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Cheap flights from St. Louis to Halifax from C$ 270

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 17/10. 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 St. Louis to Halifax

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 a.m. - 2:33 p.m.
STL
-
YHZ
6h 33m
1 stop
American Airlines Logo
2:46 p.m. - 10:29 a.m.
YHZ
-
STL
21h 43m
1 stop
C$ 616American Airlines
Wed, 16 Sep - Thu, 24 Sep
WestJet Logo
1:55 p.m. - 8:10 a.m.
STL
-
YHZ
16h 15m
2 stops
WestJet Logo
8:00 p.m. - 10:55 a.m.
YHZ
-
STL
16h 55m
2 stops
C$ 617WestJet
Wed, 16 Sep - Thu, 24 Sep
Air Canada Logo
8:55 a.m. - 5:14 p.m.
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
7:15 a.m. - 2:00 p.m.
YHZ
-
STL
8h 45m
2 stops
C$ 625Air Canada
Wed, 16 Sep - Thu, 24 Sep
WestJet Logo
1:55 p.m. - 8:10 a.m.
STL
-
YHZ
16h 15m
2 stops
WestJet Logo
8:00 p.m. - 10:55 a.m.
YHZ
-
STL
16h 55m
2 stops
C$ 627WestJet
Wed, 16 Sep - Thu, 24 Sep
United Airlines Logo
5:30 p.m. - 2:03 p.m.
STL
-
YHZ
18h 33m
2 stops
United Airlines Logo
2:50 p.m. - 11:38 p.m.
YHZ
-
STL
10h 48m
1 stop
C$ 629United Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
7:00 a.m. - 11:55 p.m.
STL
-
YHZ
14h 55m
1 stop
Multiple Airlines Logo
12:35 p.m. - 6:42 p.m.
YHZ
-
STL
8h 07m
1 stop
C$ 630Multiple Airlines
Tue, 18 Aug - Mon, 24 Aug
Air Canada Logo
8:55 a.m. - 8:29 p.m.
STL
-
YHZ
9h 34m
2 stops
Air Canada Logo
7:15 a.m. - 2:00 p.m.
YHZ
-
STL
8h 45m
2 stops
C$ 632Air Canada
Tue, 22 Sep - Tue, 29 Sep
Air Canada Logo
8:55 a.m. - 8:29 p.m.
STL
-
YHZ
9h 34m
2 stops
Air Canada Logo
7:15 a.m. - 2:00 p.m.
YHZ
-
STL
8h 45m
2 stops
C$ 633Air Canada
Tue, 22 Sep - Tue, 29 Sep
Air Canada Logo
8:55 a.m. - 5:14 p.m.
STL
-
YHZ
6h 19m
1 stop
Air Canada Logo
12:35 p.m. - 6:42 p.m.
YHZ
-
STL
8h 07m
1 stop
C$ 635Air Canada
Tue, 18 Aug - Mon, 24 Aug
Multiple Airlines Logo
6:01 a.m. - 11:55 p.m.
STL
-
YHZ
15h 54m
1 stop
Multiple Airlines Logo
9:00 a.m. - 2:04 p.m.
YHZ
-
STL
7h 04m
1 stop
C$ 637Multiple Airlines
Fri, 7 Aug - Sat, 15 Aug

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American Airlines flights from St. Louis to Halifax

Our best American Airlines deals on St. Louis to Halifax flight tickets
American Airlines
16 Sep
STL6:00 a.m.Lambert-St Louis
6h 33m
1 stop
YHZ2:33 p.m.Halifax Intl
24 Sep
YHZ2:46 p.m.Halifax Intl
21h 43m
1 stop
STL10:29 a.m.Lambert-St Louis
C$ 616
American Airlines
24 Jul
STL7:51 p.m.Lambert-St Louis
13h 00m
1 stop
YHZ10:51 a.m.Halifax Intl
31 Jul
YHZ2:28 p.m.Halifax Intl
11h 04m
1 stop
STL11:32 p.m.Lambert-St Louis
C$ 691
American Airlines
11 Aug
STL6:00 a.m.Lambert-St Louis
5h 36m
1 stop
YHZ1:36 p.m.Halifax Intl
11 Aug
YHZ4:06 p.m.Halifax Intl
20h 08m
1 stop
STL10:14 a.m.Lambert-St Louis
C$ 859

United Airlines flights from St. Louis to Halifax

Our best United Airlines deals on St. Louis to Halifax flight tickets
United Airlines
11 Sep
STL5:30 p.m.Lambert-St Louis
18h 33m
2 stops
YHZ2:03 p.m.Halifax Intl
18 Sep
YHZ2:50 p.m.Halifax Intl
10h 48m
1 stop
STL11:38 p.m.Lambert-St Louis
C$ 629
United Airlines
17 Jul
STL6:01 a.m.Lambert-St Louis
15h 54m
1 stop
YHZ11:55 p.m.Halifax Intl
24 Jul
YHZ2:50 p.m.Halifax Intl
10h 54m
1 stop
STL11:44 p.m.Lambert-St Louis
C$ 640
United Airlines
6 Aug
STL6:01 a.m.Lambert-St Louis
15h 54m
1 stop
YHZ11:55 p.m.Halifax Intl
12 Aug
YHZ7:00 a.m.Halifax Intl
10h 38m
2 stops
STL3:38 p.m.Lambert-St Louis
C$ 654

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 96,600 searches. Data last updated 3 July 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

Wed 16/9

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

1 stop6h 33m

Halifax Intl

Thu 24/9

2:46 p.m.-10:29 a.m.

1 stop21h 43m

C$ 616

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 16/9

1:55 p.m.-8:10 a.m.

2 stops16h 15m

Halifax Intl

Thu 24/9

8:00 p.m.-10:55 a.m.

2 stops16h 55m

C$ 617

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 16/9

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

1 stop6h 19m

Halifax Intl

Thu 24/9

7:15 a.m.-2:00 p.m.

2 stops8h 45m

C$ 625

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 16/9

1:55 p.m.-8:10 a.m.

2 stops16h 15m

Halifax Intl

Thu 24/9

8:00 p.m.-10:55 a.m.

2 stops16h 55m

C$ 627

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 11/9

5:30 p.m.-2:03 p.m.

2 stops18h 33m

Halifax Intl

Fri 18/9

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

1 stop10h 48m

C$ 629

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 18/8

7:00 a.m.-11:55 p.m.

1 stop14h 55m

Halifax Intl

Mon 24/8

12:35 p.m.-6:42 p.m.

1 stop8h 07m

C$ 630

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 22/9

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

2 stops9h 34m

Halifax Intl

Tue 29/9

7:15 a.m.-2:00 p.m.

2 stops8h 45m

C$ 632

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 22/9

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

2 stops9h 34m

Halifax Intl

Tue 29/9

7:15 a.m.-2:00 p.m.

2 stops8h 45m

C$ 633
Quickest round-trip

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 18/8

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

1 stop6h 19m

Halifax Intl

Mon 24/8

12:35 p.m.-6:42 p.m.

1 stop8h 07m

C$ 635

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Fri 7/8

6:01 a.m.-11:55 p.m.

1 stop15h 54m

Halifax Intl

Sat 15/8

9:00 a.m.-2:04 p.m.

1 stop7h 04m

C$ 637

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

What is the cheapest airline that flies from Lambert-St Louis to Halifax Intl?

United Airlines, WestJet, and American Airlines are the most popular carriers operating from Lambert-St Louis to Halifax Intl

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 19m

Direct flights

None
The fastest flight from St. Louis to Halifax takes 6h 19m
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?

    The distance between Lambert-St Louis and Halifax Intl is about 2298.3 km. Typically, this will take 6h 19m by plane in normal conditions.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents required for your trip to Halifax Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Halifax Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Halifax?

Book flights to Halifax if you plan to visit one of these locations
Dartmouth
Truro
Bridgewater
Lunenburg
Mahone Bay
Enfield
Liverpool
Windsor
Chester
Fall River

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Halifax. momondo saves you time and could save you money on your trip.

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

Flights from St. Louis to Halifax with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Halifax from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Halifax right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Halifax now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Halifax and let you know when they change.

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