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Cheap flights from Halifax to St. Louis from C$ 233

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 17/6. 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

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Find the cheapest flights from Halifax to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:15 p.m. - 9:17 p.m.
YHZ
-
STL
8h 02m
1 stop
American Airlines Logo
6:00 a.m. - 2:33 p.m.
STL
-
YHZ
6h 33m
1 stop
C$ 413American Airlines
Mon, 21 Sep - Wed, 30 Sep
Delta Logo
6:30 a.m. - 2:33 p.m.
YHZ
-
STL
10h 03m
2 stops
Delta Logo
6:00 a.m. - 11:13 p.m.
STL
-
YHZ
15h 13m
2 stops
C$ 418Delta
Tue, 25 Aug - Sat, 29 Aug
American Airlines Logo
3:15 p.m. - 9:17 p.m.
YHZ
-
STL
8h 02m
1 stop
American Airlines Logo
6:30 a.m. - 2:06 p.m.
STL
-
YHZ
5h 36m
1 stop
C$ 421American Airlines
Mon, 21 Sep - Wed, 30 Sep
Air Canada Logo
12:25 p.m. - 6:42 p.m.
YHZ
-
STL
8h 17m
1 stop
Air Canada Logo
8:55 a.m. - 8:30 p.m.
STL
-
YHZ
9h 35m
2 stops
C$ 446Air Canada
Tue, 25 Aug - Sat, 29 Aug
Air Canada Logo
7:15 a.m. - 2:02 p.m.
YHZ
-
STL
8h 47m
2 stops
Air Canada Logo
8:55 a.m. - 8:30 p.m.
STL
-
YHZ
9h 35m
2 stops
C$ 452Air Canada
Tue, 25 Aug - Sat, 29 Aug
Air Canada Logo
7:15 a.m. - 2:02 p.m.
YHZ
-
STL
8h 47m
2 stops
Air Canada Logo
8:55 a.m. - 8:30 p.m.
STL
-
YHZ
9h 35m
2 stops
C$ 453Air Canada
Tue, 25 Aug - Sat, 29 Aug
WestJet Logo
6:30 a.m. - 3:33 p.m.
YHZ
-
STL
11h 03m
1 stop
WestJet Logo
6:30 a.m. - 9:45 p.m.
STL
-
YHZ
13h 15m
1 stop
C$ 463WestJet
Sat, 22 Aug - Sun, 30 Aug
WestJet Logo
8:30 a.m. - 5:14 p.m.
YHZ
-
STL
10h 44m
2 stops
WestJet Logo
2:10 p.m. - 9:45 p.m.
STL
-
YHZ
5h 35m
1 stop
C$ 464WestJet
Sat, 22 Aug - Sun, 30 Aug
Air Canada Logo
5:45 a.m. - 2:00 p.m.
YHZ
-
STL
10h 15m
2 stops
Air Canada Logo
8:55 a.m. - 1:54 a.m.
STL
-
YHZ
14h 59m
1 stop
C$ 469Air Canada
Mon, 21 Sep - Wed, 30 Sep
American Airlines Logo
3:15 p.m. - 9:17 p.m.
YHZ
-
STL
8h 02m
1 stop
American Airlines Logo
6:00 a.m. - 2:55 p.m.
STL
-
YHZ
6h 55m
1 stop
C$ 482American Airlines
Mon, 21 Sep - Wed, 30 Sep

American Airlines flights from Halifax to St. Louis

Our best American Airlines deals on Halifax to St. Louis flight tickets
American Airlines
21 Sep
YHZ3:15 p.m.Halifax Intl
8h 02m
1 stop
STL9:17 p.m.Lambert-St Louis
30 Sep
STL6:00 a.m.Lambert-St Louis
6h 33m
1 stop
YHZ2:33 p.m.Halifax Intl
C$ 413
American Airlines
21 Sep
YHZ3:15 p.m.Halifax Intl
8h 02m
1 stop
STL9:17 p.m.Lambert-St Louis
30 Sep
STL6:30 a.m.Lambert-St Louis
5h 36m
1 stop
YHZ2:06 p.m.Halifax Intl
C$ 421
American Airlines
21 Sep
YHZ3:15 p.m.Halifax Intl
8h 02m
1 stop
STL9:17 p.m.Lambert-St Louis
30 Sep
STL6:00 a.m.Lambert-St Louis
6h 55m
1 stop
YHZ2:55 p.m.Halifax Intl
C$ 482

WestJet flights from Halifax to St. Louis

Our best WestJet deals on Halifax to St. Louis flight tickets
WestJet
22 Aug
YHZ6:30 a.m.Halifax Intl
11h 03m
1 stop
STL3:33 p.m.Lambert-St Louis
30 Aug
STL6:30 a.m.Lambert-St Louis
13h 15m
1 stop
YHZ9:45 p.m.Halifax Intl
C$ 463
WestJet
22 Aug
YHZ8:30 a.m.Halifax Intl
10h 44m
2 stops
STL5:14 p.m.Lambert-St Louis
30 Aug
STL2:10 p.m.Lambert-St Louis
5h 35m
1 stop
YHZ9:45 p.m.Halifax Intl
C$ 464
WestJet
21 Sep
YHZ6:15 p.m.Halifax Intl
18h 40m
2 stops
STL10:55 a.m.Lambert-St Louis
30 Sep
STL6:40 a.m.Lambert-St Louis
12h 45m
2 stops
YHZ9:25 p.m.Halifax Intl
C$ 483

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 27 May 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

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

3:15 p.m.-9:17 p.m.

1 stop8h 02m

Lambert-St Louis

Wed 30/9

6:00 a.m.-2:33 p.m.

1 stop6h 33m

C$ 413

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 25/8

6:30 a.m.-2:33 p.m.

2 stops10h 03m

Lambert-St Louis

Sat 29/8

6:00 a.m.-11:13 p.m.

2 stops15h 13m

C$ 418
Quickest round-trip

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

3:15 p.m.-9:17 p.m.

1 stop8h 02m

Lambert-St Louis

Wed 30/9

6:30 a.m.-2:06 p.m.

1 stop5h 36m

C$ 421

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 25/8

12:25 p.m.-6:42 p.m.

1 stop8h 17m

Lambert-St Louis

Sat 29/8

8:55 a.m.-8:30 p.m.

2 stops9h 35m

C$ 446

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 25/8

7:15 a.m.-2:02 p.m.

2 stops8h 47m

Lambert-St Louis

Sat 29/8

8:55 a.m.-8:30 p.m.

2 stops9h 35m

C$ 452

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 25/8

7:15 a.m.-2:02 p.m.

2 stops8h 47m

Lambert-St Louis

Sat 29/8

8:55 a.m.-8:30 p.m.

2 stops9h 35m

C$ 453

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 22/8

6:30 a.m.-3:33 p.m.

1 stop11h 03m

Lambert-St Louis

Sun 30/8

6:30 a.m.-9:45 p.m.

1 stop13h 15m

C$ 463

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 22/8

8:30 a.m.-5:14 p.m.

2 stops10h 44m

Lambert-St Louis

Sun 30/8

2:10 p.m.-9:45 p.m.

1 stop5h 35m

C$ 464

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

5:45 a.m.-2:00 p.m.

2 stops10h 15m

Lambert-St Louis

Wed 30/9

8:55 a.m.-1:54 a.m.

1 stop14h 59m

C$ 469

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

3:15 p.m.-9:17 p.m.

1 stop8h 02m

Lambert-St Louis

Wed 30/9

6:00 a.m.-2:55 p.m.

1 stop6h 55m

C$ 482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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, Delta, and WestJet 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

10h 03m

Direct flights

None
The fastest flight from Halifax to St. Louis takes 10h 03m
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 10h 03m.

  • 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$ 454Free CancellationRating
7.2
3,347 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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