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Cheap flights from St. Louis to St. John's from $433

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 3/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 3:20 pm
STL
-
ANU
21h 15m1 stop
Air Canada Logo
4:15 pm - 3:29 pm
ANU
-
STL
25h 14m1 stop
$433Air Canada
Mon, Mar 2 - Thu, Mar 5
Air Canada Logo
4:05 pm - 3:20 pm
STL
-
ANU
21h 15m1 stop
Air Canada Logo
4:15 pm - 3:29 pm
ANU
-
STL
25h 14m1 stop
$453Air Canada
Mon, Mar 2 - Thu, Mar 5
Air Canada Logo
4:05 pm - 3:20 pm
STL
-
ANU
21h 15m1 stop
Air Canada Logo
4:15 pm - 3:29 pm
ANU
-
STL
25h 14m1 stop
$475Air Canada
Mon, Mar 2 - Thu, Mar 5
Air Canada Logo
4:05 pm - 3:20 pm
STL
-
ANU
21h 15m1 stop
Air Canada Logo
4:15 pm - 10:59 pm
ANU
-
STL
32h 44m2 stops
$615Air Canada
Mon, Mar 2 - Thu, Mar 5
Air Canada Logo
4:05 pm - 3:20 pm
STL
-
ANU
21h 15m1 stop
Air Canada Logo
4:15 pm - 9:42 pm
ANU
-
STL
31h 27m2 stops
$684Air Canada
Mon, Mar 2 - Thu, Mar 5
American Airlines Logo
6:53 pm - 3:59 pm
STL
-
ANU
20h 06m2 stops
American Airlines Logo
3:25 pm - 11:24 am
ANU
-
STL
20h 59m2 stops
$701American Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
6:53 pm - 3:59 pm
STL
-
ANU
20h 06m2 stops
American Airlines Logo
3:25 pm - 8:23 am
ANU
-
STL
17h 58m2 stops
$702American Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
5:24 am - 3:59 pm
STL
-
ANU
9h 35m1 stop
American Airlines Logo
3:25 pm - 8:28 am
ANU
-
STL
18h 03m1 stop
$721American Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
5:24 am - 3:59 pm
STL
-
ANU
9h 35m1 stop
American Airlines Logo
3:25 pm - 8:28 am
ANU
-
STL
18h 03m1 stop
$722American Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
7:20 pm - 1:27 pm
STL
-
ANU
17h 07m2 stops
American Airlines Logo
2:27 pm - 10:01 am
ANU
-
STL
20h 34m2 stops
$726American Airlines
Sat, May 23 - Thu, Jun 4

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
Mar 2
STL4:05 pmLambert-St Louis
21h 15m
1 stop
ANU3:20 pmSt. John's V.C. Bird Intl
Mar 5
ANU4:15 pmSt. John's V.C. Bird Intl
25h 14m
1 stop
STL3:29 pmLambert-St Louis
$433
Find similar
Air Canada
Mar 2
STL4:05 pmLambert-St Louis
21h 15m
1 stop
ANU3:20 pmSt. John's V.C. Bird Intl
Mar 5
ANU4:15 pmSt. John's V.C. Bird Intl
25h 14m
1 stop
STL3:29 pmLambert-St Louis
$453
Find similar
Air Canada
Mar 2
STL4:05 pmLambert-St Louis
21h 15m
1 stop
ANU3:20 pmSt. John's V.C. Bird Intl
Mar 5
ANU4:15 pmSt. John's V.C. Bird Intl
25h 14m
1 stop
STL3:29 pmLambert-St Louis
$475
Find similar

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
May 2
STL6:53 pmLambert-St Louis
20h 06m
2 stops
ANU3:59 pmSt. John's V.C. Bird Intl
May 9
ANU3:25 pmSt. John's V.C. Bird Intl
20h 59m
2 stops
STL11:24 amLambert-St Louis
$701
Find similar
American Airlines
May 2
STL6:53 pmLambert-St Louis
20h 06m
2 stops
ANU3:59 pmSt. John's V.C. Bird Intl
May 9
ANU3:25 pmSt. John's V.C. Bird Intl
18h 03m
1 stop
STL8:28 amLambert-St Louis
$702
Find similar
American Airlines
May 2
STL5:24 amLambert-St Louis
9h 35m
1 stop
ANU3:59 pmSt. John's V.C. Bird Intl
May 9
ANU3:25 pmSt. John's V.C. Bird Intl
18h 03m
1 stop
STL8:28 amLambert-St Louis
$721
Find similar

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 January 2, 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

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 3/2

4:05 pm-3:20 pm

1 stop21h 15m

St. John's V.C. Bird Intl

Thu 3/5

4:15 pm-3:29 pm

1 stop25h 14m

$433

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 3/2

4:05 pm-3:20 pm

1 stop21h 15m

St. John's V.C. Bird Intl

Thu 3/5

4:15 pm-3:29 pm

1 stop25h 14m

$453

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 3/2

4:05 pm-3:20 pm

1 stop21h 15m

St. John's V.C. Bird Intl

Thu 3/5

4:15 pm-3:29 pm

1 stop25h 14m

$475

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 3/2

4:05 pm-3:20 pm

1 stop21h 15m

St. John's V.C. Bird Intl

Thu 3/5

4:15 pm-10:59 pm

2 stops32h 44m

$615

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Mon 3/2

4:05 pm-3:20 pm

1 stop21h 15m

St. John's V.C. Bird Intl

Thu 3/5

4:15 pm-9:42 pm

2 stops31h 27m

$684

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 5/2

6:53 pm-3:59 pm

2 stops20h 06m

St. John's V.C. Bird Intl

Sat 5/9

3:25 pm-11:24 am

2 stops20h 59m

$701

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 5/2

6:53 pm-3:59 pm

2 stops20h 06m

St. John's V.C. Bird Intl

Sat 5/9

3:25 pm-8:23 am

2 stops17h 58m

$702

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 5/2

5:24 am-3:59 pm

1 stop9h 35m

St. John's V.C. Bird Intl

Sat 5/9

3:25 pm-8:28 am

1 stop18h 03m

$721

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 5/2

5:24 am-3:59 pm

1 stop9h 35m

St. John's V.C. Bird Intl

Sat 5/9

3:25 pm-8:28 am

1 stop18h 03m

$722

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 5/23

7:20 pm-1:27 pm

2 stops17h 07m

St. John's V.C. Bird Intl

Thu 6/4

2:27 pm-10:01 am

2 stops20h 34m

$726

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. John's from

How to get the cheapest flight ticket from St. Louis to St. John's, Saint John

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and St. John's, Saint John?

What is the cheapest month to fly to St. John's, Saint John?

The cheapest month to fly to St. John's, Saint John from St. Louis is in September. Flight prices, which tend to average around $695, are often lower during this time because this is during the off-season. The month of March is another great option to travel to St. John's, Saint John, with average flight prices from St. Louis averaging around $734.

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

6h 44m

Direct flights

None
The fastest flight from St. Louis to St. John's, Saint John takes 6h 44m
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

  • 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 6h 44m.

  • 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 $660Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights

Traveling to a place near St. John's?

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