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C$ 223+ Cheap flights to St. Charles

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
26 Jan — 2 Feb1
1 adult

Flights to St. Charles in 2025

Find the latest flights to St. Charles in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 21 January 2025.

Round-trip from

C$ 610

One-way from

C$ 223

Popular in

January

Cheapest in

February

Average price

C$ 760
Delta
  • Delta
  • 19/2-26/2
  • 2 total stops
  • 18h 56m total
  • Toronto to St. Louis
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11/3
  • 11/3
  • 2 total stops
  • 14h 16m total
  • Toronto to St. Charles
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High demand for flights, 3% 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 January 2025
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Find flight deals to St. Charles

Cheapest flights to St. Charles
Explore the most affordable flight options available to St. Charles. Find the lowest fares based on data from user searches, with prices last updated on 21 January 2025.

Sun 26/17:05 a.m.YYZ - STL
1 stop8h 38mMultiple Airlines
Mon 27/15:05 p.m.STL - YYZ
1 stop17h 40mMultiple Airlines
Deal found 20/1C$ 596
Wed 19/27:55 a.m.YYZ - STL
1 stop9h 54mDelta
Wed 26/26:06 a.m.STL - YYZ
1 stop9h 02mDelta
Deal found 20/1C$ 610
Thu 13/21:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Sun 16/210:18 a.m.STL - YYZ
1 stop7h 23mAir Canada
Deal found 20/1C$ 690
Mon 10/210:59 a.m.YYZ - STL
1 stop12h 09mAmerican Airlines
Wed 12/26:00 a.m.STL - YYZ
1 stop9h 34mAmerican Airlines
Deal found 20/1C$ 701
Thu 13/21:50 p.m.YYZ - STL
Nonstop2h 16mUnited Airlines
Sun 16/28:05 a.m.STL - YYZ
1 stop7h 41mUnited Airlines
Deal found 20/1C$ 714
Mon 24/36:30 p.m.YYZ - STL
2 stops15h 44mWestJet
Sun 30/36:00 a.m.STL - YYZ
1 stop15h 59mWestJet
Deal found 19/1C$ 780
Wed 26/24:20 p.m.YYZ - STL
2 stops17h 24mAlaska Airlines
Tue 4/36:10 a.m.STL - YYZ
2 stops31h 45mAlaska Airlines
Deal found 20/1C$ 954

Find flights to St. Charles within your budget

Locate flights to St. Charles that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 21 January 2025.

Fly from

Any airport

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 19/2

7:55 a.m.-4:49 p.m.

1 stop9h 54m

Lambert-St Louis

Wed 26/2

6:06 a.m.-4:08 p.m.

1 stop9h 02m

C$ 610

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 1/2

8:15 p.m.-7:22 a.m.

1 stop12h 07m

Lambert-St Louis

Wed 9/7

9:49 p.m.-7:59 p.m.

1 stop21h 10m

C$ 641

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 10/2

10:59 a.m.-10:08 p.m.

1 stop12h 09m

Lambert-St Louis

Wed 12/2

6:00 a.m.-4:34 p.m.

1 stop9h 34m

C$ 678

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 13/2

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

Nonstop2h 16m

Lambert-St Louis

Sun 16/2

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

Nonstop1h 55m

C$ 684

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 28/2

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

Nonstop2h 16m

Lambert-St Louis

Mon 3/3

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

Nonstop1h 55m

C$ 703

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 22/3

6:00 a.m.-9:36 a.m.

1 stop4h 36m

Lambert-St Louis

Sat 29/3

8:30 a.m.-9:15 a.m.

1 stop23h 45m

C$ 750

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 26/2

4:20 p.m.-8:44 a.m.

2 stops17h 24m

Lambert-St Louis

Tue 4/3

6:10 a.m.-2:55 p.m.

2 stops31h 45m

C$ 954

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 4/3

8:00 p.m.-9:16 a.m.

2 stops14h 16m

C$ 226

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 14/3

6:15 a.m.-8:52 p.m.

1 stop15h 37m

C$ 379

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 9/3

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

Nonstop2h 16m

C$ 387

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/1

Showing 1-10 of 12 results
1
2

Best time to book a flight to St. Charles

Have a flexible travel schedule? Discover the best time to fly to St. Charles 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 to St. Charles

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

When is the best time to book a flight to St. Charles?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to St. Charles. Price data was last updated on 17 January 2025.

To ensure you get the cheapest price possible for a flight to St. Charles, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to St. Charles?

On average, a flight from Toronto to St. Charles takes 2 hours 6 minutes. Flights to St. Charles from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to St. Charles

The most flights from Toronto to St. Charles are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

What are the most popular airlines that fly to St. Charles?

The most popular airlines flying from Toronto to St. Charles are Air Canada and United Airlines.

Air Canada

Air Canada

From C$ 376

United Airlines

United Airlines

From C$ 361

What are the cheapest airlines that fly to St. Charles?

The cheapest airlines flying from Toronto to St. Charles are United Airlines and Air Canada.

Rainfall in St. Charles by month

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

In terms of precipitation, rainfall in St. Charles 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. Charles when rainfall is around 56.0 mm.

Temperature in St. Charles by month

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

If weather is an important factor for your trip to St. Charles, 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. Charles

Get insights into the airlines that provide service to St. Charles. 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. Charles. Reviews last updated 21 January 2025.
Read through reviews of airlines servicing St. Charles, such as United Airlines and Air Canada. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,696 reviews
Check prices

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,696 reviews
Alaska Airlines
8.0
Very good
9,696 reviews
Check prices

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,696 reviews
Check prices

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,982 reviews
Alaska Airlines
8.0
Very good
9,696 reviews
Check prices

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,696 reviews
Check prices

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet
7.2
Good
2,828 reviews
Alaska Airlines
8.0
Very good
9,696 reviews
Check prices

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

  • Can I find cheaper flights to St. Charles if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Charles on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Charles?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to St. Charles.

  • How much is a round-trip flight to St. Charles?

    A round-trip flight to St. Charles will typically cost around C$ 462, however they can be found for as little as C$ 255.

  • Where does the fastest flight to St. Charles depart from?

    For those looking to save time traveling to St. Charles, Toronto offers the quickest one-way flight (2 hours 6 minutes).

  • Does Lambert-St Louis have rental cars?

    Yes. Those touching down at Lambert-St Louis can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

See more FAQs

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Yes, Cheapflights offers price alerts on St. Charles flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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