Cheap flights from Halifax to St. Louis from C$ 223

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — STL
29 May — 5 Jun1
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 29 April 2026.

Sat 30/56:00 a.m.
YHZ
-
STL
1 stop8h 06m
Air Canada
Wed 3/62:15 p.m.
STL
-
YHZ
2 stops7h 56m
Air Canada
Deal found 28/4C$ 425
Tue 2/62:27 p.m.
YHZ
-
STL
1 stop11h 32m
American Airlines
Thu 18/66:00 a.m.
STL
-
YHZ
1 stop6h 21m
American Airlines
Deal found 25/4C$ 443
Tue 2/68:00 p.m.
YHZ
-
STL
2 stops15h 44m
WestJet
Thu 18/66:10 p.m.
STL
-
YHZ
1 stop25h 30m
WestJet
Deal found 25/4C$ 448
Tue 18/812:25 p.m.
YHZ
-
STL
1 stop8h 17m
Air Canada
Wed 19/88:55 a.m.
STL
-
YHZ
1 stop9h 09m
Air Canada
Deal found 24/4C$ 452
Wed 3/63:30 p.m.
YHZ
-
STL
1 stop7h 39m
WestJet
Mon 8/610:20 a.m.
STL
-
YHZ
1 stop9h 20m
WestJet
Deal found 28/4C$ 456

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 29 April 2026.

Round-trip from

C$ 425

One-way from

C$ 223
Air Canada
  • Air Canada
  • 30/5-3/6
  • 3 total stops
  • 16h 02m total
  • Halifax to St. Louis
Air Canada
  • Air Canada
  • 18/8
  • 1 total stop
  • 8h 17m total
  • Halifax to St. Louis

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 29 April 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

Sat 30/5

6:00 a.m.-12:06 p.m.

1 stop8h 06m

Lambert-St Louis

Wed 3/6

2:15 p.m.-12:11 a.m.

2 stops7h 56m

C$ 425

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 2/6

8:00 p.m.-9:44 a.m.

2 stops15h 44m

Lambert-St Louis

Thu 18/6

6:10 p.m.-9:40 p.m.

1 stop25h 30m

C$ 448

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 18/8

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

1 stop8h 17m

Lambert-St Louis

Wed 19/8

8:55 a.m.-8:04 p.m.

1 stop9h 09m

C$ 452

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 30/5

10:20 a.m.-11:35 p.m.

1 stop15h 15m

Lambert-St Louis

Wed 3/6

6:00 a.m.-4:03 p.m.

1 stop8h 03m

C$ 469

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 3/6

7:00 a.m.-9:16 p.m.

2 stops16h 16m

Lambert-St Louis

Mon 8/6

6:00 a.m.-1:54 a.m.

2 stops17h 54m

C$ 481
Cheapest one-way
Quickest one-way

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 12/6

6:00 a.m.-12:06 p.m.

1 stop8h 06m

C$ 239

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 17/7

7:05 a.m.-2:02 p.m.

1 stop8h 57m

C$ 264

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 18/8

8:30 a.m.-6:02 p.m.

2 stops11h 32m

C$ 273

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 12/6

6:20 a.m.-12:09 a.m.

2 stops19h 49m

C$ 276

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 9/10

8:00 p.m.-6:01 p.m.

2 stops24h 01m

C$ 281

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 16 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$ 795.

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 29 April 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.

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 8h 06m. Air Canada provides one of the quickest options available for as low as C$ 425. Airlines will cover a distance of 2314 km. This flight may include one or multiple stops.

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

    According to our current data, United Airlines (C$ 416), 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

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Alternative routes for Halifax to St. Louis

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

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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 416AverageC$ 780FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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.

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