$237 Cheap Flights from St. Louis (STL) to Halifax (YHZ)

View $237 flight on Tue, Sep 30, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Stanfield Intl. Airport (YHZ)

Cheap Flights from St. Louis to Halifax (STL-YHZ)

Prices were available within the past 7 days and start at $237 for one-way flights and $498 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 14 - Tue, Oct 21
STL
St. Louis
YHZ
Halifax
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 14 from St. Louis to Halifax, returning Tue, Oct 21, priced at $498 found 1 day ago
American Airlines
Mon, Sep 1 - Tue, Sep 2
STL
St. Louis
YHZ
Halifax
$501 Roundtrip, found 13 hours ago
$501
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 1 from St. Louis to Halifax, returning Tue, Sep 2, priced at $501 found 13 hours ago
American Airlines
Tue, Aug 26 - Sat, Aug 30
STL
St. Louis
YHZ
Halifax
$506 Roundtrip, found 13 hours ago
$506
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Aug 26 from St. Louis to Halifax, returning Sat, Aug 30, priced at $506 found 13 hours ago
American Airlines
Fri, Aug 29 - Fri, Sep 5
STL
St. Louis
YHZ
Halifax
$519 Roundtrip, found 13 hours ago
$519
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Fri, Aug 29 from St. Louis to Halifax, returning Fri, Sep 5, priced at $519 found 13 hours ago
Delta
Fri, Oct 17 - Tue, Oct 21
STL
St. Louis
YHZ
Halifax
$519 Roundtrip, found 1 day ago
$519
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 17 from St. Louis to Halifax, returning Tue, Oct 21, priced at $519 found 1 day ago
Delta
Mon, Sep 29 - Wed, Oct 1
STL
St. Louis
YHZ
Halifax
$525 Roundtrip, found 1 day ago
$525
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Sep 29 from St. Louis to Halifax, returning Wed, Oct 1, priced at $525 found 1 day ago
American Airlines
Mon, Sep 1 - Fri, Sep 5
STL
St. Louis
YHZ
Halifax
$529 Roundtrip, found 13 hours ago
$529
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 1 from St. Louis to Halifax, returning Fri, Sep 5, priced at $529 found 13 hours ago
United
Tue, Sep 30 - Mon, Oct 13
STL
St. Louis
YHZ
Halifax
$560 Roundtrip, found 18 hours ago
$560
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Sep 30 from St. Louis to Halifax, returning Mon, Oct 13, priced at $560 found 18 hours ago
Air Canada
Sat, Sep 27 - Fri, Oct 10
STL
St. Louis
YHZ
Halifax
$712 Roundtrip, found 1 day ago
$712
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Sep 27 from St. Louis to Halifax, returning Fri, Oct 10, priced at $712 found 1 day ago
WestJet
Tue, Sep 16 - Tue, Sep 23
STL
St. Louis
YHZ
Halifax
$809 Roundtrip, found 4 days ago
$809
Roundtrip
found 4 days ago
Select WestJet flight, departing Tue, Sep 16 from St. Louis to Halifax, returning Tue, Sep 23, priced at $809 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Halifax (YHZ)

January is typically the cheapest month to fly

From $330 - $840 per traveler.

Graph displaying average flight prices per month

Alternative airports near Halifax

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Stanfield Intl. YHZ. Cheapest and Closest option available. Average driving time to city center is 26 minutes. Flights from $750
YHZ
Stanfield Intl.
CheapestClosest
Average driving time to city center26 min
Flights from $750
Flights from St. Louis (STL) to Halifax (YHZ)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Stanfield Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$498
Distance
1438 mi

St. Louis to Halifax Flights

The cheapest times to fly from St. Louis to Halifax

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Halifax are during the month of October. You can find some of the cheapest flights from St. Louis to Halifax with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Halifax

Sunday is one of the best days to book for cheap flights from St. Louis to Halifax: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Halifax

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Halifax in 2025. You can also book with separate airlines for your outbound and return journeys, from $237 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Halifax flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Halifax airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ) cost?
Grab a cheap one-way flight from $237 or cheap return flight from $498 from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ)?
The cheapest month to fly from STL to YHZ is October, when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to YHZ flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to YHZ?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ) last-minute?
Waiting until right before your break to book a ticket from STL to YHZ generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a STL to YHZ flight and hotel package?
Opting for a STL to YHZ flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Stanfield Intl. Airport (YHZ)?
In most instances, you can reschedule or cancel your STL to YHZ flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.