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Cheap flights from St. Louis to Halifax from $320

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 Halifax departing on 1/21. 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 Halifax

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 12:26 amSTL-YHZ
6h 21m1 stop
Air Canada Logo
9:00 am - 3:29 pmYHZ-STL
8h 29m1 stop
$320Air Canada
Find Deal
Wed, Jan 21 - Fri, Jan 23
Air Canada Logo
1:30 pm - 10:19 pmSTL-YHZ
6h 49m1 stop
Air Canada Logo
8:55 am - 3:16 pmYHZ-STL
8h 21m1 stop
$324Air Canada
Find Deal
Sat, May 23 - Sun, May 24
Air Canada Logo
4:05 pm - 12:26 amSTL-YHZ
6h 21m1 stop
Air Canada Logo
5:35 am - 3:29 pmYHZ-STL
11h 54m2 stops
$325Air Canada
Find Deal
Wed, Jan 21 - Fri, Jan 23
Air Canada Logo
4:05 pm - 12:26 amSTL-YHZ
6h 21m1 stop
Air Canada Logo
9:00 am - 3:29 pmYHZ-STL
8h 29m1 stop
$331Air Canada
Find Deal
Wed, Jan 21 - Fri, Jan 23
Air Canada Logo
4:05 pm - 12:26 amSTL-YHZ
6h 21m1 stop
Air Canada Logo
6:55 am - 3:29 pmYHZ-STL
10h 34m2 stops
$336Air Canada
Find Deal
Wed, Jan 21 - Fri, Jan 23
Air Canada Logo
4:05 pm - 11:04 amSTL-YHZ
16h 59m2 stops
Air Canada Logo
6:55 am - 3:29 pmYHZ-STL
10h 34m2 stops
$358Air Canada
Find Deal
Wed, Jan 21 - Fri, Jan 23
Air Canada Logo
4:05 pm - 11:04 amSTL-YHZ
16h 59m2 stops
Air Canada Logo
6:55 am - 3:29 pmYHZ-STL
10h 34m2 stops
$369Air Canada
Find Deal
Wed, Jan 21 - Fri, Jan 23
WestJet Logo
10:45 am - 8:45 pmSTL-YHZ
8h 00m2 stops
WestJet Logo
3:30 pm - 8:31 pmYHZ-STL
7h 01m1 stop
$380WestJet
Find Deal
Sat, May 23 - Sun, May 24
WestJet Logo
10:45 am - 8:45 pmSTL-YHZ
8h 00m2 stops
WestJet Logo
1:30 pm - 11:38 pmYHZ-STL
12h 08m2 stops
$392WestJet
Find Deal
Sat, May 23 - Sun, May 24
WestJet Logo
5:59 pm - 1:41 amSTL-YHZ
29h 42m2 stops
WestJet Logo
6:00 am - 8:41 pmYHZ-STL
40h 41m2 stops
$532WestJet
Find Deal
Tue, Dec 23 - Thu, Jan 1

WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
May 23
STL10:45 amLambert-St Louis
8h 00m
2 stops
YHZ8:45 pmHalifax Intl
May 24
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$380
Find similar
WestJet
May 23
STL10:45 amLambert-St Louis
8h 00m
2 stops
YHZ8:45 pmHalifax Intl
May 24
YHZ1:30 pmHalifax Intl
12h 08m
2 stops
STL11:38 pmLambert-St Louis
$392
Find similar
WestJet
Dec 23
STL5:59 pmLambert-St Louis
29h 42m
2 stops
YHZ1:41 amHalifax Intl
Jan 1
YHZ6:00 amHalifax Intl
40h 41m
2 stops
STL8:41 pmLambert-St Louis
$532
Find similar

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
Jan 21
STL4:05 pmLambert-St Louis
6h 21m
1 stop
YHZ12:26 amHalifax Intl
Jan 23
YHZ9:00 amHalifax Intl
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$320
Find similar
Air Canada
May 23
STL1:30 pmLambert-St Louis
6h 49m
1 stop
YHZ10:19 pmHalifax Intl
May 24
YHZ8:55 amHalifax Intl
8h 21m
1 stop
STL3:16 pmLambert-St Louis
$324
Find similar
Air Canada
Jan 21
STL4:05 pmLambert-St Louis
6h 21m
1 stop
YHZ12:26 amHalifax Intl
Jan 23
YHZ5:35 amHalifax Intl
11h 54m
2 stops
STL3:29 pmLambert-St Louis
$325
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Halifax 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 November 26, 2025.
Use the filters below to find and compare flights from St. Louis to Halifax that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 1/21

4:05 pm-12:26 am

1 stop6h 21m

Halifax Intl

Fri 1/23

9:00 am-3:29 pm

1 stop8h 29m

$320

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 5/23

1:30 pm-10:19 pm

1 stop6h 49m

Halifax Intl

Sun 5/24

8:55 am-3:16 pm

1 stop8h 21m

$324

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 1/21

4:05 pm-12:26 am

1 stop6h 21m

Halifax Intl

Fri 1/23

5:35 am-3:29 pm

2 stops11h 54m

$325

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 1/21

4:05 pm-12:26 am

1 stop6h 21m

Halifax Intl

Fri 1/23

9:00 am-3:29 pm

1 stop8h 29m

$331

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 1/21

4:05 pm-12:26 am

1 stop6h 21m

Halifax Intl

Fri 1/23

6:55 am-3:29 pm

2 stops10h 34m

$336

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 1/21

4:05 pm-11:04 am

2 stops16h 59m

Halifax Intl

Fri 1/23

6:55 am-3:29 pm

2 stops10h 34m

$358

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 1/21

4:05 pm-11:04 am

2 stops16h 59m

Halifax Intl

Fri 1/23

6:55 am-3:29 pm

2 stops10h 34m

$369

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 5/23

10:45 am-8:45 pm

2 stops8h 00m

Halifax Intl

Sun 5/24

3:30 pm-8:31 pm

1 stop7h 01m

$380

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 5/23

10:45 am-8:45 pm

2 stops8h 00m

Halifax Intl

Sun 5/24

1:30 pm-11:38 pm

2 stops12h 08m

$392

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 12/23

5:59 pm-1:41 am

2 stops29h 42m

Halifax Intl

Thu 1/1

6:00 am-8:41 pm

2 stops40h 41m

$532

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Halifax from

How to get the cheapest flight ticket from St. Louis to Halifax

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 Halifax?

According to our data, Tuesday is the cheapest day to fly to Halifax from St. Louis. The lowest ticket price found for a Tuesday departure recently was $463. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Halifax is Friday, with ticket prices averaging around $578.

What is the cheapest time of day to depart on your flight to Halifax?

The cheapest time of day to fly to Halifax is in the afternoon when flights can be purchased for as low as $527. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $536 on average. Flights to Halifax from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on St. Louis to Halifax flights?

You could potentially save up to 82% on your flight if you consider stops on a St. Louis to Halifax flight.

When to book flights from St. Louis to Halifax

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Halifax according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Halifax (STL to YHZ) flight deals and tips

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

Fastest flight time

5h 31m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 5h 31m
There are no direct flights from St. Louis to Halifax. There are no popular flight routes from St. Louis to Halifax.
Search flight deals

  • How far is Lambert-St Louis to Halifax Intl by plane?

    Lambert-St Louis and Halifax Intl are 1428.1 mi apart from one another. 6h 21m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Halifax Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Halifax Intl Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Halifax Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Halifax Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Halifax Intl Airport.

  • What documentation or ID do you need to fly to Halifax Intl Airport?

    The required travel and health documents for your Halifax 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 Halifax 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 Halifax?

Best airlines flying from St. Louis to Halifax

Compare and see reviews for airlines that fly from St. Louis to Halifax with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $214Free CancellationRating
7.1
10,476 reviews
Search Air Canada flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
American AirlinesPriceFrom $440Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

Traveling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Dartmouth
Lunenburg
Truro
Liverpool
Windsor
Bridgewater
Enfield

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Halifax?

It is quick and easy to find St. Louis to Halifax 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 Halifax that suits you.

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

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

How can momondo help me find flights from St. Louis to Halifax?

Once you have performed a search for St. Louis to Halifax 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 Halifax right now. Can momondo alert me if prices change?

Price alerts on flights to Halifax from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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