Cheap flights from Halifax to St. Louis from C$ 380

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Halifax to St. Louis departing on 18/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:58 p.m. - 10:59 p.m.
YHZ
-
STL
10h 01m
2 stops
United Airlines Logo
7:00 a.m. - 2:14 p.m.
STL
-
YHZ
5h 14m
1 stop
C$ 380United Airlines
Wed, 18 Feb - Tue, 24 Feb
United Airlines Logo
2:58 p.m. - 10:59 p.m.
YHZ
-
STL
10h 01m
2 stops
United Airlines Logo
7:00 a.m. - 2:14 p.m.
STL
-
YHZ
5h 14m
1 stop
C$ 385United Airlines
Wed, 18 Feb - Tue, 24 Feb
Multiple Airlines Logo
1:10 p.m. - 11:59 p.m.
YHZ
-
STL
36h 49m
2 stops
Multiple Airlines Logo
3:49 p.m. - 5:31 p.m.
STL
-
YHZ
23h 42m
1 stop
C$ 430Multiple Airlines
Wed, 18 Feb - Tue, 24 Feb
Multiple Airlines Logo
6:00 a.m. - 4:42 p.m.
YHZ
-
STL
12h 42m
2 stops
Multiple Airlines Logo
3:49 p.m. - 5:31 p.m.
STL
-
YHZ
23h 42m
1 stop
C$ 440Multiple Airlines
Wed, 18 Feb - Tue, 24 Feb
United Airlines Logo
10:30 a.m. - 9:40 p.m.
YHZ
-
STL
13h 10m
2 stops
United Airlines Logo
7:00 a.m. - 4:14 p.m.
STL
-
YHZ
7h 14m
1 stop
C$ 453United Airlines
Wed, 18 Feb - Tue, 24 Feb
United Airlines Logo
10:30 a.m. - 9:05 p.m.
YHZ
-
STL
12h 35m
2 stops
United Airlines Logo
9:55 a.m. - 10:26 p.m.
STL
-
YHZ
10h 31m
2 stops
C$ 465United Airlines
Wed, 18 Feb - Tue, 24 Feb
WestJet Logo
6:00 a.m. - 4:52 p.m.
YHZ
-
STL
12h 52m
2 stops
WestJet Logo
1:13 p.m. - 1:41 a.m.
STL
-
YHZ
10h 28m
2 stops
C$ 497WestJet
Wed, 18 Feb - Tue, 24 Feb
Air Canada Logo
9:00 a.m. - 3:29 p.m.
YHZ
-
STL
8h 29m
1 stop
Air Canada Logo
4:05 p.m. - 12:06 a.m.
STL
-
YHZ
6h 01m
1 stop
C$ 500Air Canada
Wed, 18 Feb - Wed, 25 Feb
WestJet Logo
6:00 a.m. - 8:09 p.m.
YHZ
-
STL
16h 09m
2 stops
WestJet Logo
9:45 a.m. - 1:41 a.m.
STL
-
YHZ
13h 56m
2 stops
C$ 534WestJet
Wed, 18 Feb - Tue, 24 Feb
American Airlines Logo
6:30 a.m. - 9:12 p.m.
YHZ
-
STL
16h 42m
2 stops
American Airlines Logo
6:00 a.m. - 12:22 a.m.
STL
-
YHZ
16h 22m
2 stops
C$ 544American Airlines
Wed, 18 Feb - Tue, 24 Feb

Air Canada flights from Halifax to St. Louis

Our best Air Canada deals on Halifax to St. Louis flight tickets
Air Canada
22 Jan
YHZ9:00 a.m.Halifax Intl
8h 29m
1 stop
STL3:29 p.m.Lambert-St Louis
26 Jan
STL4:05 p.m.Lambert-St Louis
6h 36m
1 stop
YHZ12:41 a.m.Halifax Intl
C$ 500
Air Canada
22 Jan
YHZ5:35 a.m.Halifax Intl
11h 54m
2 stops
STL3:29 p.m.Lambert-St Louis
26 Jan
STL4:05 p.m.Lambert-St Louis
6h 36m
1 stop
YHZ12:41 a.m.Halifax Intl
C$ 504
Air Canada
14 Feb
YHZ9:00 a.m.Halifax Intl
8h 29m
1 stop
STL3:29 p.m.Lambert-St Louis
21 Feb
STL4:05 p.m.Lambert-St Louis
6h 01m
1 stop
YHZ12:06 a.m.Halifax Intl
C$ 521

United Airlines flights from Halifax to St. Louis

Our best United Airlines deals on Halifax to St. Louis flight tickets
United Airlines
18 Feb
YHZ2:58 p.m.Halifax Intl
10h 01m
2 stops
STL10:59 p.m.Lambert-St Louis
24 Feb
STL7:00 a.m.Lambert-St Louis
5h 14m
1 stop
YHZ2:14 p.m.Halifax Intl
C$ 401
United Airlines
18 Feb
YHZ2:58 p.m.Halifax Intl
10h 01m
2 stops
STL10:59 p.m.Lambert-St Louis
24 Feb
STL7:00 a.m.Lambert-St Louis
5h 14m
1 stop
YHZ2:14 p.m.Halifax Intl
C$ 435
United Airlines
18 Feb
YHZ2:58 p.m.Halifax Intl
10h 01m
2 stops
STL10:59 p.m.Lambert-St Louis
24 Feb
STL7:00 a.m.Lambert-St Louis
5h 14m
1 stop
YHZ2:14 p.m.Halifax Intl
C$ 444

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 15 January 2026.
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

Wed 18/2

2:58 p.m.-10:59 p.m.

2 stops10h 01m

Lambert-St Louis

Tue 24/2

7:00 a.m.-2:14 p.m.

1 stop5h 14m

C$ 380

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

2:58 p.m.-10:59 p.m.

2 stops10h 01m

Lambert-St Louis

Tue 24/2

7:00 a.m.-2:14 p.m.

1 stop5h 14m

C$ 385

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

1:10 p.m.-11:59 p.m.

2 stops36h 49m

Lambert-St Louis

Tue 24/2

3:49 p.m.-5:31 p.m.

1 stop23h 42m

C$ 430

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

6:00 a.m.-4:42 p.m.

2 stops12h 42m

Lambert-St Louis

Tue 24/2

3:49 p.m.-5:31 p.m.

1 stop23h 42m

C$ 440

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

10:30 a.m.-9:40 p.m.

2 stops13h 10m

Lambert-St Louis

Tue 24/2

7:00 a.m.-4:14 p.m.

1 stop7h 14m

C$ 453

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

10:30 a.m.-9:05 p.m.

2 stops12h 35m

Lambert-St Louis

Tue 24/2

9:55 a.m.-10:26 p.m.

2 stops10h 31m

C$ 465

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

6:00 a.m.-4:52 p.m.

2 stops12h 52m

Lambert-St Louis

Tue 24/2

1:13 p.m.-1:41 a.m.

2 stops10h 28m

C$ 497

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

9:00 a.m.-3:29 p.m.

1 stop8h 29m

Lambert-St Louis

Wed 25/2

4:05 p.m.-12:06 a.m.

1 stop6h 01m

C$ 500

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

6:00 a.m.-8:09 p.m.

2 stops16h 09m

Lambert-St Louis

Tue 24/2

9:45 a.m.-1:41 a.m.

2 stops13h 56m

C$ 534

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 18/2

6:30 a.m.-9:12 p.m.

2 stops16h 42m

Lambert-St Louis

Tue 24/2

6:00 a.m.-12:22 a.m.

2 stops16h 22m

C$ 544

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

8h 29m

Direct flights

None
The fastest flight from Halifax to St. Louis takes 8h 29m
There are no direct flights from Halifax to St. Louis. There are no popular flight routes from Halifax to St. Louis.
  • 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 8h 29m.

  • 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
Air CanadaPriceFrom C$ 401Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 422Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
  • How do I get Price Alerts for flights from Halifax to St. Louis?

    Search flight deals from Halifax to St. Louis. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Halifax to St. Louis with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near St. Louis?

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

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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1 adult
Sat 14/2
Sat 21/2

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