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Cheap flights from St. Louis to Halifax from $139

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 1/15. 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

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 12:41 am
STL
-
YHZ
6h 36m1 stop
Air Canada Logo
9:00 am - 3:29 pm
YHZ
-
STL
8h 29m1 stop
$332Air Canada
Sat, Jan 17 - Wed, Jan 21
Air Canada Logo
4:05 pm - 12:41 am
STL
-
YHZ
6h 36m1 stop
Air Canada Logo
6:55 am - 3:29 pm
YHZ
-
STL
10h 34m2 stops
$340Air Canada
Sat, Jan 17 - Wed, Jan 21
Air Canada Logo
7:30 am - 5:09 pm
STL
-
YHZ
7h 39m1 stop
Air Canada Logo
7:05 am - 12:06 pm
YHZ
-
STL
7h 01m1 stop
$343Air Canada
Sat, Jun 6 - Sat, Jun 13
Air Canada Logo
7:30 am - 8:30 pm
STL
-
YHZ
11h 00m2 stops
Air Canada Logo
5:45 am - 12:06 pm
YHZ
-
STL
8h 21m2 stops
$346Air Canada
Tue, Jun 9 - Wed, Jun 17
United Airlines Logo
4:49 pm - 2:31 pm
STL
-
YHZ
19h 42m2 stops
United Airlines Logo
3:15 pm - 10:58 pm
YHZ
-
STL
9h 43m2 stops
$348United Airlines
Sat, Jan 17 - Wed, Jan 21
Air Canada Logo
7:30 am - 10:09 pm
STL
-
YHZ
12h 39m1 stop
Air Canada Logo
7:05 am - 12:06 pm
YHZ
-
STL
7h 01m1 stop
$356Air Canada
Sun, May 31 - Fri, Jun 5
United Airlines Logo
4:49 pm - 2:31 pm
STL
-
YHZ
19h 42m2 stops
United Airlines Logo
3:15 pm - 10:58 pm
YHZ
-
STL
9h 43m2 stops
$359United Airlines
Sat, Jan 17 - Wed, Jan 21
Air Canada Logo
7:30 am - 10:09 pm
STL
-
YHZ
12h 39m1 stop
Air Canada Logo
5:45 am - 12:06 pm
YHZ
-
STL
8h 21m2 stops
$364Air Canada
Sun, May 31 - Fri, Jun 5
Air Canada Logo
7:30 am - 3:09 pm
STL
-
YHZ
5h 39m1 stop
Air Canada Logo
5:45 am - 8:05 pm
YHZ
-
STL
16h 20m1 stop
$370Air Canada
Sat, Jun 13 - Sun, Jun 21
WestJet Logo
6:00 am - 7:15 pm
STL
-
YHZ
11h 15m2 stops
WestJet Logo
3:30 pm - 11:01 pm
YHZ
-
STL
9h 31m2 stops
$380WestJet
Sun, May 31 - Fri, Jun 5

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
Jan 17
STL4:05 pmLambert-St Louis
6h 36m
1 stop
YHZ12:41 amHalifax Intl
Jan 21
YHZ9:00 amHalifax Intl
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$332
Find similar
Air Canada
Jan 17
STL4:05 pmLambert-St Louis
6h 36m
1 stop
YHZ12:41 amHalifax Intl
Jan 21
YHZ6:55 amHalifax Intl
10h 34m
2 stops
STL3:29 pmLambert-St Louis
$340
Find similar
Air Canada
Feb 2
STL4:05 pmLambert-St Louis
6h 01m
1 stop
YHZ12:06 amHalifax Intl
Feb 6
YHZ9:00 amHalifax Intl
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$343
Find similar

WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
May 31
STL6:00 amLambert-St Louis
11h 15m
2 stops
YHZ7:15 pmHalifax Intl
Jun 5
YHZ3:30 pmHalifax Intl
9h 31m
2 stops
STL11:01 pmLambert-St Louis
$380
Find similar
WestJet
May 31
STL9:00 amLambert-St Louis
19h 40m
2 stops
YHZ6:40 amHalifax Intl
Jun 5
YHZ3:30 pmHalifax Intl
27h 15m
2 stops
STL4:45 pmLambert-St Louis
$406
Find similar
WestJet
Jun 13
STL6:45 amLambert-St Louis
12h 00m
2 stops
YHZ8:45 pmHalifax Intl
Jun 21
YHZ8:30 amHalifax Intl
11h 32m
2 stops
STL6:02 pmLambert-St Louis
$427
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 December 18, 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 1/17

4:05 pm-12:41 am

1 stop6h 36m

Halifax Intl

Wed 1/21

9:00 am-3:29 pm

1 stop8h 29m

$332

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 1/17

4:05 pm-12:41 am

1 stop6h 36m

Halifax Intl

Wed 1/21

6:55 am-3:29 pm

2 stops10h 34m

$340

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 6/6

7:30 am-5:09 pm

1 stop7h 39m

Halifax Intl

Sat 6/13

7:05 am-12:06 pm

1 stop7h 01m

$343

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 6/9

7:30 am-8:30 pm

2 stops11h 00m

Halifax Intl

Wed 6/17

5:45 am-12:06 pm

2 stops8h 21m

$346

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 1/17

4:49 pm-2:31 pm

2 stops19h 42m

Halifax Intl

Wed 1/21

3:15 pm-10:58 pm

2 stops9h 43m

$348

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 5/31

7:30 am-10:09 pm

1 stop12h 39m

Halifax Intl

Fri 6/5

7:05 am-12:06 pm

1 stop7h 01m

$356

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 1/17

4:49 pm-2:31 pm

2 stops19h 42m

Halifax Intl

Wed 1/21

3:15 pm-10:58 pm

2 stops9h 43m

$359

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 5/31

7:30 am-10:09 pm

1 stop12h 39m

Halifax Intl

Fri 6/5

5:45 am-12:06 pm

2 stops8h 21m

$364

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 6/13

7:30 am-3:09 pm

1 stop5h 39m

Halifax Intl

Sun 6/21

5:45 am-8:05 pm

1 stop16h 20m

$370

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 5/31

6:00 am-7:15 pm

2 stops11h 15m

Halifax Intl

Fri 6/5

3:30 pm-11:01 pm

2 stops9h 31m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 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 17m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 5h 17m
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 17m 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 $152Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
American AirlinesPriceFrom $440Free CancellationRating
7.2
11,055 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.

An easier way to manage your Halifax trip

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