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Cheap flights from St. Louis to Halifax from $172

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 8/1. 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
2:20 pm - 12:24 am
STL
-
YHZ
8h 04m
1 stop
Air Canada Logo
7:05 am - 12:06 pm
YHZ
-
STL
7h 01m
1 stop
$342Air Canada
Wed, May 13 - Sat, May 16
Air Canada Logo
2:20 pm - 12:24 am
STL
-
YHZ
8h 04m
1 stop
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$343Air Canada
Tue, May 12 - Sun, May 17
Air Canada Logo
2:20 pm - 12:24 am
STL
-
YHZ
8h 04m
1 stop
Air Canada Logo
1:25 pm - 8:04 pm
YHZ
-
STL
8h 39m
2 stops
$348Air Canada
Wed, May 13 - Sat, May 16
Air Canada Logo
9:10 am - 2:03 pm
STL
-
YHZ
26h 53m
2 stops
Air Canada Logo
9:00 am - 3:24 pm
YHZ
-
STL
8h 24m
1 stop
$353Air Canada
Wed, Apr 8 - Wed, Apr 15
Air Canada Logo
7:30 am - 8:30 pm
STL
-
YHZ
11h 00m
2 stops
Air Canada Logo
5:45 am - 12:06 pm
YHZ
-
STL
8h 21m
2 stops
$357Air Canada
Tue, May 12 - Sun, May 17
Air Canada Logo
7:45 am - 12:20 am
STL
-
YHZ
14h 35m
2 stops
Air Canada Logo
6:55 am - 3:24 pm
YHZ
-
STL
10h 29m
2 stops
$360Air Canada
Wed, Apr 8 - Wed, Apr 15
WestJet Logo
2:18 pm - 9:45 pm
STL
-
YHZ
5h 27m
1 stop
WestJet Logo
3:30 pm - 8:31 pm
YHZ
-
STL
7h 01m
1 stop
$369WestJet
Thu, Jun 25 - Tue, Jun 30
Multiple Airlines Logo
4:05 pm - 10:35 am
STL
-
YHZ
16h 30m
2 stops
Multiple Airlines Logo
2:50 pm - 11:57 pm
YHZ
-
STL
11h 07m
1 stop
$370Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
4:05 pm - 9:24 am
STL
-
YHZ
15h 19m
1 stop
Multiple Airlines Logo
2:50 pm - 11:57 pm
YHZ
-
STL
11h 07m
1 stop
$377Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Air Canada Logo
4:05 pm - 12:04 am
STL
-
YHZ
5h 59m
1 stop
Air Canada Logo
7:00 am - 6:28 pm
YHZ
-
STL
13h 28m
2 stops
$380Air Canada
Sun, Apr 5 - Sun, Apr 12

WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
Jun 25
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Jun 30
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$369
WestJet
Jun 25
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Jun 30
YHZ8:30 amHalifax Intl
9h 28m
2 stops
STL3:58 pmLambert-St Louis
$383
WestJet
Jun 4
STL6:40 amLambert-St Louis
13h 05m
1 stop
YHZ9:45 pmHalifax Intl
Jun 8
YHZ1:15 pmHalifax Intl
24h 39m
1 stop
STL11:54 amLambert-St Louis
$390

American Airlines flights from St. Louis to Halifax

Our best American Airlines deals on St. Louis to Halifax flight tickets
American Airlines
Apr 8
STL6:35 amLambert-St Louis
15h 44m
2 stops
YHZ12:19 amHalifax Intl
Apr 15
YHZ6:30 amHalifax Intl
17h 47m
2 stops
STL10:17 pmLambert-St Louis
$466
American Airlines
Apr 6
STL6:00 amLambert-St Louis
16h 22m
2 stops
YHZ12:22 amHalifax Intl
Apr 13
YHZ6:30 amHalifax Intl
17h 47m
2 stops
STL10:17 pmLambert-St Louis
$484
American Airlines
Apr 16
STL7:05 amLambert-St Louis
11h 07m
2 stops
YHZ8:12 pmHalifax Intl
Apr 18
YHZ6:30 amHalifax Intl
16h 55m
3 stops
STL9:25 pmLambert-St Louis
$675

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 February 23, 2026.
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 5/13

2:20 pm-12:24 am

1 stop8h 04m

Halifax Intl

Sat 5/16

7:05 am-12:06 pm

1 stop7h 01m

$342

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 5/12

2:20 pm-12:24 am

1 stop8h 04m

Halifax Intl

Sun 5/17

6:00 am-12:06 pm

1 stop8h 06m

$343

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 5/13

2:20 pm-12:24 am

1 stop8h 04m

Halifax Intl

Sat 5/16

1:25 pm-8:04 pm

2 stops8h 39m

$348

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 4/8

9:10 am-2:03 pm

2 stops26h 53m

Halifax Intl

Wed 4/15

9:00 am-3:24 pm

1 stop8h 24m

$353

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 5/12

7:30 am-8:30 pm

2 stops11h 00m

Halifax Intl

Sun 5/17

5:45 am-12:06 pm

2 stops8h 21m

$357

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 4/8

7:45 am-12:20 am

2 stops14h 35m

Halifax Intl

Wed 4/15

6:55 am-3:24 pm

2 stops10h 29m

$360

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 6/25

2:18 pm-9:45 pm

1 stop5h 27m

Halifax Intl

Tue 6/30

3:30 pm-8:31 pm

1 stop7h 01m

$369

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 4/7

4:05 pm-10:35 am

2 stops16h 30m

Halifax Intl

Tue 4/14

2:50 pm-11:57 pm

1 stop11h 07m

$370

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 4/7

4:05 pm-9:24 am

1 stop15h 19m

Halifax Intl

Tue 4/14

2:50 pm-11:57 pm

1 stop11h 07m

$377

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 4/5

4:05 pm-12:04 am

1 stop5h 59m

Halifax Intl

Sun 4/12

7:00 am-6:28 pm

2 stops13h 28m

$380

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

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

6h 46m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 6h 46m
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 46m 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
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights

Traveling to a place near Halifax?

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