Cheap flights from St. Louis to Newfoundland and Labrador from C$ 1,072

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 4/10. 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

United Airlines Logo
9:20 a.m. - 12:39 a.m.STL-YYT
12h 49m2 stops
United Airlines Logo
5:50 a.m. - 3:44 p.m.YYT-STL
12h 24m2 stops
C$ 1,072United Airlines
Find Deal
Sat, 4 Oct - Sat, 11 Oct
United Airlines Logo
6:35 a.m. - 12:39 a.m.STL-YYT
15h 34m2 stops
United Airlines Logo
5:50 a.m. - 10:49 a.m.YYT-STL
31h 29m2 stops
C$ 1,112United Airlines
Find Deal
Tue, 23 Sep - Fri, 26 Sep
United Airlines Logo
8:00 a.m. - 12:39 a.m.STL-YYT
14h 09m2 stops
United Airlines Logo
5:00 a.m. - 3:44 p.m.YYT-STL
13h 14m2 stops
C$ 1,133United Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
United Airlines Logo
7:04 p.m. - 5:09 p.m.STL-YYT
19h 35m2 stops
United Airlines Logo
5:00 a.m. - 3:44 p.m.YYT-STL
13h 14m2 stops
C$ 1,144United Airlines
Find Deal
Tue, 9 Sep - Thu, 9 Oct
United Airlines Logo
4:40 p.m. - 1:16 a.m.STL-YYT
30h 06m2 stops
United Airlines Logo
2:00 p.m. - 12:28 p.m.YYT-STL
24h 58m2 stops
C$ 1,187United Airlines
Find Deal
Mon, 8 Sep - Mon, 6 Oct
United Airlines Logo
7:04 p.m. - 5:09 p.m.STL-YYT
19h 35m2 stops
United Airlines Logo
5:50 a.m. - 3:44 p.m.YYT-STL
12h 24m2 stops
C$ 1,198United Airlines
Find Deal
Wed, 10 Sep - Wed, 17 Sep
 Logo
8:40 a.m. - 6:20 a.m.STL-YYT
19h 10m3 stops
 Logo
6:00 a.m. - 5:45 p.m.YYT-STL
14h 15m2 stops
C$ 1,217
Find Deal
Sat, 4 Oct - Sat, 11 Oct
Air Canada Logo
9:15 a.m. - 10:23 p.m.STL-YYT
10h 38m2 stops
Air Canada Logo
8:45 a.m. - 3:18 p.m.YYT-STL
9h 03m1 stop
C$ 1,237Air Canada
Find Deal
Wed, 10 Sep - Wed, 17 Sep
Air Canada Logo
1:30 p.m. - 12:39 a.m.STL-YYT
8h 39m1 stop
Air Canada Logo
2:00 p.m. - 7:57 p.m.YYT-STL
8h 27m1 stop
C$ 1,268Air Canada
Find Deal
Mon, 8 Sep - Thu, 9 Oct
Air Canada Logo
4:05 p.m. - 1:16 a.m.STL-YYT
6h 41m1 stop
Air Canada Logo
1:50 p.m. - 7:38 p.m.YYT-STL
8h 18m1 stop
C$ 1,284Air Canada
Find Deal
Thu, 2 Oct - Thu, 9 Oct

United Airlines flights from St. Louis to Newfoundland and Labrador

Our best United Airlines deals on St. Louis to Newfoundland and Labrador flight tickets
United Airlines
4 Oct
STL9:20 a.m.Lambert-St Louis
12h 49m
2 stops
YYT12:39 a.m.St John's
11 Oct
YYT5:50 a.m.St John's
12h 24m
2 stops
STL3:44 p.m.Lambert-St Louis
C$ 1,072
Find similar
United Airlines
23 Sep
STL6:35 a.m.Lambert-St Louis
15h 34m
2 stops
YYT12:39 a.m.St John's
26 Sep
YYT5:50 a.m.St John's
31h 29m
2 stops
STL10:49 a.m.Lambert-St Louis
C$ 1,112
Find similar
United Airlines
2 Oct
STL8:00 a.m.Lambert-St Louis
14h 09m
2 stops
YYT12:39 a.m.St John's
9 Oct
YYT5:00 a.m.St John's
13h 14m
2 stops
STL3:44 p.m.Lambert-St Louis
C$ 1,133
Find similar

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
10 Sep
STL9:15 a.m.Lambert-St Louis
10h 38m
2 stops
YYT10:23 p.m.St John's
17 Sep
YYT8:45 a.m.St John's
9h 03m
1 stop
STL3:18 p.m.Lambert-St Louis
C$ 1,237
Find similar
Air Canada
8 Sep
STL1:30 p.m.Lambert-St Louis
8h 39m
1 stop
YYT12:39 a.m.St John's
9 Oct
YYT2:00 p.m.St John's
8h 27m
1 stop
STL7:57 p.m.Lambert-St Louis
C$ 1,268
Find similar
Air Canada
2 Oct
STL4:05 p.m.Lambert-St Louis
6h 41m
1 stop
YYT1:16 a.m.St John's
9 Oct
YYT1:50 p.m.St John's
8h 18m
1 stop
STL7:38 p.m.Lambert-St Louis
C$ 1,284
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 96,600 searches. Data last updated 20 August 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

Sat 4/10

9:20 a.m.-12:39 a.m.

2 stops12h 49m

St John's

Sat 11/10

5:50 a.m.-3:44 p.m.

2 stops12h 24m

C$ 1,072

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Tue 23/9

6:35 a.m.-12:39 a.m.

2 stops15h 34m

St John's

Fri 26/9

5:50 a.m.-10:49 a.m.

2 stops31h 29m

C$ 1,112

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Thu 2/10

8:00 a.m.-12:39 a.m.

2 stops14h 09m

St John's

Thu 9/10

5:00 a.m.-3:44 p.m.

2 stops13h 14m

C$ 1,133

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Tue 9/9

7:04 p.m.-5:09 p.m.

2 stops19h 35m

St John's

Thu 9/10

5:00 a.m.-3:44 p.m.

2 stops13h 14m

C$ 1,144

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Mon 8/9

4:40 p.m.-1:16 a.m.

2 stops30h 06m

St John's

Mon 6/10

2:00 p.m.-12:28 p.m.

2 stops24h 58m

C$ 1,187

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 10/9

7:04 p.m.-5:09 p.m.

2 stops19h 35m

St John's

Wed 17/9

5:50 a.m.-3:44 p.m.

2 stops12h 24m

C$ 1,198

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Sat 4/10

8:40 a.m.-6:20 a.m.

3 stops19h 10m

St John's

Sat 11/10

6:00 a.m.-5:45 p.m.

2 stops14h 15m

C$ 1,217

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Wed 10/9

9:15 a.m.-10:23 p.m.

2 stops10h 38m

St John's

Wed 17/9

8:45 a.m.-3:18 p.m.

1 stop9h 03m

C$ 1,237

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Mon 8/9

1:30 p.m.-12:39 a.m.

1 stop8h 39m

St John's

Thu 9/10

2:00 p.m.-7:57 p.m.

1 stop8h 27m

C$ 1,268

St. LouisSt. John's

STL - YYT

STLYYT

Lambert-St Louis

Thu 2/10

4:05 p.m.-1:16 a.m.

1 stop6h 41m

St John's

Thu 9/10

1:50 p.m.-7:38 p.m.

1 stop8h 18m

C$ 1,284

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.
  • 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 are refreshed on a daily basis.

  • 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.

  • How do I get Price Alerts for flights from St. Louis to Newfoundland and Labrador?

    Price Alerts will notify you by email when the price for flights to Newfoundland and Labrador 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 Newfoundland and Labrador with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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 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?

Flights from St. Louis to Newfoundland and Labrador with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for St. Louis to Newfoundland and Labrador flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Newfoundland and Labrador right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Newfoundland and Labrador flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Mon 25/8
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