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Cheap flights from Halifax to St. Louis from C$ 255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Halifax to St. Louis departing on 24/8. 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

Find the cheapest flights from Halifax to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:10 p.m. - 8:20 p.m.
YHZ
-
STL
6h 10m
1 stop
Air Canada Logo
8:55 a.m. - 5:14 p.m.
STL
-
YHZ
6h 19m
1 stop
C$ 443Air Canada
Mon, 21 Sep - Wed, 30 Sep
Air Canada Logo
10:25 a.m. - 3:26 p.m.
YHZ
-
STL
7h 01m
1 stop
Air Canada Logo
4:05 p.m. - 12:48 a.m.
STL
-
YHZ
6h 43m
1 stop
C$ 444Air Canada
Sat, 28 Nov - Tue, 15 Dec
United Airlines Logo
2:50 p.m. - 11:38 p.m.
YHZ
-
STL
10h 48m
1 stop
United Airlines Logo
8:20 a.m. - 11:55 p.m.
STL
-
YHZ
13h 35m
1 stop
C$ 447United Airlines
Wed, 16 Sep - Sun, 20 Sep
Air Canada Logo
7:15 a.m. - 3:26 p.m.
YHZ
-
STL
10h 11m
2 stops
Air Canada Logo
4:05 p.m. - 12:48 a.m.
STL
-
YHZ
6h 43m
1 stop
C$ 453Air Canada
Sat, 28 Nov - Tue, 15 Dec
Air Canada Logo
6:05 a.m. - 3:26 p.m.
YHZ
-
STL
11h 21m
2 stops
Air Canada Logo
4:05 p.m. - 12:48 a.m.
STL
-
YHZ
6h 43m
1 stop
C$ 457Air Canada
Wed, 2 Dec - Fri, 18 Dec
Air Canada Logo
6:00 a.m. - 8:20 p.m.
YHZ
-
STL
16h 20m
1 stop
Air Canada Logo
8:55 a.m. - 5:14 p.m.
STL
-
YHZ
6h 19m
1 stop
C$ 477Air Canada
Mon, 21 Sep - Wed, 30 Sep
Air Canada Logo
7:10 a.m. - 3:26 p.m.
YHZ
-
STL
10h 16m
1 stop
Air Canada Logo
4:05 p.m. - 12:48 a.m.
STL
-
YHZ
6h 43m
1 stop
C$ 478Air Canada
Fri, 4 Dec - Tue, 15 Dec
Air Canada Logo
6:00 a.m. - 8:20 p.m.
YHZ
-
STL
16h 20m
1 stop
Air Canada Logo
8:55 a.m. - 8:29 p.m.
STL
-
YHZ
9h 34m
2 stops
C$ 484Air Canada
Mon, 21 Sep - Wed, 30 Sep
Air Canada Logo
6:00 a.m. - 8:20 p.m.
YHZ
-
STL
16h 20m
1 stop
Air Canada Logo
8:55 a.m. - 8:29 p.m.
STL
-
YHZ
9h 34m
2 stops
C$ 485Air Canada
Mon, 21 Sep - Wed, 30 Sep
WestJet Logo
3:30 p.m. - 1:06 p.m.
YHZ
-
STL
23h 36m
1 stop
WestJet Logo
10:29 a.m. - 8:10 a.m.
STL
-
YHZ
19h 41m
2 stops
C$ 488WestJet
Mon, 21 Sep - Wed, 30 Sep

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Air Canada flights from Halifax to St. Louis

Our best Air Canada deals on Halifax to St. Louis flight tickets
Air Canada
21 Sep
YHZ4:10 p.m.Halifax Intl
6h 10m
1 stop
STL8:20 p.m.Lambert-St Louis
30 Sep
STL8:55 a.m.Lambert-St Louis
6h 19m
1 stop
YHZ5:14 p.m.Halifax Intl
C$ 443
Air Canada
28 Nov
YHZ10:25 a.m.Halifax Intl
7h 01m
1 stop
STL3:26 p.m.Lambert-St Louis
15 Dec
STL4:05 p.m.Lambert-St Louis
6h 43m
1 stop
YHZ12:48 a.m.Halifax Intl
C$ 444
Air Canada
28 Nov
YHZ7:15 a.m.Halifax Intl
10h 11m
2 stops
STL3:26 p.m.Lambert-St Louis
15 Dec
STL4:05 p.m.Lambert-St Louis
6h 43m
1 stop
YHZ12:48 a.m.Halifax Intl
C$ 453

WestJet flights from Halifax to St. Louis

Our best WestJet deals on Halifax to St. Louis flight tickets
WestJet
21 Sep
YHZ3:30 p.m.Halifax Intl
23h 36m
1 stop
STL1:06 p.m.Lambert-St Louis
30 Sep
STL10:29 a.m.Lambert-St Louis
19h 41m
2 stops
YHZ8:10 a.m.Halifax Intl
C$ 488
WestJet
21 Sep
YHZ3:30 p.m.Halifax Intl
23h 36m
1 stop
STL1:06 p.m.Lambert-St Louis
30 Sep
STL10:29 a.m.Lambert-St Louis
19h 41m
2 stops
YHZ8:10 a.m.Halifax Intl
C$ 498
WestJet
11 Aug
YHZ3:30 p.m.Halifax Intl
23h 44m
1 stop
STL1:14 p.m.Lambert-St Louis
18 Aug
STL6:00 a.m.Lambert-St Louis
11h 25m
2 stops
YHZ7:25 p.m.Halifax Intl
C$ 499

momondo Fare Finder

 
Customize your flight search to find flights from Halifax to St. Louis 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 96,600 searches. Data last updated 13 July 2026.
Use the filters below to find and compare flights from Halifax to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

4:10 p.m.-8:20 p.m.

1 stop6h 10m

Lambert-St Louis

Wed 30/9

8:55 a.m.-5:14 p.m.

1 stop6h 19m

C$ 443

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 28/11

10:25 a.m.-3:26 p.m.

1 stop7h 01m

Lambert-St Louis

Tue 15/12

4:05 p.m.-12:48 a.m.

1 stop6h 43m

C$ 444

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 16/9

2:50 p.m.-11:38 p.m.

1 stop10h 48m

Lambert-St Louis

Sun 20/9

8:20 a.m.-11:55 p.m.

1 stop13h 35m

C$ 447

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 28/11

7:15 a.m.-3:26 p.m.

2 stops10h 11m

Lambert-St Louis

Tue 15/12

4:05 p.m.-12:48 a.m.

1 stop6h 43m

C$ 453

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 2/12

6:05 a.m.-3:26 p.m.

2 stops11h 21m

Lambert-St Louis

Fri 18/12

4:05 p.m.-12:48 a.m.

1 stop6h 43m

C$ 457

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

6:00 a.m.-8:20 p.m.

1 stop16h 20m

Lambert-St Louis

Wed 30/9

8:55 a.m.-5:14 p.m.

1 stop6h 19m

C$ 477

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 4/12

7:10 a.m.-3:26 p.m.

1 stop10h 16m

Lambert-St Louis

Tue 15/12

4:05 p.m.-12:48 a.m.

1 stop6h 43m

C$ 478

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

6:00 a.m.-8:20 p.m.

1 stop16h 20m

Lambert-St Louis

Wed 30/9

8:55 a.m.-8:29 p.m.

2 stops9h 34m

C$ 484

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

6:00 a.m.-8:20 p.m.

1 stop16h 20m

Lambert-St Louis

Wed 30/9

8:55 a.m.-8:29 p.m.

2 stops9h 34m

C$ 485

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

3:30 p.m.-1:06 p.m.

1 stop23h 36m

Lambert-St Louis

Wed 30/9

10:29 a.m.-8:10 a.m.

2 stops19h 41m

C$ 488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Halifax to St. Louis

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 airline that flies from Halifax Intl to Lambert-St Louis?

Air Canada and American Airlines are the most popular carriers operating from Halifax Intl to Lambert-St Louis

When to book flights from Halifax to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Halifax to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Halifax to St. Louis (YHZ to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Halifax to St. Louis

Fastest flight time

7h 05m

Direct flights

None
The fastest flight from Halifax to St. Louis takes 7h 05m
There are no direct flights from Halifax to St. Louis. There are no popular flight routes from Halifax to St. Louis.
Search flight deals

Frequently asked questions about flying from Halifax to St. Louis

  • How far is Halifax Intl to Lambert-St Louis by plane?

    The distance between Halifax Intl and Lambert-St Louis is about 2298.3 km. A reasonable flight in good conditions will take 7h 05m.

  • When did momondo last update prices for flights from Halifax Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Halifax Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Halifax Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Halifax Intl Airport to Lambert-St Louis 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 Halifax Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis 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 Halifax to St. Louis?

Best airlines flying from Halifax to St. Louis

Compare and see reviews for airlines that fly from Halifax to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 466Free CancellationRating
7.2
3,409 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Halifax to St. Louis?

Finding the right flight to St. Louis from Halifax is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Halifax to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Halifax to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Halifax to St. Louis?

Once you have performed a search for Halifax to St. Louis 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 Halifax to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Halifax 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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