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Cheap flights from St. Louis to Halifax from $190

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 7/22. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
8:55 am - 5:14 pm
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
12:35 pm - 6:42 pm
YHZ
-
STL
8h 07m
1 stop
$378Air Canada
Sun, Jul 26 - Tue, Aug 4
Air Canada Logo
8:55 am - 8:30 pm
STL
-
YHZ
9h 35m
2 stops
Air Canada Logo
12:35 pm - 6:42 pm
YHZ
-
STL
8h 07m
1 stop
$381Air Canada
Sun, Jul 26 - Tue, Aug 4
Air Canada Logo
8:55 am - 8:30 pm
STL
-
YHZ
9h 35m
2 stops
Air Canada Logo
6:25 am - 2:04 pm
YHZ
-
STL
9h 39m
2 stops
$427Air Canada
Sun, Jul 26 - Tue, Aug 4
Multiple Airlines Logo
7:00 am - 11:55 pm
STL
-
YHZ
14h 55m
1 stop
Multiple Airlines Logo
9:00 am - 2:00 pm
YHZ
-
STL
7h 00m
1 stop
$431Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
7:00 am - 11:55 pm
STL
-
YHZ
14h 55m
1 stop
United Airlines Logo
7:00 am - 9:09 pm
YHZ
-
STL
16h 09m
1 stop
$433United Airlines
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
6:00 am - 9:15 pm
STL
-
YHZ
13h 15m
1 stop
American Airlines Logo
3:15 pm - 8:55 pm
YHZ
-
STL
7h 40m
1 stop
$434American Airlines
Fri, Jul 17 - Fri, Jul 24
Air Canada Logo
8:55 am - 5:14 pm
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
4:10 pm - 8:20 pm
YHZ
-
STL
6h 10m
1 stop
$435Air Canada
Wed, Sep 16 - Thu, Sep 24
Multiple Airlines Logo
6:01 am - 11:55 pm
STL
-
YHZ
15h 54m
1 stop
Multiple Airlines Logo
7:15 am - 2:04 pm
YHZ
-
STL
8h 49m
2 stops
$437Multiple Airlines
Sun, Aug 2 - Sat, Aug 8
Air Canada Logo
8:55 am - 5:14 pm
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
7:15 am - 2:00 pm
YHZ
-
STL
8h 45m
2 stops
$440Air Canada
Wed, Sep 16 - Thu, Sep 24
Air Canada Logo
8:55 am - 5:14 pm
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
9:00 am - 2:00 pm
YHZ
-
STL
7h 00m
1 stop
$442Air Canada
Sat, Sep 19 - Wed, Sep 23

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WestJet flights from St. Louis to Halifax

Our best WestJet deals on St. Louis to Halifax flight tickets
WestJet
Sep 6
STL10:33 amLambert-St Louis
8h 37m
1 stop
YHZ9:10 pmHalifax Intl
Sep 11
YHZ3:30 pmHalifax Intl
25h 44m
1 stop
STL3:14 pmLambert-St Louis
$457
WestJet
Sep 16
STL1:55 pmLambert-St Louis
16h 15m
2 stops
YHZ8:10 amHalifax Intl
Sep 24
YHZ8:00 pmHalifax Intl
16h 55m
2 stops
STL10:55 amLambert-St Louis
$466
WestJet
Aug 6
STL10:33 amLambert-St Louis
8h 37m
1 stop
YHZ9:10 pmHalifax Intl
Aug 13
YHZ3:30 pmHalifax Intl
23h 44m
1 stop
STL1:14 pmLambert-St Louis
$467

United Airlines flights from St. Louis to Halifax

Our best United Airlines deals on St. Louis to Halifax flight tickets
United Airlines
Sep 22
STL7:00 amLambert-St Louis
14h 55m
1 stop
YHZ11:55 pmHalifax Intl
Sep 29
YHZ7:00 amHalifax Intl
16h 09m
1 stop
STL9:09 pmLambert-St Louis
$433
United Airlines
Jul 17
STL6:01 amLambert-St Louis
6h 02m
1 stop
YHZ2:03 pmHalifax Intl
Jul 24
YHZ2:50 pmHalifax Intl
10h 54m
1 stop
STL11:44 pmLambert-St Louis
$451
United Airlines
Aug 7
STL1:13 pmLambert-St Louis
9h 26m
2 stops
YHZ12:39 amHalifax Intl
Aug 14
YHZ2:05 pmHalifax Intl
8h 19m
1 stop
STL8:24 pmLambert-St Louis
$531

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 June 27, 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

Sun 7/26

8:55 am-5:14 pm

1 stop6h 19m

Halifax Intl

Tue 8/4

12:35 pm-6:42 pm

1 stop8h 07m

$378

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 7/26

8:55 am-8:30 pm

2 stops9h 35m

Halifax Intl

Tue 8/4

12:35 pm-6:42 pm

1 stop8h 07m

$381

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 7/26

8:55 am-8:30 pm

2 stops9h 35m

Halifax Intl

Tue 8/4

6:25 am-2:04 pm

2 stops9h 39m

$427

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 9/10

7:00 am-11:55 pm

1 stop14h 55m

Halifax Intl

Mon 9/14

9:00 am-2:00 pm

1 stop7h 00m

$431

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 9/22

7:00 am-11:55 pm

1 stop14h 55m

Halifax Intl

Tue 9/29

7:00 am-9:09 pm

1 stop16h 09m

$433

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 7/17

6:00 am-9:15 pm

1 stop13h 15m

Halifax Intl

Fri 7/24

3:15 pm-8:55 pm

1 stop7h 40m

$434
Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-5:14 pm

1 stop6h 19m

Halifax Intl

Thu 9/24

4:10 pm-8:20 pm

1 stop6h 10m

$435

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 8/2

6:01 am-11:55 pm

1 stop15h 54m

Halifax Intl

Sat 8/8

7:15 am-2:04 pm

2 stops8h 49m

$437

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 9/16

8:55 am-5:14 pm

1 stop6h 19m

Halifax Intl

Thu 9/24

7:15 am-2:00 pm

2 stops8h 45m

$440

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 9/19

8:55 am-5:14 pm

1 stop6h 19m

Halifax Intl

Wed 9/23

9:00 am-2:00 pm

1 stop7h 00m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 60% 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 02m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 6h 02m
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. 6h 02m 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 $322Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
Air CanadaPriceFrom $322Free CancellationRating
7.1
11,269 reviews
Search Air Canada flights
American AirlinesPriceFrom $361Free CancellationRating
7.1
11,778 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
Truro
Enfield
Bridgewater
Lunenburg
Liverpool
Windsor

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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