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Cheap flights from St. Louis to Halifax from $175

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 7/20. 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
2:40 pm - 12:39 am
STL
-
YHZ
7h 59m
1 stop
Air Canada Logo
12:25 pm - 6:42 pm
YHZ
-
STL
8h 17m
1 stop
$402Air Canada
Tue, Aug 11 - Sat, Aug 22
American Airlines Logo
6:00 am - 2:10 pm
STL
-
YHZ
6h 10m
1 stop
American Airlines Logo
4:00 pm - 9:03 pm
YHZ
-
STL
7h 03m
1 stop
$405American Airlines
Wed, Sep 16 - Thu, Sep 24
Air Canada Logo
2:15 pm - 9:54 pm
STL
-
YHZ
5h 39m
1 stop
Air Canada Logo
7:05 am - 12:21 pm
YHZ
-
STL
7h 16m
1 stop
$407Air Canada
Sat, Jun 20 - Sat, Jun 27
Air Canada Logo
8:55 am - 8:30 pm
STL
-
YHZ
9h 35m
2 stops
Air Canada Logo
12:25 pm - 6:42 pm
YHZ
-
STL
8h 17m
1 stop
$408Air Canada
Sat, Aug 22 - Wed, Aug 26
Air Canada Logo
8:55 am - 8:29 pm
STL
-
YHZ
9h 34m
2 stops
Air Canada Logo
9:00 am - 2:00 pm
YHZ
-
STL
7h 00m
1 stop
$413Air Canada
Wed, Sep 16 - Thu, Sep 24
United Airlines Logo
6:00 am - 11:55 pm
STL
-
YHZ
15h 55m
2 stops
United Airlines Logo
4:50 pm - 11:29 pm
YHZ
-
STL
8h 39m
1 stop
$415United Airlines
Sat, May 30 - Wed, Jun 3
Air Canada Logo
8:55 am - 8:30 pm
STL
-
YHZ
9h 35m
2 stops
Air Canada Logo
7:15 am - 2:02 pm
YHZ
-
STL
8h 47m
2 stops
$418Air Canada
Sat, Aug 22 - Wed, Aug 26
Delta Logo
9:17 am - 11:18 pm
STL
-
YHZ
12h 01m
2 stops
Delta Logo
6:30 am - 4:17 pm
YHZ
-
STL
11h 47m
2 stops
$420Delta
Thu, Aug 6 - Wed, Aug 12
Air Canada Logo
8:55 am - 8:30 pm
STL
-
YHZ
9h 35m
2 stops
Air Canada Logo
6:25 am - 2:02 pm
YHZ
-
STL
9h 37m
2 stops
$421Air Canada
Sat, Aug 29 - Mon, Sep 7
United Airlines Logo
6:00 am - 11:55 pm
STL
-
YHZ
15h 55m
1 stop
United Airlines Logo
4:50 pm - 11:29 pm
YHZ
-
STL
8h 39m
1 stop
$427United Airlines
Mon, Jun 8 - Mon, Jun 15

WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
Jul 20
STL6:30 amLambert-St Louis
13h 10m
1 stop
YHZ9:40 pmHalifax Intl
Jul 27
YHZ3:30 pmHalifax Intl
7h 07m
1 stop
STL8:37 pmLambert-St Louis
$432
WestJet
Sep 4
STL6:45 amLambert-St Louis
12h 55m
1 stop
YHZ9:40 pmHalifax Intl
Sep 15
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$433
WestJet
Sep 4
STL6:45 amLambert-St Louis
12h 55m
1 stop
YHZ9:40 pmHalifax Intl
Sep 15
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$434

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
Aug 11
STL2:40 pmLambert-St Louis
7h 59m
1 stop
YHZ12:39 amHalifax Intl
Aug 22
YHZ12:25 pmHalifax Intl
8h 17m
1 stop
STL6:42 pmLambert-St Louis
$402
Air Canada
Jun 20
STL2:15 pmLambert-St Louis
5h 39m
1 stop
YHZ9:54 pmHalifax Intl
Jun 27
YHZ7:05 amHalifax Intl
7h 16m
1 stop
STL12:21 pmLambert-St Louis
$407
Air Canada
Aug 22
STL8:55 amLambert-St Louis
9h 35m
2 stops
YHZ8:30 pmHalifax Intl
Aug 26
YHZ12:25 pmHalifax Intl
8h 17m
1 stop
STL6:42 pmLambert-St Louis
$408

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 May 10, 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

Cheapest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 8/11

2:40 pm-12:39 am

1 stop7h 59m

Halifax Intl

Sat 8/22

12:25 pm-6:42 pm

1 stop8h 17m

$402

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

6:00 am-2:10 pm

1 stop6h 10m

Halifax Intl

Thu 9/24

4:00 pm-9:03 pm

1 stop7h 03m

$405
Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 6/20

2:15 pm-9:54 pm

1 stop5h 39m

Halifax Intl

Sat 6/27

7:05 am-12:21 pm

1 stop7h 16m

$407

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 8/22

8:55 am-8:30 pm

2 stops9h 35m

Halifax Intl

Wed 8/26

12:25 pm-6:42 pm

1 stop8h 17m

$408

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-8:29 pm

2 stops9h 34m

Halifax Intl

Thu 9/24

9:00 am-2:00 pm

1 stop7h 00m

$413

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 5/30

6:00 am-11:55 pm

2 stops15h 55m

Halifax Intl

Wed 6/3

4:50 pm-11:29 pm

1 stop8h 39m

$415

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 8/22

8:55 am-8:30 pm

2 stops9h 35m

Halifax Intl

Wed 8/26

7:15 am-2:02 pm

2 stops8h 47m

$418

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 8/6

9:17 am-11:18 pm

2 stops12h 01m

Halifax Intl

Wed 8/12

6:30 am-4:17 pm

2 stops11h 47m

$420

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 8/29

8:55 am-8:30 pm

2 stops9h 35m

Halifax Intl

Mon 9/7

6:25 am-2:02 pm

2 stops9h 37m

$421

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 6/8

6:00 am-11:55 pm

1 stop15h 55m

Halifax Intl

Mon 6/15

4:50 pm-11:29 pm

1 stop8h 39m

$427

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 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

Fastest flight time

5h 22m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 5h 22m
There are no direct flights from St. Louis to Halifax. There are no popular flight routes from St. Louis to Halifax.
Search flight deals

Frequently asked questions about flying from St. Louis to Halifax

  • 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 22m 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 $322Free CancellationRating
7.1
11,013 reviews
Search Air Canada flights

Traveling to a place near Halifax?

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

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.

An easier way to manage your Halifax trip

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