choice for short journeys.
9. Which airline offers the lowest fare for flights from Ontario to St Louis?
The lowest fare is just $271 on a Frontier Airlines flight. Frontier Airlines is one of the best airlines that provides budget-friendly travel options to match your travel requirements.
10. How early should I arrive at the airport before departure?
For domestic flights, it's advised to arrive at the airport at least 2 hours before departure, while for international flights, 3 hours is ideal. This makes sure that the boarding process is stress-free by allowing time for check-in, security screening, and any delays.
11. What are the options for nonstop flights from Ontario to St Louis?
Multiple airlines offer nonstop flights from Ontario to St Louis, providing frequent daily departures. To find the best fares, compare prices on Jetsaver and book in advance for the best deals.
Popular Airlines from Ontario to St. Louis
Popular Routes to St. Louis
Popular Routes from Ontario
