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Cheap flights from Toronto to St. Louis from C$ 209

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — STL
23 Dec — 30 Dec1
1 adult

The best prices from Toronto to Lambert-St Louis are usually found in February or May, booked 78 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Toronto to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 608

One-way from

C$ 209

Popular in

December

Cheapest in

February

Average price

C$ 763
16/1-22/1
  • 16/1-22/1
  • 6 total stops
  • 72h 48m total
  • Toronto to St. Louis
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7/1
  • 7/1
  • 1 total stop
  • 17h 17m total
  • Toronto to St. Louis
Search Deals
High demand for flights, 4% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Toronto to St. Louis

Cheapest flights from Toronto to St. Louis
Explore the most affordable flight options available from Toronto to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 17/128:15 p.m.YYZ - STL
1 stop15h 29mMultiple Airlines
Thu 16/18:31 p.m.STL - YYZ
2 stops16h 24mMultiple Airlines
Deal found 17/12C$ 793
Sat 28/1212:20 p.m.YYZ - STL
2 stops10h 25mUnited Airlines
Thu 2/18:35 a.m.STL - YYZ
1 stop13h 17mUnited Airlines
Deal found 18/12C$ 840
Sun 22/1211:50 a.m.YYZ - STL
1 stop8h 10mAmerican Airlines
Sun 29/125:36 a.m.STL - YYZ
1 stop11h 04mAmerican Airlines
Deal found 17/12C$ 1,283
Sun 22/1210:00 a.m.YYZ - STL
2 stops13h 06mWestJet
Sun 29/125:55 p.m.STL - YYZ
1 stop3h 46mWestJet
Deal found 16/12C$ 1,340
Tue 24/121:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Sun 29/125:30 p.m.STL - YYZ
1 stop5h 29mAir Canada
Deal found 18/12C$ 1,375
Sun 22/1210:05 a.m.YYZ - STL
2 stops8h 25mDelta
Sun 29/126:29 a.m.STL - YYZ
1 stop3h 53mDelta
Deal found 17/12C$ 1,625
Sun 22/124:22 p.m.YYZ - STL
2 stops17h 30mAlaska Airlines
Sun 29/127:24 a.m.STL - YYZ
2 stops30h 43mAlaska Airlines
Deal found 16/12C$ 2,609

Find flights from Toronto to St. Louis within your budget

Customize your flight search to find flights from Toronto to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 9/1

2:55 p.m.-7:55 p.m.

3 stops30h 00m

Lambert-St Louis

Sun 12/1

4:28 p.m.-1:55 p.m.

2 stops20h 27m

C$ 588

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 16/1

1:14 p.m.-10:09 p.m.

1 stop9h 55m

Lambert-St Louis

Wed 22/1

12:00 p.m.-9:20 p.m.

1 stop8h 20m

C$ 630

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 16/1

2:30 p.m.-9:06 p.m.

1 stop7h 36m

Lambert-St Louis

Wed 22/1

6:05 a.m.-4:11 p.m.

1 stop9h 06m

C$ 636

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 16/1

1:50 p.m.-3:06 p.m.

Nonstop2h 16m

Lambert-St Louis

Wed 22/1

3:50 p.m.-6:45 p.m.

Nonstop1h 55m

C$ 677

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 16/1

1:50 p.m.-3:06 p.m.

Nonstop2h 16m

Lambert-St Louis

Wed 22/1

3:50 p.m.-6:45 p.m.

Nonstop1h 55m

C$ 687

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 15/2

5:15 p.m.-9:36 a.m.

1 stop17h 21m

Lambert-St Louis

Thu 20/2

6:00 a.m.-11:33 p.m.

2 stops16h 33m

C$ 771

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 2/4

4:30 p.m.-11:59 p.m.

1 stop32h 29m

Lambert-St Louis

Sun 6/4

6:44 a.m.-2:40 p.m.

1 stop30h 56m

C$ 828

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 7/1

7:10 a.m.-11:27 p.m.

1 stop17h 17m

C$ 209

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 7/1

1:50 p.m.-3:06 p.m.

Nonstop2h 16m

C$ 373

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 7/1

1:50 p.m.-3:06 p.m.

Nonstop2h 16m

C$ 378

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 11 results
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Best time to book a flight from Toronto to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Toronto to St. Louis

Get recent, data-driven insights about flights from Toronto to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Toronto to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to St. Louis. Price data was last updated on 13 December 2024.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Toronto to St. Louis?

Currently, January is the cheapest month in which you can book a flight from Toronto to St. Louis (average of C$ 365). Flying from Toronto to St. Louis in September is currently the most expensive (average of C$ 491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YTO to STL?

Find hourly flight availability from Toronto to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

Unlike at noon, when flights are generally more expensive, you can save up to 4% on flights from Toronto to St. Louis by exploring options for tickets in the afternoon.

Weekly flight availability from Toronto to St. Louis

Explore weekly flight availability from Toronto to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 December 2024.

The most flights from YTO to STL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 18 December 2024.
Read reviews from past customers who have flown Air Canada, United Airlines and WestJet from Toronto to St. Louis. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,552 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,604 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,059 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

WestJet
7.3
Good
2,818 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from Toronto to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Toronto?

    If you book a flight to St. Louis from Toronto, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 20.4 km from the centre of St. Louis. There are 2 flights from Toronto to Lambert-St Louis per day from 2 different airlines.

  • What are the cheapest airlines flying from Toronto to St. Louis round-trip?

    Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at C$ 630. Additional round-trip tickets that might be worth considering are offered by Delta and Air Canada, with the lowest prices starting at C$ 643 and C$ 677, respectively. American Airlines is currently priced 6% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Toronto to St. Louis one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 373. Users have also found prices from C$ 378 and C$ 538 on United Airlines and Delta, respectively.

  • What are the most reliable airlines from Toronto to St. Louis?

    The top 3 most reliable airlines when flying from Toronto to St. Louis are United Airlines (91%), Air Canada (91%) and Jazz (91%).

  • What are the cheapest flights from Toronto to St. Louis?

    While on average a flight from Toronto to St. Louis is generally C$ 680, our data shows the cheapest flight currently is C$ 378. When looking at the most popular route, (Toronto Pearson Intl - Lambert-St Louis), you can expect to pay C$ 404 for that flight.

  • Can I find deals for flights from Toronto to St. Louis that include hotel bookings?

    Yes. In addition to deals on Toronto to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to St. Louis.

  • Can I find deals for business class flights from Toronto to St. Louis?

    Yes. Cheapflights offers flight deals from Toronto to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to St. Louis?

    Currently, January is the cheapest month in which you can book a flight from Toronto to St. Louis (average of C$ 365). Flying from Toronto to St. Louis in September is currently the most expensive (average of C$ 491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Toronto to St. Louis

Discover the top 2 airlines that operate flights from Toronto to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 515AverageC$ 695FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 531AverageC$ 692FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto to St. Louis?

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Can Cheapflights notify me if prices for flights from Toronto to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Toronto to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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