HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. John's

$786+ Cheap flights from St. Louis (STL) to St. John's (YYT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYT
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to St. John's with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to St. John's

Cheapest flights from St. Louis to St. John's
Explore the most affordable flight options available from St. Louis to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:07 pm
STL
-
YYT
2 stops19h 28m
American Airlines
Tue 9/110:00 am
YYT
-
STL
2 stops13h 14m
American Airlines
Deal found 7/28$786
This Air Canada deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:55 am
STL
-
YYT
2 stops12h 03m
Air Canada
Wed 9/27:35 am
YYT
-
STL
2 stops13h 37m
Air Canada
Deal found 7/27$863
This Air Canada deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 am
STL
-
YYT
1 stop7h 35m
Air Canada
Tue 9/12:05 pm
YYT
-
STL
1 stop7h 07m
Air Canada
Deal found 7/28$898

Find flight deals from St. Louis to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to St. John's (YYT). 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 August 1, 2026.

Round-trip from

$786
(American Airlines)
From Lambert-St Louis to St John's
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to St. John's 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 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from St. Louis to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Mon 8/31

8:55 am-11:28 pm

2 stops12h 03m

St John's

Wed 9/2

7:35 am-6:42 pm

2 stops13h 37m

$863

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Mon 1/11

4:05 pm-1:36 am

1 stop7h 01m

St John's

Thu 1/14

5:15 am-3:26 pm

2 stops12h 41m

$881
Quickest round-trip

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Tue 8/25

8:55 am-7:00 pm

1 stop7h 35m

St John's

Tue 9/1

5:20 am-2:02 pm

2 stops11h 12m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Sorted by cheapest first

Best time to book a flight from St. Louis to St. John's

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

Reviews of airlines servicing St. John's

Get insights into the airlines that provide service to St. John's. 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. John's. Reviews last updated August 1, 2026.
Read through reviews of airlines operating flights from St. Louis to St. John's, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,415 reviews

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Comfort

7.1

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.
Air Canada
7.1
Good
11,415 reviews
Air Canada
7.1
Good
11,415 reviews

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Comfort

7.1

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.

Related info for your journey

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

  • How long is the flight from St. Louis to St. John's?

    Departing from St. Louis to St. John's will take you 12h 03m. There are 1969 mi between St. Louis and St. John's.

  • What is the cheapest airline to fly from St. Louis to St. John's round-trip?

    Air Canada, at $641, was found to be the cheapest airline from St. Louis to St. John's..

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

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

  • How can I find direct flights from St. Louis to St. John's?

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

  • Can I find deals for business class flights from St. Louis to St. John's?

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to St. John's

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to St. John's flights

Top airline flying from St. Louis to St. John's

Discover the top airline that operate flights from St. Louis to St. John's. 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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$641Average$839FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.