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Cheap flights from St. Louis to St. John's from $604

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 6/13. 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
0 bags

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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
8:40 am - 2:10 pm
STL
-
ANU
28h 30m
1 stop
Air Canada Logo
3:20 pm - 12:21 pm
ANU
-
STL
22h 01m
1 stop
$604Air Canada
Sat, Jun 13 - Sun, Jun 21
Air Canada Logo
8:40 am - 2:10 pm
STL
-
ANU
28h 30m
1 stop
Air Canada Logo
3:20 pm - 8:25 pm
ANU
-
STL
30h 05m
2 stops
$607Air Canada
Sat, Jun 13 - Sun, Jun 21
Air Canada Logo
1:05 pm - 2:10 pm
STL
-
ANU
24h 05m
2 stops
Air Canada Logo
3:20 pm - 8:25 pm
ANU
-
STL
30h 05m
2 stops
$611Air Canada
Sat, Jun 13 - Sun, Jun 21
Multiple Airlines Logo
2:15 pm - 11:40 am
STL
-
ANU
44h 25m
2 stops
Multiple Airlines Logo
3:20 pm - 12:21 pm
ANU
-
STL
22h 01m
1 stop
$761Multiple Airlines
Fri, Jun 12 - Sun, Jun 21
American Airlines Logo
5:00 am - 1:35 pm
STL
-
ANU
7h 35m
1 stop
American Airlines Logo
2:20 pm - 11:54 pm
ANU
-
STL
10h 34m
1 stop
$827American Airlines
Tue, Aug 18 - Sat, Aug 22
American Airlines Logo
3:25 pm - 1:35 pm
STL
-
ANU
21h 10m
2 stops
American Airlines Logo
2:20 pm - 10:42 am
ANU
-
STL
21h 22m
2 stops
$832American Airlines
Tue, Aug 18 - Sat, Aug 22
Multiple Airlines Logo
8:40 am - 7:40 pm
STL
-
ANU
34h 00m
2 stops
Multiple Airlines Logo
8:45 am - 12:21 pm
ANU
-
STL
28h 36m
2 stops
$876Multiple Airlines
Sun, Jun 14 - Sat, Jun 20
American Airlines Logo
8:14 pm - 4:14 pm
STL
-
ANU
19h 00m
2 stops
American Airlines Logo
1:22 pm - 8:53 am
ANU
-
STL
20h 31m
2 stops
$897American Airlines
Mon, Jun 15 - Sun, Jun 21
American Airlines Logo
6:13 pm - 1:32 pm
STL
-
ANU
18h 19m
2 stops
American Airlines Logo
2:33 pm - 10:35 am
ANU
-
STL
21h 02m
1 stop
$914American Airlines
Mon, Jun 15 - Sun, Jun 21
American Airlines Logo
11:04 am - 1:32 pm
STL
-
ANU
25h 28m
1 stop
American Airlines Logo
1:22 pm - 10:35 am
ANU
-
STL
22h 13m
1 stop
$927American Airlines
Mon, Jun 15 - Sun, Jun 21

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

Our best American Airlines deals on St. Louis to St. John's, Saint John flight tickets
American Airlines
Sep 5
STL12:45 pmLambert-St Louis
23h 50m
2 stops
ANU1:35 pmSt. John's V.C. Bird Intl
Sep 9
ANU4:20 pmSt. John's V.C. Bird Intl
18h 07m
2 stops
STL9:27 amLambert-St Louis
$767
American Airlines
Sep 5
STL11:35 amLambert-St Louis
25h 00m
1 stop
ANU1:35 pmSt. John's V.C. Bird Intl
Sep 9
ANU4:20 pmSt. John's V.C. Bird Intl
7h 52m
1 stop
STL11:12 pmLambert-St Louis
$777
American Airlines
Sep 14
STL6:31 pmLambert-St Louis
19h 49m
2 stops
ANU3:20 pmSt. John's V.C. Bird Intl
Sep 20
ANU4:20 pmSt. John's V.C. Bird Intl
24h 07m
2 stops
STL3:27 pmLambert-St Louis
$807

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

Our best Air Canada deals on St. Louis to St. John's, Saint John flight tickets
Air Canada
Jun 13
STL8:40 amLambert-St Louis
28h 30m
1 stop
ANU2:10 pmSt. John's V.C. Bird Intl
Jun 21
ANU3:20 pmSt. John's V.C. Bird Intl
22h 01m
1 stop
STL12:21 pmLambert-St Louis
$604
Air Canada
Jun 13
STL8:40 amLambert-St Louis
28h 30m
1 stop
ANU2:10 pmSt. John's V.C. Bird Intl
Jun 21
ANU3:20 pmSt. John's V.C. Bird Intl
30h 05m
2 stops
STL8:25 pmLambert-St Louis
$607
Air Canada
Jun 13
STL1:05 pmLambert-St Louis
24h 05m
2 stops
ANU2:10 pmSt. John's V.C. Bird Intl
Jun 21
ANU3:20 pmSt. John's V.C. Bird Intl
30h 05m
2 stops
STL8:25 pmLambert-St Louis
$611

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to St. John's, Saint John 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 832,500 searches. Data last updated May 22, 2026.
Use the filters below to find and compare flights from St. Louis to St. John's, Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 6/13

8:40 am-2:10 pm

1 stop28h 30m

St. John's V.C. Bird Intl

Sun 6/21

3:20 pm-12:21 pm

1 stop22h 01m

$604

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 6/13

8:40 am-2:10 pm

1 stop28h 30m

St. John's V.C. Bird Intl

Sun 6/21

3:20 pm-8:25 pm

2 stops30h 05m

$607

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 6/13

1:05 pm-2:10 pm

2 stops24h 05m

St. John's V.C. Bird Intl

Sun 6/21

3:20 pm-8:25 pm

2 stops30h 05m

$611

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Fri 6/12

2:15 pm-11:40 am

2 stops44h 25m

St. John's V.C. Bird Intl

Sun 6/21

3:20 pm-12:21 pm

1 stop22h 01m

$761
Quickest round-trip

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Tue 8/18

5:00 am-1:35 pm

1 stop7h 35m

St. John's V.C. Bird Intl

Sat 8/22

2:20 pm-11:54 pm

1 stop10h 34m

$827

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Tue 8/18

3:25 pm-1:35 pm

2 stops21h 10m

St. John's V.C. Bird Intl

Sat 8/22

2:20 pm-10:42 am

2 stops21h 22m

$832

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sun 6/14

8:40 am-7:40 pm

2 stops34h 00m

St. John's V.C. Bird Intl

Sat 6/20

8:45 am-12:21 pm

2 stops28h 36m

$876

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 6/15

8:14 pm-4:14 pm

2 stops19h 00m

St. John's V.C. Bird Intl

Sun 6/21

1:22 pm-8:53 am

2 stops20h 31m

$897

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 6/15

6:13 pm-1:32 pm

2 stops18h 19m

St. John's V.C. Bird Intl

Sun 6/21

2:33 pm-10:35 am

1 stop21h 02m

$914

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 6/15

11:04 am-1:32 pm

1 stop25h 28m

St. John's V.C. Bird Intl

Sun 6/21

1:22 pm-10:35 am

1 stop22h 13m

$927

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to St. John's, Saint John 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, Saint John (STL to ANU) flight deals and tips

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

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from St. Louis to St. John's, Saint John takes 7h 35m
There are no direct flights from St. Louis to St. John's, Saint John. There are no popular flight routes from St. Louis to St. John's, Saint John.
Search flight deals

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

  • How far is Lambert-St Louis to St. John's V.C. Bird Intl by plane?

    The distance between Lambert-St Louis and St. John's V.C. Bird Intl is about 2263.0 mi. In terms of flight time, this usually takes a little over 7h 35m.

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

    Prices for flights from Lambert-St Louis Airport to St. John's V.C. Bird Intl Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to St. John's V.C. Bird Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to St. John's V.C. Bird Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to St. John's V.C. Bird Intl Airport.

  • What documentation or ID do you need to fly to St. John's V.C. Bird Intl Airport?

    The required travel and health documents for your St. John's V.C. Bird Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at St. John's V.C. Bird Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to St. John's, Saint John?

Best airlines flying from St. Louis to St. John's, Saint John

Compare and see reviews for airlines that fly from St. Louis to St. John's, Saint John with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $695Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights

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

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

    Price Alerts will notify you by email when the price for flights to St. John's, Saint John 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, Saint John with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • 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.

Traveling to a place near St. John's?

Book flights to St. John's if you plan to visit one of these locations
Jolly Harbour
English Harbour
Falmouth

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?

Yes. momondo allows you to filter the results for St. Louis to St. John's flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. John's from St. Louis.

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 not ready to book a flight from St. Louis to St. John's now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. John's and let you know when they change.

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