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Cheap flights from St. Louis to Halifax from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Halifax departing on 12/26. 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

United Airlines Logo
5:28 pm - 3:49 pmSTL-YHZ
20h 21m2 stops
United Airlines Logo
3:15 pm - 3:46 pmYHZ-STL
26h 31m2 stops
$425United Airlines
Find Deal
Tue, Oct 21 - Wed, Nov 12
Multiple Airlines Logo
1:00 pm - 9:25 amSTL-YHZ
18h 25m3 stops
Multiple Airlines Logo
5:35 am - 3:29 pmYHZ-STL
11h 54m2 stops
$609Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
6:30 am - 12:26 amSTL-YHZ
15h 56m2 stops
United Airlines Logo
7:00 am - 7:38 pmYHZ-STL
14h 38m2 stops
$611United Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 1
United Airlines Logo
12:25 pm - 1:49 amSTL-YHZ
11h 24m2 stops
United Airlines Logo
9:00 am - 3:29 pmYHZ-STL
8h 29m1 stop
$615United Airlines
Find Deal
Tue, Oct 21 - Wed, Nov 12
United Airlines Logo
8:05 am - 10:06 pmSTL-YHZ
12h 01m2 stops
United Airlines Logo
7:00 am - 7:38 pmYHZ-STL
14h 38m2 stops
$618United Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Air Canada Logo
4:05 pm - 12:16 amSTL-YHZ
6h 11m1 stop
Air Canada Logo
6:55 am - 3:29 pmYHZ-STL
10h 34m2 stops
$621Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
1:00 pm - 11:11 amSTL-YHZ
20h 11m3 stops
Multiple Airlines Logo
7:00 am - 3:29 pmYHZ-STL
10h 29m1 stop
$631Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
6:30 am - 12:26 amSTL-YHZ
15h 56m2 stops
United Airlines Logo
9:00 am - 3:29 pmYHZ-STL
8h 29m1 stop
$638United Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 1
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
$727Air Canada
Find Deal
Tue, Dec 23 - Thu, Jan 1
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
$738Air Canada
Find Deal
Fri, Dec 26 - Sun, Jan 4

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
Oct 31
STL4:05 pmLambert-St Louis
6h 11m
1 stop
YHZ12:16 amHalifax Intl
Nov 7
YHZ6:55 amHalifax Intl
10h 34m
2 stops
STL3:29 pmLambert-St Louis
$621
Find similar
Air Canada
Dec 23
STL4:05 pmLambert-St Louis
6h 21m
1 stop
YHZ12:26 amHalifax Intl
Jan 1
YHZ9:00 amHalifax Intl
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$727
Find similar
Air Canada
Dec 26
STL4:05 pmLambert-St Louis
6h 21m
1 stop
YHZ12:26 amHalifax Intl
Jan 4
YHZ9:00 amHalifax Intl
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$738
Find similar

United Airlines flights from St. Louis to Halifax

Our best United Airlines deals on St. Louis to Halifax flight tickets
United Airlines
Oct 21
STL5:28 pmLambert-St Louis
20h 21m
2 stops
YHZ3:49 pmHalifax Intl
Nov 12
YHZ3:15 pmHalifax Intl
26h 31m
2 stops
STL3:46 pmLambert-St Louis
$425
Find similar
United Airlines
Dec 23
STL6:30 amLambert-St Louis
15h 56m
2 stops
YHZ12:26 amHalifax Intl
Jan 1
YHZ7:00 amHalifax Intl
14h 38m
2 stops
STL7:38 pmLambert-St Louis
$611
Find similar
United Airlines
Oct 21
STL12:25 pmLambert-St Louis
11h 24m
2 stops
YHZ1:49 amHalifax Intl
Nov 12
YHZ9:00 amHalifax Intl
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$615
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 September 16, 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

Tue 10/21

5:28 pm-3:49 pm

2 stops20h 21m

Halifax Intl

Wed 11/12

3:15 pm-3:46 pm

2 stops26h 31m

$425

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 10/31

1:00 pm-9:25 am

3 stops18h 25m

Halifax Intl

Fri 11/7

5:35 am-3:29 pm

2 stops11h 54m

$609

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 12/23

6:30 am-12:26 am

2 stops15h 56m

Halifax Intl

Thu 1/1

7:00 am-7:38 pm

2 stops14h 38m

$611

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 10/21

12:25 pm-1:49 am

2 stops11h 24m

Halifax Intl

Wed 11/12

9:00 am-3:29 pm

1 stop8h 29m

$615

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 12/25

8:05 am-10:06 pm

2 stops12h 01m

Halifax Intl

Thu 1/1

7:00 am-7:38 pm

2 stops14h 38m

$618

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 10/31

4:05 pm-12:16 am

1 stop6h 11m

Halifax Intl

Fri 11/7

6:55 am-3:29 pm

2 stops10h 34m

$621

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 10/31

1:00 pm-11:11 am

3 stops20h 11m

Halifax Intl

Fri 11/7

7:00 am-3:29 pm

1 stop10h 29m

$631

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 12/23

6:30 am-12:26 am

2 stops15h 56m

Halifax Intl

Thu 1/1

9:00 am-3:29 pm

1 stop8h 29m

$638

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 12/23

4:05 pm-12:26 am

1 stop6h 21m

Halifax Intl

Thu 1/1

9:00 am-3:29 pm

1 stop8h 29m

$727

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 12/26

4:05 pm-12:26 am

1 stop6h 21m

Halifax Intl

Sun 1/4

9:00 am-3:29 pm

1 stop8h 29m

$738

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 typical price of a round-trip flight between St. Louis and Halifax?

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 41% 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

Direct flights

None
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. 5h 54m 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 $191Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $358Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Truro
Dartmouth
Lunenburg
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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