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Cheap flights from St. Louis to Halifax from C$ 170

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YHZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from St. Louis to Halifax

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Halifax (YHZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 428

One-way from

C$ 170

Popular in

August

Cheapest in

January

Average price

C$ 768
American Airlines
  • American Airlines
  • 25/10-1/11
  • 4 total stops
  • 53h 10m total
  • St. Louis to Halifax
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American Airlines
  • American Airlines
  • 15/10
  • 2 total stops
  • 21h 15m total
  • St. Louis to Halifax
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Highest demand for flights based on searches. 21% potential increase in price (C$ 281 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 49 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Halifax

Cheapest flights from St. Louis to Halifax
Explore the most affordable flight options available from St. Louis to Halifax. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 25/109:58 a.m.STL - YHZ
2 stops25h 32mAmerican Airlines
Sat 1/112:15 p.m.YHZ - STL
2 stops27h 38mAmerican Airlines
Deal found 10/9C$ 428
Thu 23/102:15 p.m.STL - YHZ
2 stops21h 15mAmerican Airlines
Thu 30/102:15 p.m.YHZ - STL
2 stops25h 29mAmerican Airlines
Deal found 10/9C$ 450
Sun 26/106:43 p.m.STL - YHZ
2 stops19h 31mUnited Airlines
Sun 2/115:05 a.m.YHZ - STL
2 stops12h 41mUnited Airlines
Deal found 11/9C$ 647
Sun 26/1010:57 a.m.STL - YHZ
2 stops32h 58mMultiple Airlines
Sun 2/119:00 a.m.YHZ - STL
1 stop26h 40mMultiple Airlines
Deal found 11/9C$ 661
Tue 7/105:28 p.m.STL - YHZ
2 stops20h 21mMultiple Airlines
Tue 14/107:15 a.m.YHZ - STL
2 stops10h 03mMultiple Airlines
Deal found 9/9C$ 764
Thu 16/105:00 a.m.STL - YHZ
2 stops12h 39mUnited Airlines
Tue 21/102:50 p.m.YHZ - STL
2 stops21h 59mUnited Airlines
Deal found 10/9C$ 827
Sat 25/107:15 p.m.STL - YHZ
3 stops26h 39mMultiple Airlines
Sat 1/116:30 a.m.YHZ - STL
2 stops13h 40mMultiple Airlines
Deal found 10/9C$ 831
Sun 26/104:05 p.m.STL - YHZ
1 stop6h 01mAir Canada
Sun 2/119:00 a.m.YHZ - STL
1 stop8h 29mAir Canada
Deal found 11/9C$ 841

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from St. Louis to Halifax that are best for you.

Fly from

St. Louis

Fly to

Halifax

Route

Depart

Return

Price

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 25/10

6:00 a.m.-1:30 p.m.

1 stop29h 30m

Halifax Intl

Sat 1/11

2:15 p.m.-3:53 p.m.

2 stops27h 38m

C$ 549

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 23/10

10:36 a.m.-1:30 p.m.

1 stop24h 54m

Halifax Intl

Thu 30/10

2:15 p.m.-1:44 p.m.

2 stops25h 29m

C$ 601

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 26/10

6:43 p.m.-4:14 p.m.

2 stops19h 31m

Halifax Intl

Sun 2/11

5:05 a.m.-3:46 p.m.

2 stops12h 41m

C$ 647

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 26/10

10:57 a.m.-9:55 p.m.

2 stops32h 58m

Halifax Intl

Sun 2/11

9:00 a.m.-9:40 a.m.

1 stop26h 40m

C$ 661

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 7/10

5:28 p.m.-3:49 p.m.

2 stops20h 21m

Halifax Intl

Tue 14/10

7:15 a.m.-3:18 p.m.

2 stops10h 03m

C$ 764

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Thu 16/10

5:00 a.m.-7:39 p.m.

2 stops12h 39m

Halifax Intl

Tue 21/10

2:50 p.m.-10:49 a.m.

2 stops21h 59m

C$ 827

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 25/10

7:15 p.m.-11:54 p.m.

3 stops26h 39m

Halifax Intl

Sat 1/11

6:30 a.m.-6:10 p.m.

2 stops13h 40m

C$ 831

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sun 26/10

4:05 p.m.-12:06 a.m.

1 stop6h 01m

Halifax Intl

Sun 2/11

9:00 a.m.-3:29 p.m.

1 stop8h 29m

C$ 841

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 7/10

1:30 p.m.-10:38 p.m.

1 stop7h 08m

Halifax Intl

Tue 14/10

1:35 p.m.-7:43 p.m.

1 stop8h 08m

C$ 845

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Wed 15/10

2:15 p.m.-1:30 p.m.

2 stops21h 15m

C$ 170

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 12 results
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Best time to book a flight from St. Louis to Halifax

Have a flexible travel schedule? Discover the best time to fly to Halifax from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Halifax. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Halifax?

    A quick flight from St. Louis to Halifax can take about 19h 31m. American Airlines provides one of the quickest options available for as low as C$ 647. There are 2314 km between St. Louis and Halifax. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from St. Louis to Halifax that include hotel bookings?

    Yes. In addition to deals on St. Louis to Halifax flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Halifax?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Halifax.

  • Can I find deals for business class flights from St. Louis to Halifax?

    Yes. Cheapflights offers flight deals from St. Louis to Halifax by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Halifax?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to Halifax (average of C$ 183). Flying from St. Louis to Halifax in December is currently the most expensive (average of C$ 306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Halifax?

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

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Alternative routes for St. Louis to Halifax

See prices for flight routes from nearby airports that may be better suited for you.
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