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Cheap flights from St. Louis to Halifax from $149

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 5/29. 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
$344Air 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
1:25 pm - 8:04 pm
YHZ
-
STL
8h 39m
2 stops
$349Air Canada
Wed, May 13 - Sat, May 16
Air Canada Logo
7:30 am - 8:30 pm
STL
-
YHZ
11h 00m
2 stops
Air Canada Logo
1:25 pm - 8:04 pm
YHZ
-
STL
8h 39m
2 stops
$355Air Canada
Wed, May 13 - Sat, May 16
Air Canada Logo
7:30 am - 8:30 pm
STL
-
YHZ
11h 00m
2 stops
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$360Air Canada
Wed, May 13 - Sat, May 16
Air Canada Logo
7:30 am - 8:30 pm
STL
-
YHZ
11h 00m
2 stops
Air Canada Logo
7:05 am - 12:06 pm
YHZ
-
STL
7h 01m
1 stop
$361Air Canada
Wed, May 13 - Sat, May 16
WestJet Logo
2:18 pm - 9:45 pm
STL
-
YHZ
5h 27m
1 stop
WestJet Logo
3:30 pm - 1:17 pm
YHZ
-
STL
23h 47m
1 stop
$368WestJet
Thu, Jun 18 - Sun, Jun 28
WestJet Logo
6:45 am - 9:45 pm
STL
-
YHZ
13h 00m
1 stop
WestJet Logo
3:30 pm - 1:17 pm
YHZ
-
STL
23h 47m
1 stop
$369WestJet
Thu, Jun 18 - Sun, Jun 28
WestJet Logo
10:45 am - 8:45 pm
STL
-
YHZ
8h 00m
2 stops
WestJet Logo
3:30 pm - 8:31 pm
YHZ
-
STL
7h 01m
1 stop
$377WestJet
Sat, Jul 18 - Sat, Jul 25
Air Canada Logo
7:30 am - 12:24 am
STL
-
YHZ
14h 54m
1 stop
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$379Air Canada
Wed, May 13 - Sat, May 16
Air Canada Logo
7:30 am - 8:04 pm
STL
-
YHZ
10h 34m
1 stop
Air Canada Logo
7:05 am - 12:06 pm
YHZ
-
STL
7h 01m
1 stop
$380Air Canada
Wed, May 13 - Sat, May 16

WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
Jun 18
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Jun 28
YHZ3:30 pmHalifax Intl
23h 47m
1 stop
STL1:17 pmLambert-St Louis
$369
WestJet
Jul 15
STL6:45 amLambert-St Louis
10h 30m
2 stops
YHZ7:15 pmHalifax Intl
Jul 22
YHZ6:40 amHalifax Intl
7h 14m
1 stop
STL11:54 amLambert-St Louis
$379
WestJet
Jun 18
STL6:45 amLambert-St Louis
13h 00m
1 stop
YHZ9:45 pmHalifax Intl
Jun 24
YHZ8:30 amHalifax Intl
9h 28m
2 stops
STL3:58 pmLambert-St Louis
$383

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
May 13
STL7:30 amLambert-St Louis
11h 00m
2 stops
YHZ8:30 pmHalifax Intl
May 16
YHZ6:00 amHalifax Intl
8h 06m
1 stop
STL12:06 pmLambert-St Louis
$360
Air Canada
May 13
STL7:30 amLambert-St Louis
12h 39m
1 stop
YHZ10:09 pmHalifax Intl
May 16
YHZ7:05 amHalifax Intl
7h 01m
1 stop
STL12:06 pmLambert-St Louis
$380
Air Canada
May 13
STL1:00 pmLambert-St Louis
8h 56m
1 stop
YHZ11:56 pmHalifax Intl
May 16
YHZ5:45 amHalifax Intl
8h 21m
2 stops
STL12:06 pmLambert-St Louis
$389

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 January 28, 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

$344

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

$349

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 5/13

7:30 am-8:30 pm

2 stops11h 00m

Halifax Intl

Sat 5/16

1:25 pm-8:04 pm

2 stops8h 39m

$355

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 5/13

7:30 am-8:30 pm

2 stops11h 00m

Halifax Intl

Sat 5/16

6:00 am-12:06 pm

1 stop8h 06m

$360

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 5/13

7:30 am-8:30 pm

2 stops11h 00m

Halifax Intl

Sat 5/16

7:05 am-12:06 pm

1 stop7h 01m

$361

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 6/18

2:18 pm-9:45 pm

1 stop5h 27m

Halifax Intl

Sun 6/28

3:30 pm-1:17 pm

1 stop23h 47m

$368

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 6/18

6:45 am-9:45 pm

1 stop13h 00m

Halifax Intl

Sun 6/28

3:30 pm-1:17 pm

1 stop23h 47m

$369

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 7/18

10:45 am-8:45 pm

2 stops8h 00m

Halifax Intl

Sat 7/25

3:30 pm-8:31 pm

1 stop7h 01m

$377

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 5/13

7:30 am-12:24 am

1 stop14h 54m

Halifax Intl

Sat 5/16

6:00 am-12:06 pm

1 stop8h 06m

$379

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 5/13

7:30 am-8:04 pm

1 stop10h 34m

Halifax Intl

Sat 5/16

7:05 am-12:06 pm

1 stop7h 01m

$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

5h 27m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 5h 27m
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 27m 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
10,666 reviews
Search Air Canada flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,214 reviews
Search United Airlines flights
American AirlinesPriceFrom $440Free CancellationRating
7.2
11,199 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
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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