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Cheap flights from Halifax to St. Louis from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Halifax to St. Louis departing on 4/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 am - 3:24 pm
YHZ
-
STL
10h 29m
2 stops
Air Canada Logo
4:05 pm - 12:04 am
STL
-
YHZ
5h 59m
1 stop
$289Air Canada
Sat, Apr 11 - Sat, Apr 18
Air Canada Logo
9:00 am - 3:24 pm
YHZ
-
STL
8h 24m
1 stop
Air Canada Logo
4:05 pm - 12:04 am
STL
-
YHZ
5h 59m
1 stop
$293Air Canada
Sat, Apr 11 - Sat, Apr 18
Air Canada Logo
6:55 am - 3:24 pm
YHZ
-
STL
10h 29m
2 stops
Air Canada Logo
4:05 pm - 9:25 am
STL
-
YHZ
15h 20m
2 stops
$302Air Canada
Sat, Apr 11 - Sat, Apr 18
Delta Logo
1:15 pm - 8:50 pm
YHZ
-
STL
9h 35m
1 stop
Delta Logo
6:45 am - 11:27 pm
STL
-
YHZ
14h 42m
2 stops
$322Delta
Thu, Jun 18 - Mon, Jun 22
WestJet Logo
3:30 pm - 1:17 pm
YHZ
-
STL
23h 47m
1 stop
WestJet Logo
5:45 pm - 9:45 pm
STL
-
YHZ
26h 00m
1 stop
$325WestJet
Thu, Jun 18 - Mon, Jun 22
WestJet Logo
3:30 pm - 1:17 pm
YHZ
-
STL
23h 47m
1 stop
WestJet Logo
5:45 pm - 9:45 pm
STL
-
YHZ
26h 00m
1 stop
$326WestJet
Thu, Jun 18 - Mon, Jun 22
United Airlines Logo
10:15 am - 9:08 pm
YHZ
-
STL
12h 53m
2 stops
United Airlines Logo
6:40 pm - 4:03 pm
STL
-
YHZ
19h 23m
2 stops
$328United Airlines
Tue, Apr 14 - Tue, Apr 21
WestJet Logo
8:00 pm - 3:58 pm
YHZ
-
STL
21h 58m
2 stops
WestJet Logo
6:45 am - 9:45 pm
STL
-
YHZ
13h 00m
1 stop
$331WestJet
Thu, Jun 18 - Mon, Jun 22
Delta Logo
1:15 pm - 8:50 pm
YHZ
-
STL
9h 35m
1 stop
Delta Logo
6:45 am - 11:27 pm
STL
-
YHZ
14h 42m
2 stops
$332Delta
Thu, Jun 18 - Mon, Jun 22
WestJet Logo
3:30 pm - 1:17 pm
YHZ
-
STL
23h 47m
1 stop
WestJet Logo
5:45 pm - 9:45 pm
STL
-
YHZ
26h 00m
1 stop
$334WestJet
Thu, Jun 18 - Mon, Jun 22

Delta flights from Halifax to St. Louis

Our best Delta deals on Halifax to St. Louis flight tickets
Delta
Jun 18
YHZ1:15 pmHalifax Intl
9h 35m
1 stop
STL8:50 pmLambert-St Louis
Jun 22
STL6:45 amLambert-St Louis
14h 42m
2 stops
YHZ11:27 pmHalifax Intl
$322
Delta
Jun 18
YHZ1:15 pmHalifax Intl
9h 35m
1 stop
STL8:50 pmLambert-St Louis
Jun 22
STL6:45 amLambert-St Louis
14h 42m
2 stops
YHZ11:27 pmHalifax Intl
$332
Delta
May 1
YHZ3:45 pmHalifax Intl
9h 28m
2 stops
STL11:13 pmLambert-St Louis
May 5
STL6:48 amLambert-St Louis
12h 37m
2 stops
YHZ9:25 pmHalifax Intl
$352

WestJet flights from Halifax to St. Louis

Our best WestJet deals on Halifax to St. Louis flight tickets
WestJet
Jun 18
YHZ3:30 pmHalifax Intl
23h 47m
1 stop
STL1:17 pmLambert-St Louis
Jun 22
STL5:45 pmLambert-St Louis
26h 00m
1 stop
YHZ9:45 pmHalifax Intl
$325
WestJet
Jun 18
YHZ3:30 pmHalifax Intl
23h 47m
1 stop
STL1:17 pmLambert-St Louis
Jun 22
STL5:45 pmLambert-St Louis
26h 00m
1 stop
YHZ9:45 pmHalifax Intl
$326
WestJet
Jun 18
YHZ8:00 pmHalifax Intl
21h 58m
2 stops
STL3:58 pmLambert-St Louis
Jun 22
STL6:45 amLambert-St Louis
13h 00m
1 stop
YHZ9:45 pmHalifax Intl
$331

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 832,500 searches. Data last updated February 28, 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

Sat 4/11

6:55 am-3:24 pm

2 stops10h 29m

Lambert-St Louis

Sat 4/18

4:05 pm-12:04 am

1 stop5h 59m

$289

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 4/11

9:00 am-3:24 pm

1 stop8h 24m

Lambert-St Louis

Sat 4/18

4:05 pm-12:04 am

1 stop5h 59m

$293

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 4/11

6:55 am-3:24 pm

2 stops10h 29m

Lambert-St Louis

Sat 4/18

4:05 pm-9:25 am

2 stops15h 20m

$302

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 6/18

1:15 pm-8:50 pm

1 stop9h 35m

Lambert-St Louis

Mon 6/22

6:45 am-11:27 pm

2 stops14h 42m

$322

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 6/18

3:30 pm-1:17 pm

1 stop23h 47m

Lambert-St Louis

Mon 6/22

5:45 pm-9:45 pm

1 stop26h 00m

$325

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 6/18

3:30 pm-1:17 pm

1 stop23h 47m

Lambert-St Louis

Mon 6/22

5:45 pm-9:45 pm

1 stop26h 00m

$326

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Tue 4/14

10:15 am-9:08 pm

2 stops12h 53m

Lambert-St Louis

Tue 4/21

6:40 pm-4:03 pm

2 stops19h 23m

$328

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 6/18

8:00 pm-3:58 pm

2 stops21h 58m

Lambert-St Louis

Mon 6/22

6:45 am-9:45 pm

1 stop13h 00m

$331

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 6/18

1:15 pm-8:50 pm

1 stop9h 35m

Lambert-St Louis

Mon 6/22

6:45 am-11:27 pm

2 stops14h 42m

$332

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Thu 6/18

3:30 pm-1:17 pm

1 stop23h 47m

Lambert-St Louis

Mon 6/22

5:45 pm-9:45 pm

1 stop26h 00m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Halifax to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Halifax to St. Louis flights?

You could potentially save up to 8% on your flight if you consider stops on a Halifax to St. Louis flight.

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

9h 35m

Direct flights

None
The fastest flight from Halifax to St. Louis takes 9h 35m
There are no direct flights from Halifax to St. Louis. There are no popular flight routes from Halifax to St. Louis.
Search flight deals

  • How far is Halifax Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 1428.1 mi away from Halifax Intl. A reasonable flight in good conditions will take 9h 35m.

  • 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 old do you have to be to fly from Halifax Intl Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Halifax to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Halifax.

Can I find flights from Halifax to St. Louis with flexible booking policies on momondo?

Flights from Halifax to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Halifax to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Halifax. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Halifax to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Halifax to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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