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Cheap flights from St. Louis to Newfoundland and Labrador from $742

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 Newfoundland and Labrador departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Newfoundland and Labrador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 9:35 amSTL-YYT
15h 00m2 stops
Air Canada Logo
8:55 pm - 3:29 pmYYT-STL
21h 04m2 stops
$742Air Canada
Find Deal
Wed, Feb 18 - Sun, Feb 22
Air Canada Logo
4:05 pm - 9:35 amSTL-YYT
15h 00m2 stops
Air Canada Logo
6:35 am - 3:29 pmYYT-STL
11h 24m1 stop
$848Air Canada
Find Deal
Wed, Feb 18 - Sun, Feb 22
Air Canada Logo
4:05 pm - 1:33 amSTL-YYT
6h 58m1 stop
Air Canada Logo
6:35 am - 3:29 pmYYT-STL
11h 24m1 stop
$920Air Canada
Find Deal
Wed, Feb 18 - Sun, Feb 22

Air Canada flights from St. Louis to Newfoundland and Labrador

Our best Air Canada deals on St. Louis to Newfoundland and Labrador flight tickets
Air Canada
Feb 18
STL4:05 pmLambert-St Louis
15h 00m
2 stops
YYT9:35 amSt John's
Feb 22
YYT8:55 pmSt John's
21h 04m
2 stops
STL3:29 pmLambert-St Louis
$742
Find similar
Air Canada
Feb 18
STL4:05 pmLambert-St Louis
15h 00m
2 stops
YYT9:35 amSt John's
Feb 22
YYT6:35 amSt John's
11h 24m
1 stop
STL3:29 pmLambert-St Louis
$848
Find similar
Air Canada
Feb 18
STL4:05 pmLambert-St Louis
6h 58m
1 stop
YYT1:33 amSt John's
Feb 22
YYT6:35 amSt John's
11h 24m
1 stop
STL3:29 pmLambert-St Louis
$920
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Newfoundland and Labrador 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 October 20, 2025.
Use the filters below to find and compare flights from St. Louis to Newfoundland and Labrador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 2/18

4:05 pm-9:35 am

2 stops15h 00m

St John's

Sun 2/22

8:55 pm-3:29 pm

2 stops21h 04m

$742

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 2/18

4:05 pm-9:35 am

2 stops15h 00m

St John's

Sun 2/22

6:35 am-3:29 pm

1 stop11h 24m

$848

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 2/18

4:05 pm-1:33 am

1 stop6h 58m

St John's

Sun 2/22

6:35 am-3:29 pm

1 stop11h 24m

$920

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Newfoundland and Labrador from

How to get the cheapest flight ticket from St. Louis to Newfoundland and Labrador

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 cheapest day to depart on your flight to Newfoundland and Labrador?

Our data shows that Thursday is the least expensive day to fly to Newfoundland and Labrador. Tickets to fly out on this day can be as low as $668. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Newfoundland and Labrador on Tuesday is $926.

What is the cheapest time of day to depart on your flight to Newfoundland and Labrador?

Flying to Newfoundland and Labrador from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $776 when looking at flights departing in the afternoon. Flights to Newfoundland and Labrador are more costly in the morning, with an average ticket price of $795. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap St. Louis to Newfoundland and Labrador flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Newfoundland and Labrador

Direct flights

None
There are no direct flights from St. Louis to Newfoundland and Labrador. There are no popular flight routes from St. Louis to Newfoundland and Labrador.
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  • When did momondo last update prices for flights from Lambert-St Louis Airport to Newfoundland and Labrador?

    Prices for flights from Lambert-St Louis Airport to Newfoundland and Labrador were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Newfoundland and Labrador?

  • How old do you have to be to fly from Lambert-St Louis Airport to Newfoundland and Labrador?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Newfoundland and Labrador.

  • What documentation or ID do you need to fly to Newfoundland and Labrador?

    The required travel and health documents for your Newfoundland and Labrador 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 Newfoundland and Labrador. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Newfoundland and Labrador

Compare and see reviews for airlines that fly from St. Louis to Newfoundland and Labrador with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $811Free CancellationRating
7.1
10,334 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Newfoundland and Labrador?

It is quick and easy to find St. Louis to Newfoundland and Labrador flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Newfoundland and Labrador that suits you.

Can I find flights from St. Louis to Newfoundland and Labrador with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Newfoundland and Labrador flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Newfoundland and Labrador?

momondo provides multiple filters to help you find the best flight to Newfoundland and Labrador 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 Newfoundland and Labrador right now. Can momondo alert me if prices change?

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

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