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Cheap flights from Halifax to St. Louis from C$ 320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Halifax to St. Louis departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Halifax to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:50 p.m. - 7:48 p.m.YHZ-STL
6h 58m1 stop
United Airlines Logo
6:30 a.m. - 1:54 p.m.STL-YHZ
5h 24m1 stop
C$ 392United Airlines
Find Deal
Tue, 7 Apr - Wed, 8 Apr

momondo 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, momondo users made 96,600 searches. Data last updated 16 October 2025.
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

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 7/4

2:50 p.m.-7:48 p.m.

1 stop6h 58m

Lambert-St Louis

Wed 8/4

6:30 a.m.-1:54 p.m.

1 stop5h 24m

C$ 392

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 8/11

6:25 p.m.-12:28 p.m.

2 stops20h 03m

C$ 320

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 8/11

6:30 a.m.-4:12 p.m.

2 stops11h 42m

C$ 466

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 8/11

6:30 a.m.-9:00 p.m.

3 stops16h 30m

C$ 729

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 8/11

7:00 a.m.-3:29 p.m.

1 stop10h 29m

C$ 732

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 8/11

6:30 a.m.-9:00 p.m.

3 stops16h 30m

C$ 800

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Halifax to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

The month of December is, on average, the cheapest month to fly to St. Louis from Halifax, with most prices found around C$ 260. If you don’t want to visit St. Louis in December, then you should wait until February to fly from Halifax, when ticket prices are also cheap, with an average price of C$ 410.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Saturday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 636. The most expensive day to fly to St. Louis is Sunday, with ticket prices averaging around C$ 1,113.

What is the cheapest time of day to depart on your flight to St. Louis?

The cheapest time of day to fly to St. Louis is in the afternoon when flights can be purchased for as low as C$ 691. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 701 on average. Flights to St. Louis from Halifax in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Halifax to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Halifax to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Halifax to St. Louis (YHZ to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Halifax to St. Louis

Direct flights

None
There are no direct flights from Halifax to St. Louis. There are no popular flight routes from Halifax to St. Louis.
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  • How far is Halifax Intl to Lambert-St Louis by plane?

    The distance between Halifax Intl and Lambert-St Louis is about 2298.3 km. A reasonable flight in good conditions will take 6h 58m.

  • When did momondo last update prices for flights from Halifax Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Halifax Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Halifax Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Halifax Intl Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Halifax Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Halifax to St. Louis?

Best airlines flying from Halifax to St. Louis

Compare and see reviews for airlines that fly from Halifax to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 260Free CancellationRating
7.2
3,125 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 405Free CancellationRating
7.1
10,302 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 410Free CancellationRating
7.4
8,978 reviews
Search United Airlines flights

Travelling to a place near St. Louis?

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

Why use momondo?

Why should I use momondo to find a flight deal from Halifax to St. Louis?

Finding the right flight to St. Louis from Halifax is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Halifax to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Halifax to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Halifax to St. Louis?

Once you have performed a search for Halifax to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Halifax to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Halifax are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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