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St. Louis

$280+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — STL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amYHZ - STL
2 stops9h 24mUnited Airlines
Fri 12/511:25 amSTL - YHZ
2 stops10h 29mUnited Airlines
Deal found 10/27$280
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:35 amYHZ - STL
2 stops11h 54mAir Canada
Tue 12/24:05 pmSTL - YHZ
1 stop6h 21mAir Canada
Deal found 10/28$287
This United deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:15 pmYHZ - STL
1 stop10h 29mMultiple Airlines
Fri 12/54:05 pmSTL - YHZ
2 stops16h 26mMultiple Airlines
Deal found 10/27$315
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:00 amYHZ - STL
2 stops10h 46mUnited Airlines
Sun 11/306:30 amSTL - YHZ
2 stops15h 56mUnited Airlines
Deal found 10/26$488
This Air Canada deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:00 amYHZ - STL
1 stop8h 29mAir Canada
Sun 11/304:05 pmSTL - YHZ
1 stop15h 20mAir Canada
Deal found 10/26$603
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:30 amYHZ - STL
3 stops16h 30mAmerican Airlines
Fri 12/56:00 amSTL - YHZ
2 stops16h 22mAmerican Airlines
Deal found 10/27$620

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$280
(United Airlines)

Popular in

September

Cheapest in

December

Average price

$568
Provider with most accurate pricing for Halifax Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Halifax Intl-Lambert-St Louis flights.
Search Deals
From Halifax Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 2,558,603 searches. Data last updated October 28, 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

Wed 11/19

7:00 am-2:24 pm

2 stops9h 24m

Lambert-St Louis

Fri 12/5

11:25 am-11:54 pm

2 stops10h 29m

$280

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 4/7

2:50 pm-7:48 pm

1 stop6h 58m

Lambert-St Louis

Wed 4/8

6:30 am-1:54 pm

1 stop5h 24m

$280

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 11/27

5:35 am-3:29 pm

2 stops11h 54m

Lambert-St Louis

Tue 12/2

4:05 pm-12:26 am

1 stop6h 21m

$287

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 11/19

3:15 pm-11:44 pm

1 stop10h 29m

Lambert-St Louis

Fri 12/5

4:05 pm-10:31 am

2 stops16h 26m

$315

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 11/8

5:05 am-9:40 pm

2 stops18h 35m

$363

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 11/7

5:05 am-3:29 pm

1 stop12h 24m

$638

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 11/8

7:00 am-3:29 pm

1 stop10h 29m

$650

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 11/7

10:40 pm-11:09 am

3 stops38h 29m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Halifax to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Halifax to St. Louis in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Halifax-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Halifax-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Halifax to St. Louis

What is the cheapest month to book a flight from Halifax to St. Louis?

Currently, December is the cheapest month in which you can book a flight from Halifax to St. Louis (average of $146). Flying from Halifax to St. Louis in September is currently the most expensive (average of $567). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 24m. United Airlines provides one of the quickest options available for as low as $280. The distance from Halifax to St. Louis is about 1438 mi.

  • 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.

  • What is the cheapest month to book a flight from Halifax to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Halifax to St. Louis (average of $146). Flying from Halifax to St. Louis in September is currently the most expensive (average of $567). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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