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Cheap flights from St. Louis to Halifax from $148

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 9/15. 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
6:30 am - 11:55 pmSTL-YHZ
15h 25m2 stops
United Airlines Logo
5:25 am - 3:44 pmYHZ-STL
12h 19m2 stops
$362United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
United Airlines Logo
3:23 pm - 9:39 amSTL-YHZ
16h 16m2 stops
United Airlines Logo
2:50 pm - 10:49 amYHZ-STL
21h 59m2 stops
$386United Airlines
Find Deal
Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
9:17 am - 1:49 amSTL-YHZ
14h 32m2 stops
United Airlines Logo
5:25 am - 10:35 pmYHZ-STL
19h 10m2 stops
$387United Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
American Airlines Logo
7:01 am - 3:21 pmSTL-YHZ
30h 20m1 stop
American Airlines Logo
2:15 pm - 9:53 pmYHZ-STL
9h 38m1 stop
$433American Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
American Airlines Logo
6:00 pm - 3:16 pmSTL-YHZ
19h 16m1 stop
American Airlines Logo
4:06 pm - 9:26 amYHZ-STL
19h 20m2 stops
$491American Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 16
Logo
10:35 am - 10:39 pmSTL-YHZ
34h 04m2 stops
Logo
6:30 am - 10:02 amYHZ-STL
29h 32m3 stops
$511
Find Deal
Thu, Sep 25 - Mon, Oct 6
Logo
12:25 pm - 1:49 amSTL-YHZ
11h 24m2 stops
Logo
9:05 am - 3:18 pmYHZ-STL
8h 13m1 stop
$576
Find Deal
Sat, Oct 4 - Tue, Oct 7
Air Canada Logo
1:30 pm - 10:38 pmSTL-YHZ
7h 08m1 stop
Air Canada Logo
9:05 am - 3:18 pmYHZ-STL
8h 13m1 stop
$712Air Canada
Find Deal
Fri, Oct 3 - Tue, Oct 7
Delta Logo
1:35 pm - 12:53 pmSTL-YHZ
21h 18m1 stop
Delta Logo
1:43 pm - 8:13 amYHZ-STL
20h 30m1 stop
$713Delta
Find Deal
Sat, Oct 18 - Mon, Oct 20
Air Canada Logo
1:30 pm - 10:38 pmSTL-YHZ
7h 08m1 stop
Air Canada Logo
11:25 am - 7:38 pmYHZ-STL
10h 13m2 stops
$717Air Canada
Find Deal
Fri, Oct 3 - Tue, Oct 7

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
Oct 3
STL1:30 pmLambert-St Louis
7h 08m
1 stop
YHZ10:38 pmHalifax Intl
Oct 7
YHZ9:05 amHalifax Intl
8h 13m
1 stop
STL3:18 pmLambert-St Louis
$712
Find similar
Air Canada
Oct 3
STL1:30 pmLambert-St Louis
7h 08m
1 stop
YHZ10:38 pmHalifax Intl
Oct 7
YHZ11:25 amHalifax Intl
10h 13m
2 stops
STL7:38 pmLambert-St Louis
$717
Find similar
Air Canada
Oct 3
STL9:15 amLambert-St Louis
9h 54m
2 stops
YHZ9:09 pmHalifax Intl
Oct 6
YHZ11:25 amHalifax Intl
10h 13m
2 stops
STL7:38 pmLambert-St Louis
$729
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 4
STL6:30 amLambert-St Louis
15h 25m
2 stops
YHZ11:55 pmHalifax Intl
Oct 7
YHZ5:25 amHalifax Intl
12h 19m
2 stops
STL3:44 pmLambert-St Louis
$362
Find similar
United Airlines
Oct 18
STL3:23 pmLambert-St Louis
16h 16m
2 stops
YHZ9:39 amHalifax Intl
Oct 21
YHZ2:50 pmHalifax Intl
21h 59m
2 stops
STL10:49 amLambert-St Louis
$386
Find similar
United Airlines
Sep 20
STL9:17 amLambert-St Louis
14h 32m
2 stops
YHZ1:49 amHalifax Intl
Sep 27
YHZ5:25 amHalifax Intl
19h 10m
2 stops
STL10:35 pmLambert-St Louis
$387
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 August 21, 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

Sat 10/4

6:30 am-11:55 pm

2 stops15h 25m

Halifax Intl

Tue 10/7

5:25 am-3:44 pm

2 stops12h 19m

$362

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 10/18

3:23 pm-9:39 am

2 stops16h 16m

Halifax Intl

Tue 10/21

2:50 pm-10:49 am

2 stops21h 59m

$386

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 9/20

9:17 am-1:49 am

2 stops14h 32m

Halifax Intl

Sat 9/27

5:25 am-10:35 pm

2 stops19h 10m

$387

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 9/20

7:01 am-3:21 pm

1 stop30h 20m

Halifax Intl

Sat 9/27

2:15 pm-9:53 pm

1 stop9h 38m

$433

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/3

6:00 pm-3:16 pm

1 stop19h 16m

Halifax Intl

Tue 9/16

4:06 pm-9:26 am

2 stops19h 20m

$491

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 9/25

10:35 am-10:39 pm

2 stops34h 04m

Halifax Intl

Mon 10/6

6:30 am-10:02 am

3 stops29h 32m

$511

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 10/4

12:25 pm-1:49 am

2 stops11h 24m

Halifax Intl

Tue 10/7

9:05 am-3:18 pm

1 stop8h 13m

$576

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 10/3

1:30 pm-10:38 pm

1 stop7h 08m

Halifax Intl

Tue 10/7

9:05 am-3:18 pm

1 stop8h 13m

$712

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 10/18

1:35 pm-12:53 pm

1 stop21h 18m

Halifax Intl

Mon 10/20

1:43 pm-8:13 am

1 stop20h 30m

$713

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 10/3

1:30 pm-10:38 pm

1 stop7h 08m

Halifax Intl

Tue 10/7

11:25 am-7:38 pm

2 stops10h 13m

$717

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 75% 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 52m 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
8,930 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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