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Cheap flights from St. Louis to St. John's from C$ 1,043

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 30/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to St. John's

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:40 p.m. - 11:21 p.m.
STL
-
YYT
6h 11m
1 stop
Air Canada Logo
1:15 p.m. - 6:41 p.m.
YYT
-
STL
7h 56m
1 stop
C$ 1,043Air Canada
Wed, 30 Sep - Sun, 4 Oct
Air Canada Logo
2:40 p.m. - 1:46 a.m.
STL
-
YYT
8h 36m
1 stop
Air Canada Logo
8:30 a.m. - 2:02 p.m.
YYT
-
STL
8h 02m
1 stop
C$ 1,050Air Canada
Sun, 23 Aug - Sun, 30 Aug
Air Canada Logo
8:55 a.m. - 11:28 p.m.
STL
-
YYT
12h 03m
2 stops
Air Canada Logo
5:35 a.m. - 2:00 p.m.
YYT
-
STL
10h 55m
2 stops
C$ 1,054Air Canada
Wed, 30 Sep - Sun, 4 Oct
Delta Logo
6:30 a.m. - 10:55 p.m.
STL
-
YYT
13h 55m
2 stops
Delta Logo
3:00 p.m. - 11:21 p.m.
YYT
-
STL
10h 51m
2 stops
C$ 1,104Delta
Fri, 28 Aug - Wed, 2 Sep
Delta Logo
6:30 a.m. - 10:55 p.m.
STL
-
YYT
13h 55m
2 stops
Delta Logo
3:00 p.m. - 11:58 p.m.
YYT
-
STL
11h 28m
2 stops
C$ 1,151Delta
Sun, 23 Aug - Sun, 30 Aug
American Airlines Logo
6:00 a.m. - 11:59 p.m.
STL
-
YYT
15h 29m
2 stops
American Airlines Logo
10:00 a.m. - 8:44 p.m.
YYT
-
STL
13h 14m
2 stops
C$ 1,163American Airlines
Sun, 9 Aug - Thu, 13 Aug
Delta Logo
6:00 a.m. - 10:55 p.m.
STL
-
YYT
14h 25m
2 stops
Delta Logo
3:00 p.m. - 11:42 p.m.
YYT
-
STL
11h 12m
2 stops
C$ 1,179Delta
Tue, 1 Sep - Thu, 17 Sep
United Airlines Logo
12:59 p.m. - 12:50 a.m.
STL
-
YYT
9h 21m
2 stops
United Airlines Logo
8:30 a.m. - 2:02 p.m.
YYT
-
STL
8h 02m
1 stop
C$ 1,204United Airlines
Fri, 28 Aug - Wed, 2 Sep
United Airlines Logo
2:40 p.m. - 1:46 a.m.
STL
-
YYT
8h 36m
1 stop
United Airlines Logo
1:35 p.m. - 8:22 p.m.
YYT
-
STL
9h 17m
1 stop
C$ 1,206United Airlines
Fri, 28 Aug - Wed, 2 Sep
American Airlines Logo
6:00 a.m. - 6:05 p.m.
STL
-
YYT
9h 35m
2 stops
American Airlines Logo
10:00 a.m. - 12:14 a.m.
YYT
-
STL
16h 44m
3 stops
C$ 1,231American Airlines
Fri, 28 Aug - Wed, 2 Sep

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Delta flights from St. Louis to St. John's

Our best Delta deals on St. Louis to St. John's flight tickets
Delta
28 Aug
STL6:30 a.m.Lambert-St Louis
13h 55m
2 stops
YYT10:55 p.m.St John's
2 Sep
YYT3:00 p.m.St John's
10h 51m
2 stops
STL11:21 p.m.Lambert-St Louis
C$ 1,104
Delta
23 Aug
STL6:30 a.m.Lambert-St Louis
13h 55m
2 stops
YYT10:55 p.m.St John's
30 Aug
YYT3:00 p.m.St John's
11h 28m
2 stops
STL11:58 p.m.Lambert-St Louis
C$ 1,151
Delta
1 Sep
STL6:00 a.m.Lambert-St Louis
14h 25m
2 stops
YYT10:55 p.m.St John's
17 Sep
YYT3:00 p.m.St John's
11h 12m
2 stops
STL11:42 p.m.Lambert-St Louis
C$ 1,179

American Airlines flights from St. Louis to St. John's

Our best American Airlines deals on St. Louis to St. John's flight tickets
American Airlines
9 Aug
STL6:00 a.m.Lambert-St Louis
15h 29m
2 stops
YYT11:59 p.m.St John's
13 Aug
YYT10:00 a.m.St John's
13h 14m
2 stops
STL8:44 p.m.Lambert-St Louis
C$ 1,163
American Airlines
28 Aug
STL6:00 a.m.Lambert-St Louis
9h 35m
2 stops
YYT6:05 p.m.St John's
2 Sep
YYT10:00 a.m.St John's
16h 44m
3 stops
STL12:14 a.m.Lambert-St Louis
C$ 1,231
American Airlines
9 Aug
STL5:23 a.m.Lambert-St Louis
16h 06m
3 stops
YYT11:59 p.m.St John's
13 Aug
YYT10:00 a.m.St John's
16h 44m
2 stops
STL12:14 a.m.Lambert-St Louis
C$ 1,335

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 12 July 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
Quickest round-trip

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 30/9

2:40 p.m.-11:21 p.m.

1 stop6h 11m

St John's

Sun 4/10

1:15 p.m.-6:41 p.m.

1 stop7h 56m

C$ 1,043

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sun 23/8

2:40 p.m.-1:46 a.m.

1 stop8h 36m

St John's

Sun 30/8

8:30 a.m.-2:02 p.m.

1 stop8h 02m

C$ 1,050

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 30/9

8:55 a.m.-11:28 p.m.

2 stops12h 03m

St John's

Sun 4/10

5:35 a.m.-2:00 p.m.

2 stops10h 55m

C$ 1,054

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Fri 28/8

6:30 a.m.-10:55 p.m.

2 stops13h 55m

St John's

Wed 2/9

3:00 p.m.-11:21 p.m.

2 stops10h 51m

C$ 1,104

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sun 23/8

6:30 a.m.-10:55 p.m.

2 stops13h 55m

St John's

Sun 30/8

3:00 p.m.-11:58 p.m.

2 stops11h 28m

C$ 1,151

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sun 9/8

6:00 a.m.-11:59 p.m.

2 stops15h 29m

St John's

Thu 13/8

10:00 a.m.-8:44 p.m.

2 stops13h 14m

C$ 1,163

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Tue 1/9

6:00 a.m.-10:55 p.m.

2 stops14h 25m

St John's

Thu 17/9

3:00 p.m.-11:42 p.m.

2 stops11h 12m

C$ 1,179

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Fri 28/8

12:59 p.m.-12:50 a.m.

2 stops9h 21m

St John's

Wed 2/9

8:30 a.m.-2:02 p.m.

1 stop8h 02m

C$ 1,204

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Fri 28/8

2:40 p.m.-1:46 a.m.

1 stop8h 36m

St John's

Wed 2/9

1:35 p.m.-8:22 p.m.

1 stop9h 17m

C$ 1,206

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Fri 28/8

6:00 a.m.-6:05 p.m.

2 stops9h 35m

St John's

Wed 2/9

10:00 a.m.-12:14 a.m.

3 stops16h 44m

C$ 1,231

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

7h 35m

Direct flights

None
The fastest flight from St. Louis to St. John's takes 7h 35m
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.
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Frequently asked questions about flying 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 7h 35m.

  • 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.

Frequently asked questions about flying from St. Louis to St. John's

  • 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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