In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from YHZ to STL?

When flying from Halifax to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Halifax-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Halifax-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Halifax-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Halifax-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Halifax-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$612+ Flights from Halifax to St. Louis

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Cheap flight deals from Halifax to St. Louis

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 janeiro 28, 2026.

qui 1/299:00 am

YHZ

STL

1 stop8h 29m

United Airlines

seg 2/27:00 am

STL

YHZ

1 stop5h 31m

United Airlines

Deal found 1/25

$612

qui 1/291:00 pm

YHZ

STL

2 stops11h 58m

Air Canada

seg 2/28:05 am

STL

YHZ

2 stops11h 11m

Air Canada

Deal found 1/25

$613

Last-minute flights from Halifax to St. Louis
Discover last-minute flight deals from Halifax to St. Louis. Data last updated janeiro 28, 2026 and is based on user searches.

qui 1/299:00 am

YHZ

STL

1 stop8h 29m

United Airlines

seg 2/27:00 am

STL

YHZ

1 stop5h 31m

United Airlines

Deal found 1/25

$612

qui 1/291:00 pm

YHZ

STL

2 stops11h 58m

Air Canada

seg 2/28:05 am

STL

YHZ

2 stops11h 11m

Air Canada

Deal found 1/25

$613

Find flight deals from Halifax to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	September
Cheapest in	November
Average price	$514

Provider with most accurate pricing for Halifax Intl-Lambert-St Louis flight deals.

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Provider most trusted by Cheapflights users for Halifax Intl-Lambert-St Louis flights.

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Most accurate provider: When it comes to deals on Halifax-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Halifax-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Halifax-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Halifax-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Halifax-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Related info for your journey

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.

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$612+ Cheap flights from Halifax (YHZ) to St. Louis (STL)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Halifax to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Halifax to St. Louis

Cheapest flights from Halifax to St. LouisExplore 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 janeiro 28, 2026.

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 janeiro 28, 2026.

Find flight deals from Halifax to St. Louis

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

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.

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.

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

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

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

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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 janeiro 28, 2026.