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Cheap flights from St. Louis to Halifax from $287

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Halifax departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
2:15 pm - 12:24 am
STL
-
YHZ
8h 09m
1 stop
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$287Air Canada
Tue, May 12 - Tue, May 19
Air Canada Logo
7:05 am - 12:24 am
STL
-
YHZ
15h 19m
1 stop
Air Canada Logo
6:20 am - 12:06 pm
YHZ
-
STL
7h 46m
2 stops
$291Air Canada
Tue, May 12 - Tue, May 19
Air Canada Logo
2:40 pm - 12:39 am
STL
-
YHZ
7h 59m
1 stop
Air Canada Logo
2:30 pm - 6:42 pm
YHZ
-
STL
6h 12m
1 stop
$296Air Canada
Mon, Aug 24 - Fri, Aug 28
Air Canada Logo
1:05 pm - 11:56 pm
STL
-
YHZ
8h 51m
1 stop
Air Canada Logo
6:00 am - 12:06 pm
YHZ
-
STL
8h 06m
1 stop
$298Air Canada
Mon, May 11 - Mon, May 18
Air Canada Logo
1:05 pm - 11:56 pm
STL
-
YHZ
8h 51m
1 stop
Air Canada Logo
7:00 am - 12:06 pm
YHZ
-
STL
7h 06m
1 stop
$301Air Canada
Sat, May 9 - Sat, May 16
Air Canada Logo
7:05 am - 8:30 pm
STL
-
YHZ
11h 25m
2 stops
Air Canada Logo
7:00 am - 12:06 pm
YHZ
-
STL
7h 06m
1 stop
$303Air Canada
Sat, May 9 - Sat, May 16
Air Canada Logo
2:40 pm - 12:39 am
STL
-
YHZ
7h 59m
1 stop
Air Canada Logo
7:15 am - 2:02 pm
YHZ
-
STL
8h 47m
2 stops
$306Air Canada
Mon, Aug 24 - Fri, Aug 28
Air Canada Logo
1:05 pm - 11:56 pm
STL
-
YHZ
8h 51m
1 stop
Air Canada Logo
6:20 am - 12:06 pm
YHZ
-
STL
7h 46m
2 stops
$310Air Canada
Mon, May 11 - Mon, May 18
United Airlines Logo
6:00 am - 11:55 pm
STL
-
YHZ
15h 55m
2 stops
United Airlines Logo
4:50 pm - 9:26 pm
YHZ
-
STL
6h 36m
1 stop
$313United Airlines
Sat, Jun 20 - Fri, Jun 26
Air Canada Logo
7:05 am - 8:30 pm
STL
-
YHZ
11h 25m
2 stops
Air Canada Logo
6:20 am - 12:06 pm
YHZ
-
STL
7h 46m
2 stops
$316Air Canada
Mon, May 11 - Mon, May 18

WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
Sep 4
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Sep 15
YHZ3:30 pmHalifax Intl
20h 00m
1 stop
STL9:30 amLambert-St Louis
$368
WestJet
Sep 4
STL2:18 pmLambert-St Louis
5h 27m
1 stop
YHZ9:45 pmHalifax Intl
Sep 15
YHZ3:30 pmHalifax Intl
7h 01m
1 stop
STL8:31 pmLambert-St Louis
$369
WestJet
Sep 17
STL6:45 amLambert-St Louis
10h 40m
2 stops
YHZ7:25 pmHalifax Intl
Sep 29
YHZ6:40 amHalifax Intl
7h 14m
1 stop
STL11:54 amLambert-St Louis
$378

Air Canada flights from St. Louis to Halifax

Our best Air Canada deals on St. Louis to Halifax flight tickets
Air Canada
May 12
STL2:15 pmLambert-St Louis
8h 09m
1 stop
YHZ12:24 amHalifax Intl
May 19
YHZ6:00 amHalifax Intl
8h 06m
1 stop
STL12:06 pmLambert-St Louis
$287
Air Canada
May 12
STL7:05 amLambert-St Louis
15h 19m
1 stop
YHZ12:24 amHalifax Intl
May 19
YHZ6:20 amHalifax Intl
7h 46m
2 stops
STL12:06 pmLambert-St Louis
$291
Air Canada
Aug 24
STL2:40 pmLambert-St Louis
7h 59m
1 stop
YHZ12:39 amHalifax Intl
Aug 28
YHZ2:30 pmHalifax Intl
6h 12m
1 stop
STL6:42 pmLambert-St Louis
$296

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 March 29, 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 5/12

2:15 pm-12:24 am

1 stop8h 09m

Halifax Intl

Tue 5/19

6:00 am-12:06 pm

1 stop8h 06m

$287

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 5/12

7:05 am-12:24 am

1 stop15h 19m

Halifax Intl

Tue 5/19

6:20 am-12:06 pm

2 stops7h 46m

$291
Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 8/24

2:40 pm-12:39 am

1 stop7h 59m

Halifax Intl

Fri 8/28

2:30 pm-6:42 pm

1 stop6h 12m

$296

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 5/11

1:05 pm-11:56 pm

1 stop8h 51m

Halifax Intl

Mon 5/18

6:00 am-12:06 pm

1 stop8h 06m

$298

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 5/9

1:05 pm-11:56 pm

1 stop8h 51m

Halifax Intl

Sat 5/16

7:00 am-12:06 pm

1 stop7h 06m

$301

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 5/9

7:05 am-8:30 pm

2 stops11h 25m

Halifax Intl

Sat 5/16

7:00 am-12:06 pm

1 stop7h 06m

$303

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 8/24

2:40 pm-12:39 am

1 stop7h 59m

Halifax Intl

Fri 8/28

7:15 am-2:02 pm

2 stops8h 47m

$306

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 5/11

1:05 pm-11:56 pm

1 stop8h 51m

Halifax Intl

Mon 5/18

6:20 am-12:06 pm

2 stops7h 46m

$310

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 6/20

6:00 am-11:55 pm

2 stops15h 55m

Halifax Intl

Fri 6/26

4:50 pm-9:26 pm

1 stop6h 36m

$313

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 5/11

7:05 am-8:30 pm

2 stops11h 25m

Halifax Intl

Mon 5/18

6:20 am-12:06 pm

2 stops7h 46m

$316

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 79% 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?

Traveling to a place near Halifax?

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