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

Currently, August is the cheapest month in which you can book a flight from Edmonton to St. Louis (average of $311). Flying from Edmonton to St. Louis in March is currently the most expensive (average of $356). 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 day to fly from Edmonton to St. Louis?

Travelers seeking maximum savings on their Edmonton to St. Louis flight should consider departing on Friday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Edmonton to St. Louis?

Thursday is generally a great day to depart. Flying on this day could help you save up to 92%.

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

It’s typically best to fly out from Edmonton to St. Louis in the morning. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Edmonton 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.

$177+ Flights from Edmonton to St. Louis

Q: How much does it cost to fly round-trip from Edmonton to St. Louis?

Airfare is below average for this route at the moment. Edmonton to St. Louis flights typically cost between $554 and $733 in September. The cheapest round-trip price found within the last 3 days was $318 on United Airlines (Sep 9-Sep 24).

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Cheap flight deals from Edmonton to St. Louis

Round-trip from	$318 (United Airlines)
One-way from	$177 (Trip.com)
Popular in	July
Cheapest in	March
Average price	$653

From Edmonton to Lambert-St Louis

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One-way flight from Edmonton to Lambert-St Louis

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Highest demand for flights based on searches. 17% potential increase in price ($119 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Edmonton to St. Louis

Cheapest flights from Edmonton to St. Louis
Explore the most affordable flight options available from Edmonton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Wed 9/246:35 amSTL - YEG

2 stops16h 29mUnited Airlines

Deal found 8/14

$318

Tue 9/23:17 pmYEG - STL

2 stops22h 02mUnited Airlines

Sat 9/66:35 amSTL - YEG

2 stops16h 29mUnited Airlines

Deal found 8/12

$327

Fri 9/123:17 pmYEG - STL

2 stops18h 23mUnited Airlines

Sat 9/278:00 amSTL - YEG

2 stops15h 04mUnited Airlines

Deal found 8/14

$331

Wed 9/108:05 amYEG - STL

1 stop9h 18mUnited Airlines

Sat 9/279:20 amSTL - YEG

2 stops13h 44mUnited Airlines

Deal found 8/12

$347

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Sun 9/286:30 amSTL - YEG

1 stop10h 55mUnited Airlines

Deal found 8/14

$354

Thu 9/119:25 amYEG - STL

1 stop24h 56mMultiple Airlines

Fri 9/261:00 pmSTL - YEG

2 stops28h 28mMultiple Airlines

Deal found 8/14

$367

Thu 9/119:25 amYEG - STL

1 stop24h 56mMultiple Airlines

Mon 9/294:00 pmSTL - YEG

2 stops23h 57mMultiple Airlines

Deal found 8/14

$370

Thu 9/119:25 amYEG - STL

1 stop24h 56mMultiple Airlines

Sat 9/277:55 pmSTL - YEG

2 stops22h 02mMultiple Airlines

Deal found 8/14

$371

Thu 9/1111:44 amYEG - STL

1 stop11h 15mAlaska Airlines

Fri 9/266:30 pmSTL - YEG

1 stop17h 19mAlaska Airlines

Deal found 8/14

$376

Fri 9/126:00 amYEG - STL

2 stops26h 06mMultiple Airlines

Thu 9/256:30 pmSTL - YEG

1 stop17h 19mMultiple Airlines

Deal found 8/12

$377

Fri 9/125:17 pmYEG - STL

1 stop23h 17mAlaska Airlines

Fri 9/266:30 pmSTL - YEG

1 stop17h 19mAlaska Airlines

Deal found 8/14

$380

Best flights from Edmonton to St. Louis
Discover carefully curated flight deals from Edmonton to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Sat 9/275:28 pmSTL - YEG

1 stop23h 57mUnited Airlines

Deal found 8/14

$318

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Mon 9/299:20 amSTL - YEG

2 stops13h 44mUnited Airlines

Deal found 8/14

$318

Fri 9/123:17 pmYEG - STL

2 stops22h 02mUnited Airlines

Sat 9/276:30 amSTL - YEG

2 stops16h 34mUnited Airlines

Deal found 8/12

$318

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Wed 9/246:35 amSTL - YEG

2 stops16h 29mUnited Airlines

Deal found 8/14

$318

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Tue 9/306:30 amSTL - YEG

2 stops16h 34mUnited Airlines

Deal found 8/14

$318

Tue 9/23:17 pmYEG - STL

2 stops22h 02mUnited Airlines

Sat 9/66:35 amSTL - YEG

2 stops16h 29mUnited Airlines

Deal found 8/12

$327

Last-minute flights from Edmonton to St. Louis
Discover last-minute flight deals from Edmonton to St. Louis. Data last updated August 14, 2025 and is based on user searches.

Tue 9/23:17 pmYEG - STL

2 stops22h 02mUnited Airlines

Sat 9/66:35 amSTL - YEG

2 stops16h 29mUnited Airlines

Deal found 8/12

$327

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Wed 9/246:35 amSTL - YEG

2 stops16h 29mUnited Airlines

Deal found 8/14

$318

Tue 9/96:00 amYEG - STL

2 stops14h 32mUnited Airlines

Sun 9/286:30 amSTL - YEG

1 stop10h 55mUnited Airlines

Deal found 8/14

$354

Wed 9/108:05 amYEG - STL

1 stop9h 18mUnited Airlines

Sat 9/279:20 amSTL - YEG

2 stops13h 44mUnited Airlines

Deal found 8/12

$347

Thu 9/119:25 amYEG - STL

1 stop24h 56mMultiple Airlines

Fri 9/261:00 pmSTL - YEG

2 stops28h 28mMultiple Airlines

Deal found 8/14

$367

Thu 9/119:25 amYEG - STL

1 stop24h 56mMultiple Airlines

Mon 9/294:00 pmSTL - YEG

2 stops23h 57mMultiple Airlines

Deal found 8/14

$370

Thu 9/119:25 amYEG - STL

1 stop24h 56mMultiple Airlines

Sat 9/277:55 pmSTL - YEG

2 stops22h 02mMultiple Airlines

Deal found 8/14

$371

Thu 9/1111:44 amYEG - STL

1 stop11h 15mAlaska Airlines

Sat 9/273:35 pmSTL - YEG

1 stop20h 14mAlaska Airlines

Deal found 8/14

$376

Fri 9/123:17 pmYEG - STL

2 stops18h 23mUnited Airlines

Sat 9/278:00 amSTL - YEG

2 stops15h 04mUnited Airlines

Deal found 8/14

$331

Fri 9/126:00 amYEG - STL

2 stops26h 06mMultiple Airlines

Thu 9/256:30 pmSTL - YEG

1 stop17h 19mMultiple Airlines

Deal found 8/12

$377

Fri 9/125:17 pmYEG - STL

1 stop23h 17mAlaska Airlines

Fri 9/266:30 pmSTL - YEG

1 stop17h 19mAlaska Airlines

Deal found 8/14

$380

One-way flights from Edmonton to St. Louis
Search for one-way flight options from Edmonton to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sun 9/288:45 pmYEG - STL

2 stops17h 19mMultiple Airlines

Deal found 8/13

$177

Tue 9/303:17 pmYEG - STL

2 stops18h 32mUnited Airlines

Deal found 8/13

$185

Tue 9/308:00 amYEG - STL

3 stops48h 40mMultiple Airlines

Deal found 8/13

$192

Sat 9/278:05 amYEG - STL

2 stops26h 55mMultiple Airlines

Deal found 8/12

$206

Tue 9/305:17 pmYEG - STL

1 stop20h 22mAlaska Airlines

Deal found 8/12

$230

Sat 9/133:17 pmYEG - STL

2 stops18h 23mUnited Airlines

Deal found 8/12

$265

Sun 9/289:25 amYEG - STL

1 stop12h 44mWestJet

Deal found 8/13

$269

Fly from

Fly to

Route

Depart

Return

Price

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

6:00 am-9:32 pm

2 stops14h 32m

Lambert-St Louis

Sat 9/27

5:28 pm-4:25 pm

1 stop23h 57m

$318

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

6:00 am-9:32 pm

2 stops14h 32m

Lambert-St Louis

Mon 9/29

9:20 am-10:04 pm

2 stops13h 44m

$318

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 9/12

3:17 pm-2:19 pm

2 stops22h 02m

Lambert-St Louis

Sat 9/27

6:30 am-10:04 pm

2 stops16h 34m

$318

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

6:00 am-9:32 pm

2 stops14h 32m

Lambert-St Louis

Wed 9/24

6:35 am-10:04 pm

2 stops16h 29m

$318

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

6:00 am-9:32 pm

2 stops14h 32m

Lambert-St Louis

Tue 9/30

6:30 am-10:04 pm

2 stops16h 34m

$318

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/2

3:17 pm-2:19 pm

2 stops22h 02m

Lambert-St Louis

Sat 9/6

6:35 am-10:04 pm

2 stops16h 29m

$327

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 9/28

8:45 pm-3:04 pm

2 stops17h 19m

$177

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/30

3:17 pm-10:49 am

2 stops18h 32m

$185

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/30

8:00 am-9:40 am

3 stops48h 40m

$192

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 9/27

8:05 am-12:00 pm

2 stops26h 55m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 11 results

Best time to book a flight from Edmonton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Edmonton 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.

Cheapflights Insights

Everything you need to know about your flight from Edmonton to St. Louis

How much does it cost to fly round-trip from Edmonton to St. Louis?

Related info for your journey

Can I find deals for flights from Edmonton to St. Louis that include hotel bookings?
Yes. In addition to deals on Edmonton to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Edmonton to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Edmonton to St. Louis.
Can I find deals for business class flights from Edmonton to St. Louis?
Yes. Cheapflights offers flight deals from Edmonton 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 Edmonton to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Edmonton to St. Louis (average of $311). Flying from Edmonton to St. Louis in March is currently the most expensive (average of $356). 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

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Chesterfield

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Festus

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$177+ Cheap flights from Edmonton (YEG) to St. Louis (STL)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Edmonton to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Edmonton to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Edmonton to St. Louis

Cheapest flights from Edmonton to St. LouisExplore the most affordable flight options available from Edmonton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Edmonton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

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Use the filters below to find and compare flights from Edmonton to St. Louis that are best for you.

Best time to book a flight from Edmonton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Edmonton with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Edmonton to St. Louis

How much does it cost to fly round-trip from Edmonton to St. Louis?

Related info for your journey

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

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

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

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

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

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Cheapest flights from Edmonton to St. Louis
Explore the most affordable flight options available from Edmonton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.