Find flights
When to book
Airlines
FAQs

Cheap flights from Halifax to St. Louis from C$ 261

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — STL
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Halifax to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Halifax to St. Louis
Explore the most affordable flight options available from Halifax to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Wed 15/46:50 a.m.
YHZ
-
STL
2 stops10h 35m
Air Canada
Sat 18/44:05 p.m.
STL
-
YHZ
1 stop5h 59m
Air Canada
Deal found 10/3C$ 447
Sat 11/46:20 a.m.
YHZ
-
STL
2 stops11h 05m
Air Canada
Tue 14/44:05 p.m.
STL
-
YHZ
1 stop15h 19m
Air Canada
Deal found 6/3C$ 466
Wed 29/47:00 a.m.
YHZ
-
STL
1 stop10h 25m
Air Canada
Wed 6/52:20 p.m.
STL
-
YHZ
1 stop5h 49m
Air Canada
Deal found 7/3C$ 482
Sat 11/49:00 a.m.
YHZ
-
STL
1 stop8h 25m
United Airlines
Tue 14/46:15 a.m.
STL
-
YHZ
1 stop5h 48m
United Airlines
Deal found 8/3C$ 496
Wed 29/410:15 a.m.
YHZ
-
STL
2 stops12h 58m
United Airlines
Wed 6/52:20 p.m.
STL
-
YHZ
1 stop5h 49m
United Airlines
Deal found 7/3C$ 501

Find flight deals from Halifax to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Halifax (YHZ) to St. Louis (STL). 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 March 2026.

Round-trip from

C$ 447

One-way from

C$ 261
Air Canada
  • Air Canada
  • 15/4-18/4
  • 3 total stops
  • 16h 34m total
  • Halifax to St. Louis
Search Deals
WestJet
  • WestJet
  • 8/7
  • 1 total stop
  • 23h 47m total
  • Halifax to St. Louis
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 11 March 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

Wed 15/4

6:50 a.m.-3:25 p.m.

2 stops10h 35m

Lambert-St Louis

Sat 18/4

4:05 p.m.-12:04 a.m.

1 stop5h 59m

C$ 447

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 29/4

6:15 p.m.-10:34 a.m.

2 stops18h 19m

Lambert-St Louis

Wed 6/5

5:35 p.m.-8:10 a.m.

2 stops36h 35m

C$ 448

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 11/4

6:20 a.m.-3:25 p.m.

2 stops11h 05m

Lambert-St Louis

Tue 14/4

4:05 p.m.-9:24 a.m.

1 stop15h 19m

C$ 466
Quickest round-trip

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 11/4

9:00 a.m.-3:25 p.m.

1 stop8h 25m

Lambert-St Louis

Tue 14/4

6:15 a.m.-2:03 p.m.

1 stop5h 48m

C$ 496

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 29/4

10:15 a.m.-9:13 p.m.

2 stops12h 58m

Lambert-St Louis

Wed 6/5

2:20 p.m.-10:09 p.m.

1 stop5h 49m

C$ 501
Cheapest one-way

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 25/4

9:00 a.m.-3:25 p.m.

1 stop8h 25m

C$ 267

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 14/7

8:30 a.m.-8:31 p.m.

2 stops14h 01m

C$ 274

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 8/7

8:30 a.m.-8:31 p.m.

2 stops14h 01m

C$ 274
Quickest one-way

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 14/7

9:00 a.m.-2:02 p.m.

1 stop7h 02m

C$ 280

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 21/4

10:15 a.m.-9:13 p.m.

2 stops12h 58m

C$ 282

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Halifax to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Halifax 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.

Cheapflights Insights

Everything you need to know about your flight from Halifax to St. Louis

What’s the top layover airport for flights from Halifax to St. Louis?

Share of one-stop round-trip flights from Halifax to St. Louis chosen by Cheapflights users in the past 12 months, using the same layover each way.

Newark (EWR) – chosen by Cheapflights users on 57% of one-stop itineraries from Halifax to St. Louis on Cheapflights.

What’s the cheapest layover airport for flights from Halifax to St. Louis?

Average round-trip fare for 1-stop flights from Halifax to St. Louis, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 790.

What’s the fastest layover option from Halifax to St. Louis?

Shortest average travel time for 1-stop one-way flights from Halifax to St. Louis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 6h 56m.

Which airport typically offers the quickest layover for flights from Halifax to St. Louis?

Average layover duration for 1-stop one-way flights from Halifax to St. Louis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 24m.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 11 March 2026.
Read through reviews of airlines operating flights from Halifax to St. Louis, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,414 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,414 reviews
United Airlines
7.4
Good
9,414 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Halifax to St. Louis. 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 Halifax to St. Louis?

    A quick flight from Halifax to St. Louis can take about 10h 35m. Air Canada provides one of the quickest options available for as low as C$ 447. Airlines will cover a distance of 2314 km.

  • What is the cheapest airline to fly from Halifax to St. Louis round-trip?

    According to our current data, United Airlines (C$ 413), offers the cheapest pricing from Halifax to St. Louis.

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

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

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

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

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

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

See more FAQs

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Halifax to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Halifax to Kansas City flights
Charlottetown to St. Louis flights

Top airline flying from Halifax to St. Louis

Discover the top airline that operate flights from Halifax to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 413AverageC$ 776FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Halifax to St. Louis?

Deals for Halifax to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Halifax to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Halifax.

Can Cheapflights find flights from Halifax to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Halifax to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Halifax to St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Halifax today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.