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Cheap flights from Halifax to St. Louis from $182

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 8/24. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Halifax to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:10 pm - 8:20 pm
YHZ
-
STL
6h 10m
1 stop
Air Canada Logo
8:55 am - 5:14 pm
STL
-
YHZ
6h 19m
1 stop
$313Air Canada
Mon, Sep 21 - Wed, Sep 30
Air Canada Logo
10:25 am - 3:26 pm
YHZ
-
STL
7h 01m
1 stop
Air Canada Logo
4:05 pm - 12:48 am
STL
-
YHZ
6h 43m
1 stop
$314Air Canada
Sat, Nov 28 - Mon, Dec 14
Air Canada Logo
7:15 am - 3:26 pm
YHZ
-
STL
10h 11m
2 stops
Air Canada Logo
4:05 pm - 12:48 am
STL
-
YHZ
6h 43m
1 stop
$320Air Canada
Sat, Nov 28 - Tue, Dec 15
Air Canada Logo
6:05 am - 3:26 pm
YHZ
-
STL
11h 21m
2 stops
Air Canada Logo
4:05 pm - 12:48 am
STL
-
YHZ
6h 43m
1 stop
$323Air Canada
Wed, Dec 2 - Fri, Dec 18
Air Canada Logo
7:10 am - 3:26 pm
YHZ
-
STL
10h 16m
1 stop
Air Canada Logo
4:05 pm - 12:48 am
STL
-
YHZ
6h 43m
1 stop
$338Air Canada
Fri, Dec 4 - Tue, Dec 15
WestJet Logo
6:15 pm - 1:23 pm
YHZ
-
STL
21h 08m
2 stops
WestJet Logo
1:55 pm - 8:10 am
STL
-
YHZ
16h 15m
2 stops
$344WestJet
Mon, Sep 21 - Wed, Sep 30
WestJet Logo
6:15 pm - 9:00 am
YHZ
-
STL
16h 45m
2 stops
WestJet Logo
10:29 am - 8:10 am
STL
-
YHZ
19h 41m
2 stops
$346WestJet
Mon, Sep 21 - Wed, Sep 30
Air Canada Logo
7:15 am - 8:20 pm
YHZ
-
STL
15h 05m
2 stops
Air Canada Logo
8:55 am - 8:29 pm
STL
-
YHZ
9h 34m
2 stops
$349Air Canada
Mon, Sep 21 - Wed, Sep 30
WestJet Logo
3:30 pm - 1:06 pm
YHZ
-
STL
23h 36m
1 stop
WestJet Logo
10:29 am - 8:10 am
STL
-
YHZ
19h 41m
2 stops
$351WestJet
Mon, Sep 21 - Wed, Sep 30
WestJet Logo
3:30 pm - 1:06 pm
YHZ
-
STL
23h 36m
1 stop
WestJet Logo
10:29 am - 8:10 am
STL
-
YHZ
19h 41m
2 stops
$352WestJet
Mon, Sep 21 - Wed, Sep 30

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United Airlines flights from Halifax to St. Louis

Our best United Airlines deals on Halifax to St. Louis flight tickets
United Airlines
Sep 19
YHZ12:40 pmHalifax Intl
12h 19m
2 stops
STL10:59 pmLambert-St Louis
Sep 22
STL9:43 amLambert-St Louis
12h 12m
2 stops
YHZ11:55 pmHalifax Intl
$367
United Airlines
Dec 3
YHZ10:15 amHalifax Intl
15h 10m
1 stop
STL11:25 pmLambert-St Louis
Dec 14
STL4:05 pmLambert-St Louis
6h 43m
1 stop
YHZ12:48 amHalifax Intl
$379
United Airlines
Dec 3
YHZ10:15 amHalifax Intl
15h 10m
1 stop
STL11:25 pmLambert-St Louis
Dec 16
STL1:08 pmLambert-St Louis
9h 40m
2 stops
YHZ12:48 amHalifax Intl
$383

Air Canada flights from Halifax to St. Louis

Our best Air Canada deals on Halifax to St. Louis flight tickets
Air Canada
Sep 21
YHZ4:10 pmHalifax Intl
6h 10m
1 stop
STL8:20 pmLambert-St Louis
Sep 30
STL8:55 amLambert-St Louis
6h 19m
1 stop
YHZ5:14 pmHalifax Intl
$313
Air Canada
Nov 28
YHZ10:25 amHalifax Intl
7h 01m
1 stop
STL3:26 pmLambert-St Louis
Dec 14
STL4:05 pmLambert-St Louis
6h 43m
1 stop
YHZ12:48 amHalifax Intl
$314
Air Canada
Nov 28
YHZ7:15 amHalifax Intl
10h 11m
2 stops
STL3:26 pmLambert-St Louis
Dec 15
STL4:05 pmLambert-St Louis
6h 43m
1 stop
YHZ12:48 amHalifax Intl
$320

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 July 17, 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

Cheapest round-trip
Quickest round-trip

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 9/21

4:10 pm-8:20 pm

1 stop6h 10m

Lambert-St Louis

Wed 9/30

8:55 am-5:14 pm

1 stop6h 19m

$313

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 11/28

10:25 am-3:26 pm

1 stop7h 01m

Lambert-St Louis

Mon 12/14

4:05 pm-12:48 am

1 stop6h 43m

$314

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Sat 11/28

7:15 am-3:26 pm

2 stops10h 11m

Lambert-St Louis

Tue 12/15

4:05 pm-12:48 am

1 stop6h 43m

$320

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Wed 12/2

6:05 am-3:26 pm

2 stops11h 21m

Lambert-St Louis

Fri 12/18

4:05 pm-12:48 am

1 stop6h 43m

$323

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Fri 12/4

7:10 am-3:26 pm

1 stop10h 16m

Lambert-St Louis

Tue 12/15

4:05 pm-12:48 am

1 stop6h 43m

$338

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 9/21

6:15 pm-1:23 pm

2 stops21h 08m

Lambert-St Louis

Wed 9/30

1:55 pm-8:10 am

2 stops16h 15m

$344

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 9/21

6:15 pm-9:00 am

2 stops16h 45m

Lambert-St Louis

Wed 9/30

10:29 am-8:10 am

2 stops19h 41m

$346

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 9/21

7:15 am-8:20 pm

2 stops15h 05m

Lambert-St Louis

Wed 9/30

8:55 am-8:29 pm

2 stops9h 34m

$349

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 9/21

3:30 pm-1:06 pm

1 stop23h 36m

Lambert-St Louis

Wed 9/30

10:29 am-8:10 am

2 stops19h 41m

$351

HalifaxSt. Louis

YHZ - STL

YHZSTL

Halifax Intl

Mon 9/21

3:30 pm-1:06 pm

1 stop23h 36m

Lambert-St Louis

Wed 9/30

10:29 am-8:10 am

2 stops19h 41m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 46% 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

7h 05m

Direct flights

None
The fastest flight from Halifax to St. Louis takes 7h 05m
There are no direct flights from Halifax to St. Louis. There are no popular flight routes from Halifax to St. Louis.
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Frequently asked questions about flying from Halifax to St. Louis

  • 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 7h 05m.

  • 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
Fairview Heights
Hermann
Collinsville
Florissant
St. Peters
Maryland Heights
O'Fallon
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

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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