Cheap flights from St. Louis to St. John's from C$ 883

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 21/12. 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

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Multiple Airlines Logo
4:27 p.m. - 2:28 p.m.STL-YYT
19h 31m1 stop
Multiple Airlines Logo
6:00 a.m. - 9:45 a.m.YYT-STL
30h 15m2 stops
C$ 883Multiple Airlines
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Air Canada Logo
4:05 p.m. - 11:30 p.m.STL-YYT
28h 55m2 stops
Air Canada Logo
8:55 p.m. - 3:29 p.m.YYT-STL
21h 04m2 stops
C$ 1,076Air Canada
Find Deal
Wed, 18 Feb - Sun, 22 Feb
Air Canada Logo
4:05 p.m. - 9:35 a.m.STL-YYT
15h 00m2 stops
Air Canada Logo
5:00 a.m. - 3:29 p.m.YYT-STL
12h 59m1 stop
C$ 1,199Air Canada
Find Deal
Wed, 18 Feb - Sun, 22 Feb
Air Canada Logo
4:05 p.m. - 1:33 a.m.STL-YYT
6h 58m1 stop
Air Canada Logo
6:35 a.m. - 3:29 p.m.YYT-STL
11h 24m1 stop
C$ 1,306Air Canada
Find Deal
Wed, 18 Feb - Sun, 22 Feb
Multiple Airlines Logo
4:27 p.m. - 1:03 a.m.STL-YYT
30h 06m2 stops
Multiple Airlines Logo
6:00 a.m. - 10:33 p.m.YYT-STL
19h 03m2 stops
C$ 1,343Multiple Airlines
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Multiple Airlines Logo
4:27 p.m. - 1:03 a.m.STL-YYT
30h 06m3 stops
Multiple Airlines Logo
6:20 a.m. - 10:33 p.m.YYT-STL
18h 43m2 stops
C$ 1,570Multiple Airlines
Find Deal
Sun, 21 Dec - Sun, 28 Dec
Air Canada Logo
4:05 p.m. - 1:53 a.m.STL-YYT
7h 18m1 stop
Air Canada Logo
5:00 a.m. - 3:29 p.m.YYT-STL
12h 59m1 stop
C$ 1,580Air Canada
Find Deal
Sun, 21 Dec - Sun, 28 Dec

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
18 Feb
STL4:05 p.m.Lambert-St Louis
28h 55m
2 stops
YYT11:30 p.m.St John's
22 Feb
YYT8:55 p.m.St John's
21h 04m
2 stops
STL3:29 p.m.Lambert-St Louis
C$ 1,076
Find similar
Air Canada
18 Feb
STL4:05 p.m.Lambert-St Louis
15h 00m
2 stops
YYT9:35 a.m.St John's
22 Feb
YYT5:00 a.m.St John's
12h 59m
1 stop
STL3:29 p.m.Lambert-St Louis
C$ 1,199
Find similar
Air Canada
18 Feb
STL4:05 p.m.Lambert-St Louis
6h 58m
1 stop
YYT1:33 a.m.St John's
22 Feb
YYT6:35 a.m.St John's
11h 24m
1 stop
STL3:29 p.m.Lambert-St Louis
C$ 1,306
Find similar

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 6 November 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

Sun 21/12

4:27 p.m.-2:28 p.m.

1 stop19h 31m

St John's

Sun 28/12

6:00 a.m.-9:45 a.m.

2 stops30h 15m

C$ 883

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 18/2

4:05 p.m.-11:30 p.m.

2 stops28h 55m

St John's

Sun 22/2

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

2 stops21h 04m

C$ 1,076

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 18/2

4:05 p.m.-9:35 a.m.

2 stops15h 00m

St John's

Sun 22/2

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

1 stop12h 59m

C$ 1,199

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 18/2

4:05 p.m.-1:33 a.m.

1 stop6h 58m

St John's

Sun 22/2

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

1 stop11h 24m

C$ 1,306

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sun 21/12

4:27 p.m.-1:03 a.m.

2 stops30h 06m

St John's

Sun 28/12

6:00 a.m.-10:33 p.m.

2 stops19h 03m

C$ 1,343

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sun 21/12

4:27 p.m.-1:03 a.m.

3 stops30h 06m

St John's

Sun 28/12

6:20 a.m.-10:33 p.m.

2 stops18h 43m

C$ 1,570

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sun 21/12

4:05 p.m.-1:53 a.m.

1 stop7h 18m

St John's

Sun 28/12

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

1 stop12h 59m

C$ 1,580

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

Direct flights

None
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 6h 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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Sat 6/12
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