Find flights
When to book
Airlines
FAQs

Cheap flights from Halifax to St. Louis from C$ 487

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — STL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Halifax to St. Louis

Enter your travel dates to find the best prices.

Best flights from Halifax to St. Louis
Discover carefully curated flight deals from Halifax to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Mon 26/13:15 p.m.YHZ - STL
2 stops9h 43mUnited Airlines
Wed 28/17:00 a.m.STL - YHZ
1 stop5h 31mUnited Airlines
Deal found 9/12C$ 487
Mon 26/16:00 a.m.YHZ - STL
2 stops16h 43mWestJet
Wed 28/11:18 p.m.STL - YHZ
2 stops10h 23mWestJet
Deal found 11/12C$ 503
Thu 1/17:00 a.m.YHZ - STL
2 stops9h 26mUnited Airlines
Mon 5/17:00 a.m.STL - YHZ
1 stop5h 31mUnited Airlines
Deal found 10/12C$ 659

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 December 2025.

Round-trip from

C$ 487

Popular in

September

Cheapest in

November
United Airlines
  • United Airlines
  • 26/1-28/1
  • 3 total stops
  • 15h 14m total
  • Halifax to St. Louis
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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 December 2025.
Use the filters below to find and compare flights from Halifax to St. Louis that are best for you.

Fly from

Halifax

Fly to

St. Louis

Route

Depart

Return

Price

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 26/1

3:15 p.m.-10:58 p.m.

2 stops9h 43m

Lambert-St Louis

Wed 28/1

7:00 a.m.-2:31 p.m.

1 stop5h 31m

C$ 487

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 26/1

6:00 a.m.-8:43 p.m.

2 stops16h 43m

Lambert-St Louis

Wed 28/1

1:18 p.m.-1:41 a.m.

2 stops10h 23m

C$ 503

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 1/1

7:00 a.m.-2:26 p.m.

2 stops9h 26m

Lambert-St Louis

Mon 5/1

7:00 a.m.-2:31 p.m.

1 stop5h 31m

C$ 659

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 675.

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: 7h 13m.

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 34m.

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 December 2025.
Read through reviews of airlines operating flights from Halifax to St. Louis, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Air Canada
7.1
Good
10,516 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 9h 43m. United Airlines provides one of the quickest options available for as low as C$ 487. Airlines will cover a distance of 2314 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Halifax to St. Louis round-trip?

    According to our current data, Air Canada (C$ 398), and United Airlines (C$ 420) offers the cheapest pricing from Halifax to St. Louis. Air Canada is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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
St. Peters

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 2 airlines flying from Halifax to St. Louis

Discover the top 2 airlines 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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 398AverageC$ 605FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 420AverageC$ 672FlexibilityNo 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.