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Cheap flights from Halifax to St. Louis from C$ 291

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — STL
12 Jul — 19 Jul1
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 12 June 2026.

Mon 21/93:15 p.m.
YHZ
-
STL
1 stop8h 02m
American Airlines
Wed 30/94:37 p.m.
STL
-
YHZ
1 stop19h 56m
American Airlines
Deal found 8/6C$ 484
Thu 9/72:50 p.m.
YHZ
-
STL
1 stop10h 54m
United Airlines
Sun 12/76:01 a.m.
STL
-
YHZ
1 stop15h 54m
United Airlines
Deal found 10/6C$ 492
Fri 25/93:15 p.m.
YHZ
-
STL
1 stop8h 02m
American Airlines
Mon 28/96:00 a.m.
STL
-
YHZ
1 stop6h 33m
American Airlines
Deal found 7/6C$ 496
Tue 25/86:30 a.m.
YHZ
-
STL
1 stop7h 17m
Delta
Wed 26/812:30 p.m.
STL
-
YHZ
1 stop8h 48m
Delta
Deal found 7/6C$ 498
Tue 25/812:25 p.m.
YHZ
-
STL
1 stop8h 17m
Air Canada
Wed 26/88:55 a.m.
STL
-
YHZ
2 stops9h 35m
Air Canada
Deal found 9/6C$ 500
Thu 9/74:50 p.m.
YHZ
-
STL
1 stop6h 36m
Multiple Airlines
Mon 13/72:40 p.m.
STL
-
YHZ
1 stop7h 59m
Multiple Airlines
Deal found 9/6C$ 503
Fri 25/98:00 p.m.
YHZ
-
STL
2 stops15h 34m
WestJet
Mon 28/96:40 a.m.
STL
-
YHZ
1 stop13h 00m
WestJet
Deal found 7/6C$ 517
Mon 21/96:15 p.m.
YHZ
-
STL
2 stops16h 40m
WestJet
Wed 30/96:40 a.m.
STL
-
YHZ
1 stop13h 00m
WestJet
Deal found 10/6C$ 524

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 12 June 2026.

Round-trip from

C$ 484

One-way from

C$ 291
American Airlines
  • American Airlines
  • 21/9-30/9
  • 2 total stops
  • 27h 58m total
  • Halifax to St. Louis
Search Deals
American Airlines
  • American Airlines
  • 3/7
  • 1 total stop
  • 7h 40m 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 12 June 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

Tue 25/8

6:30 a.m.-11:47 a.m.

1 stop7h 17m

Lambert-St Louis

Wed 26/8

12:30 p.m.-11:18 p.m.

1 stop8h 48m

C$ 498

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 21/9

3:15 p.m.-8:46 a.m.

1 stop19h 31m

Lambert-St Louis

Wed 30/9

4:37 p.m.-2:33 p.m.

1 stop19h 56m

C$ 499
Quickest round-trip

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 25/8

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

1 stop8h 07m

Lambert-St Louis

Wed 26/8

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

1 stop6h 19m

C$ 500

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 9/7

4:50 p.m.-9:26 p.m.

1 stop6h 36m

Lambert-St Louis

Mon 13/7

2:40 p.m.-12:39 a.m.

1 stop7h 59m

C$ 503
Cheapest one-way

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 6/10

8:00 p.m.-10:48 a.m.

2 stops16h 48m

C$ 312
Quickest one-way

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 6/10

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

1 stop7h 00m

C$ 317

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 3/7

1:30 p.m.-4:48 p.m.

2 stops29h 18m

C$ 327

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 3/7

8:00 a.m.-6:36 p.m.

3 stops12h 36m

C$ 404

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 6/10

8:00 a.m.-4:01 p.m.

3 stops34h 01m

C$ 459

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Sorted by cheapest first

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 50% 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.

Detroit (DTW) is the most affordable 1-stop option, with an average round-trip price of C$ 583.

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 Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 7h 07m.

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 31m.

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 12 June 2026.
Read through reviews of airlines operating flights from Halifax to St. Louis, such as WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,357 reviews
Check prices

Boarding

7.4

Entertainment

6.1

Crew

7.9

Food

6.2

Comfort

7.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..
WestJet
7.2
Good
3,357 reviews
WestJet
7.2
Good
3,357 reviews
Check prices

Boarding

7.4

Entertainment

6.1

Crew

7.9

Food

6.2

Comfort

7.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..

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 7h 17m. Delta provides one of the quickest options available for as low as C$ 498. 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, WestJet (C$ 460), 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.
Charlottetown to St. Louis flights
Halifax to Kansas City 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 12 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 460AverageC$ 556FlexibilityNo cancel feeOn-time60%
Search WestJet 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.

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