Cheap flights from St. Louis to St. John's from C$ 951

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to St. John's departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 p.m. - 12:45 p.m.
STL
-
YYT
18h 10m2 stops
Air Canada Logo
8:55 p.m. - 3:29 p.m.
YYT
-
STL
21h 04m2 stops
C$ 951Air Canada
Wed, 21 Jan - Sat, 24 Jan
Air Canada Logo
4:05 p.m. - 12:43 p.m.
STL
-
YYT
18h 08m2 stops
Air Canada Logo
8:55 p.m. - 3:24 p.m.
YYT
-
STL
20h 59m2 stops
C$ 972Air Canada
Sat, 4 Apr - Wed, 8 Apr
Air Canada Logo
4:05 p.m. - 12:45 p.m.
STL
-
YYT
18h 10m2 stops
Air Canada Logo
8:55 p.m. - 3:29 p.m.
YYT
-
STL
21h 04m2 stops
C$ 979Air Canada
Thu, 15 Jan - Thu, 5 Feb
Air Canada Logo
4:05 p.m. - 1:58 a.m.
STL
-
YYT
7h 23m1 stop
Air Canada Logo
8:55 p.m. - 3:29 p.m.
YYT
-
STL
21h 04m2 stops
C$ 1,018Air Canada
Thu, 15 Jan - Thu, 5 Feb
Air Canada Logo
4:05 p.m. - 12:45 p.m.
STL
-
YYT
18h 10m2 stops
Air Canada Logo
5:00 a.m. - 3:29 p.m.
YYT
-
STL
12h 59m1 stop
C$ 1,036Air Canada
Wed, 21 Jan - Sat, 24 Jan
Air Canada Logo
7:30 a.m. - 11:28 p.m.
STL
-
YYT
13h 28m2 stops
Air Canada Logo
11:05 a.m. - 8:04 p.m.
YYT
-
STL
11h 29m2 stops
C$ 1,042Air Canada
Mon, 25 May - Tue, 2 Jun
Air Canada Logo
4:05 p.m. - 9:33 a.m.
STL
-
YYT
14h 58m2 stops
Air Canada Logo
5:00 a.m. - 3:24 p.m.
YYT
-
STL
12h 54m1 stop
C$ 1,061Air Canada
Sat, 4 Apr - Wed, 8 Apr
Air Canada Logo
7:30 a.m. - 7:43 p.m.
STL
-
YYT
9h 43m2 stops
Air Canada Logo
1:35 p.m. - 8:04 p.m.
YYT
-
STL
8h 59m1 stop
C$ 1,085Air Canada
Mon, 25 May - Tue, 2 Jun
Air Canada Logo
4:05 p.m. - 1:58 a.m.
STL
-
YYT
7h 23m1 stop
Air Canada Logo
5:00 a.m. - 3:29 p.m.
YYT
-
STL
12h 59m1 stop
C$ 1,095Air Canada
Wed, 21 Jan - Sat, 24 Jan
Air Canada Logo
4:05 p.m. - 1:58 a.m.
STL
-
YYT
7h 23m1 stop
Air Canada Logo
6:35 a.m. - 3:29 p.m.
YYT
-
STL
11h 24m1 stop
C$ 1,103Air Canada
Thu, 15 Jan - Thu, 5 Feb

Air Canada flights from St. Louis to St. John's

Our best Air Canada deals on St. Louis to St. John's flight tickets
Air Canada
21 Jan
STL4:05 p.m.Lambert-St Louis
18h 10m
2 stops
YYT12:45 p.m.St John's
24 Jan
YYT8:55 p.m.St John's
21h 04m
2 stops
STL3:29 p.m.Lambert-St Louis
Air Canada
21 Jan
STL4:05 p.m.Lambert-St Louis
18h 10m
2 stops
YYT12:45 p.m.St John's
24 Jan
YYT8:55 p.m.St John's
21h 04m
2 stops
STL3:29 p.m.Lambert-St Louis
Air Canada
4 Apr
STL4:05 p.m.Lambert-St Louis
18h 08m
2 stops
YYT12:43 p.m.St John's
8 Apr
YYT8:55 p.m.St John's
20h 59m
2 stops
STL3:24 p.m.Lambert-St Louis

momondo 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, momondo users made 96,600 searches. Data last updated 27 December 2025.
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

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 21/1

4:05 p.m.-12:45 p.m.

2 stops18h 10m

St John's

Sat 24/1

8:55 p.m.-3:29 p.m.

2 stops21h 04m

C$ 951

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sat 4/4

4:05 p.m.-12:43 p.m.

2 stops18h 08m

St John's

Wed 8/4

8:55 p.m.-3:24 p.m.

2 stops20h 59m

C$ 972

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Thu 15/1

4:05 p.m.-12:45 p.m.

2 stops18h 10m

St John's

Thu 5/2

8:55 p.m.-3:29 p.m.

2 stops21h 04m

C$ 979

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Thu 15/1

4:05 p.m.-1:58 a.m.

1 stop7h 23m

St John's

Thu 5/2

8:55 p.m.-3:29 p.m.

2 stops21h 04m

C$ 1,018

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 21/1

4:05 p.m.-12:45 p.m.

2 stops18h 10m

St John's

Sat 24/1

5:00 a.m.-3:29 p.m.

1 stop12h 59m

C$ 1,036

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Mon 25/5

7:30 a.m.-11:28 p.m.

2 stops13h 28m

St John's

Tue 2/6

11:05 a.m.-8:04 p.m.

2 stops11h 29m

C$ 1,042

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sat 4/4

4:05 p.m.-9:33 a.m.

2 stops14h 58m

St John's

Wed 8/4

5:00 a.m.-3:24 p.m.

1 stop12h 54m

C$ 1,061

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Mon 25/5

7:30 a.m.-7:43 p.m.

2 stops9h 43m

St John's

Tue 2/6

1:35 p.m.-8:04 p.m.

1 stop8h 59m

C$ 1,085

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 21/1

4:05 p.m.-1:58 a.m.

1 stop7h 23m

St John's

Sat 24/1

5:00 a.m.-3:29 p.m.

1 stop12h 59m

C$ 1,095

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Thu 15/1

4:05 p.m.-1:58 a.m.

1 stop7h 23m

St John's

Thu 5/2

6:35 a.m.-3:29 p.m.

1 stop11h 24m

C$ 1,103

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to St. John's

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to St. John's according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to St. John's (STL to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to St. John's

Fastest flight time

14h 58m

Direct flights

None
The fastest flight from St. Louis to St. John's takes 14h 58m
There are no direct flights from St. Louis to St. John's. There are no popular flight routes from St. Louis to St. John's.
  • How far is Lambert-St Louis to St John's by plane?

    Lambert-St Louis and St John's are 3164.5 km apart from one another. A reasonable flight in good conditions will take 14h 58m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to St John's Airport?

    Prices for flights from Lambert-St Louis Airport to St John's Airport are updated daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to St John's Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to St John's Airport.

  • What documentation or ID do you need to fly to St John's Airport?

    The necessary travel and health documents for your St John's Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from St. Louis to St. John's?

    Price Alerts will notify you by email when the price for flights to St. John's from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from St. Louis to St. John's with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to St. John's?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to St. John's. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to St. John's with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. John's from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to St. John's?

momondo provides multiple filters to help you find the best flight to St. John's from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to St. John's right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. John's, momondo offers a useful price alert feature which will track prices for flights to St. John's from St. Louis and alert you when they change.

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1 adult
Mon 26/1
Mon 2/2

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