STL - YHZ

$181 Find Cheap Flights from St. Louis to Halifax

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Halifax departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Halifax

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Halifax, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Halifax, as well as popular online travel agencies
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Cheap Flights from St. Louis to Halifax (STL-YHZ)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Halifax that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Halifax

Tue, Oct 21 - Wed, Nov 12
United Airlines Logo
5:28 pm - 3:49 pmSTL-YHZ
20h 21m2 stops
United Airlines Logo
3:15 pm - 3:46 pmYHZ-STL
26h 31m2 stops
$425United Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 1
United Airlines Logo
6:35 pm - 4:14 pmSTL-YHZ
19h 39m2 stops
United Airlines Logo
7:00 am - 10:43 pmYHZ-STL
17h 43m2 stops
$431United Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
United Airlines Logo
6:00 am - 2:03 pmSTL-YHZ
6h 03m1 stop
United Airlines Logo
2:50 pm - 10:49 amYHZ-STL
21h 59m2 stops
$574United Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
United Airlines Logo
9:20 am - 11:55 pmSTL-YHZ
12h 35m2 stops
United Airlines Logo
2:50 pm - 10:49 amYHZ-STL
21h 59m2 stops
$580United Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
United Airlines Logo
3:14 pm - 9:25 amSTL-YHZ
16h 11m2 stops
United Airlines Logo
5:05 am - 3:40 pmYHZ-STL
12h 35m2 stops
$597United Airlines
Find Deal
Tue, Oct 21 - Wed, Nov 12
 Logo
9:15 am - 5:09 pmSTL-YHZ
5h 54m1 stop
 Logo
10:30 am - 10:52 amYHZ-STL
26h 22m1 stop
Thu, Dec 25 - Thu, Jan 1
 Logo
7:00 am - 2:31 pmSTL-YHZ
5h 31m1 stop
 Logo
9:00 am - 3:29 pmYHZ-STL
8h 29m1 stop
Tue, Dec 23 - Thu, Jan 1
Air Canada Logo
4:05 pm - 12:26 amSTL-YHZ
6h 21m1 stop
Air Canada Logo
9:00 am - 3:29 pmYHZ-STL
8h 29m1 stop
$727Air Canada
Find Deal
Thu, Sep 25 - Mon, Sep 29
American Airlines Logo
6:05 am - 3:16 pmSTL-YHZ
7h 11m2 stops
American Airlines Logo
4:06 pm - 9:26 amYHZ-STL
19h 20m2 stops
$777American Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
WestJet Logo
6:05 am - 12:35 pmSTL-YHZ
28h 30m1 stop
WestJet Logo
1:25 pm - 12:19 pmYHZ-STL
24h 54m1 stop
$835WestJet
Find Deal

Everything you should know

Top airlines
United Airlines
Cheapest • from $425 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Cheapest round-trip
$425
United Airlines
Tue 10/21Wed 11/12
STL - YHZ • 2 stops
Cheapest one-way
$181
Multiple Airlines
Fri 9/26
STL - YHZ • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Halifax!
Booking Insights

KAYAK's insights & trends for St. Louis to Halifax flights

Get data-powered insights and trends into flights from St. Louis to Halifax to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Halifax?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to Halifax were found on United Airlines ($425) and Air Canada ($727).

Good to know

Cheapest flight$181
Most popular time to fly and prices are also 36% lower on average.
Flight from St. Louis to Halifax

When to book flights from St. Louis to Halifax

Are your dates flexible? Find out the best times to travel from St. Louis to Halifax based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Halifax

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

    In the last 3 days, the lowest price for a flight from St. Louis to Halifax was $181 for a one-way ticket and $425 for a round-trip.

  • Do I need a passport to fly between St. Louis and Halifax?

    Yes

  • Which airports will I be using when flying from St. Louis to Halifax?

    St. Louis airport is called Lambert-St Louis and the only airport in Halifax is Halifax Intl.

  • Which aircraft models fly most regularly from St. Louis to Halifax?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Halifax?

    Star Alliance, and oneworld are the airline alliances operating flights between St. Louis and Halifax, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Halifax, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Halifax are United Airlines and American Airlines. With an average price for the route of $589 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $755 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from St. Louis to Halifax?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Halifax.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Halifax?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Halifax from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Halifax?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Halifax with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and YHZ can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Halifax?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Halifax from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from St. Louis to Halifax

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Halifax. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Halifax? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8929 reviews
6.6Food
7.3Comfort
7.7Boarding
7.1Entertainment
8.1Crew
Airline reviews

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

10.0 ExcellentAnonymous, Aug 2025EWR - YYZ
Read more United Airlines reviews

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

We had a layover from YVR to Denver. We bought 4 bottles of Absolut Vodka at the YVR Duty Free for $116.20, after going through security and American Customs Pre Clearance at YVR, Vancouver. When we landed in Denver, United put us behind the American Customs as well as TSA again for some reason. We were forced to go through American Customs and TSA again. TSA confiscated our rightfully owned Duty Free Absolut Vodka bottles. Because United incorrectly forced our flight behind American border and TSA again, we missed the connecting flight. After United put us on a later flight, we eventually arrived in Chicago very late, with hardly any sleep. I am looking for compensation from United for our incorrectly confiscated Absolut Vodka bottles worth $116.20, as well as compensation for incorrectly putting us behind American Customs and TSA again, causing us to miss our connecting flight, making us arrive extremely late in Chicago.

From the first moment you interact with United Airlines, you can expect nothing less but extreme frustration. The baggage handler at the bag drop seems completely unbothered by the presence of customers waiting in line. No help was extended to load the baggage whatsoever. And if any of your bags is overweight by 0.01 pound they will make you re-distribute everything in your suitcase just to play power trip. When it was time to board no help was extended to customers to locate their seats. Moreover. It was a chaotic mess at the gate when it was unclear who should board first and everyone just bunched up, trying to get on the plane. I am sure the crew was doing their best to perform their jobs while being paid their wages however it shouldn’t be that hard to smile once or twice when you’re in the business if serving customers. It is a shame for the United States of America to have a flagship carrier of such low caliber. Our flight was also delayed by about an hour and a half due to further delays prior to our inbound flight. Being someone who has travelled for both business and leisure in Asia, Europe, and South America I have never experienced such poor quality of service.

The pilots were late and it made us 1 hour late. The meat was tough and bok choy was also tough.

the delay for 3 hours was understandable due to weather conditions but the flight should’ve provided some on flight compensations or at least provide more food.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

Boarding experience was smooth. Flight attendants were friendly and helpful. Entertainment system on the Houston-Edmonton flight did not function for passengers on the left side of the aisle. On the bird's eye flight from Quito to Houston, they should not serve a meal. No one needs to eat after midnight and it is disturbing for those passengers trying to sleep.

Flight was late as pilot crew had to land at different airport in their previous flight. Passengers boarded and had to wait for pilots inside plane. Series of incomplete and unnecessary announcements by an annoying voice, rather than complete, informative announcements.

Delay and keep changing gates. I have to run around from B to C then to E.

Given it’s a red-eye into Charolotte, we didn’t get any food. The survey does not include “N/A” so the rating will be skewed.

Great. Quick and quiet and east. The breakfast choices were a welcome surprise!

American airlines suck they delay the flights all the time made me sleep in an airport because my flight was delayed and I miss my connecting flight

There's nothing I liked about it. For first off I scheduled this trip two weeks in advance then they delayed my flight which messed up my whole trip. So I scheduled it for the following weekend thinking there won't be a delay and guess what as soon as I got to the airport we said in the airplane on the tarmac for an hour and a half. Not only was it delayed I missed my connecting flight meaning I had to stay the night at Dallas-Fort Worth airport sleeping on the floor. I will tell you this I will never fly American airlines ever again I have had nothing but horrible experience with them and I just throw money at them

The stewardess hit me with the food kart twice on the head and didn't say I'm sorry once. The same stewardess gave me a warm Apple Juice with No ice. The Flight was delayed for Departure 6 times, starting from 2:36pm, finally taking off 7:50pm. I was late picking up my child from the sitter by 3 hours.

Don’t know they cancelled the flight day before I was to leave. They sent a email at 9:00 pm at night saying they cancelled. That is the smooth way to say we don’t want your business! I think they didn’t have enough people booking so they cancelled the flight! It’s all about the money anymore there is no honesty in business.

Having to reschedule flights a day later, they loaded by luggage on the wrong plane from Little rock now I have to HOPE they deliver it to where im staying like they said would. International flight crew was very disgruntled and not very friendly.

We will be writing a long, detailed letter to corporate about our awful experience with American airlines.

It took way too long to diagnose and solve the problem of a broken crew member cabin seat. Though compensation for the volunteer who left the flight was very kind.

The entertainment package was vast and the selections were very current. Keep updating it was great.

For the price, it was a really good experience. There was no entertainment on board, so I couldn't really rate this, and I didn't order a meal. I appreciated that there was a free glass of wine.

Short flight. Everything was fine except the flight was delayed twice for a total of an hour.

My flight from New York to Canada and Canada to Brisbane was canceled, so I had to take united airlines instead flight from New York to Dubai then layover in Dubai 8 hours then from Dubai to Brisbane it was extremely difficult for me , it was a nightmare flying with Canadian airlines unfortunately.

I found the boarding easy and my seat was very comfortable as I had a lot of leg room. I am not too happy that I no longer have lounge access even though I used to get it with my TD credit card.

Flight cancelled. Major disruption to our travel. Do not use Air Canada from KC. To few flights.

Real smooth and easy, Real good leg room in coach!

There labor disputes cancelled my flight less than 24 hours before my boarding time but there customer service/website was easy enough to navigate and they rebooked me for no upcharge.

Re luggage I carried a backpack only. I did not check any bags in. However there were other passengers with carry on luggage going in the plane. My question is why are others allowed to have a carry on luggage inside the plane? Shouldn’t they have dropped it off at the gate? I’m asking because I could have brought the same thing instead of a backpack only. Please clarify for future reference. Thank you.

Like the service. Very hard to communicate or contact when have problems

Very bad, flight was cancelled due to strike and staff was unable to rebook us

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