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Cheap flights from Hailey to St. Louis from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hailey to St. Louis departing on 1/27. 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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Find the cheapest flights from Hailey to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:16 pm - 9:15 pmSUN-STL
6h 59m1 stop
American Airlines Logo
2:38 pm - 8:17 pmSTL-SUN
6h 39m1 stop
$291American Airlines
Find Deal
Tue, Jan 27 - Thu, Jan 29
Delta Logo
7:30 am - 1:21 pmSUN-STL
4h 51m1 stop
Delta Logo
7:30 am - 2:45 pmSTL-SUN
8h 15m1 stop
$331Delta
Find Deal
Wed, Apr 15 - Sun, Apr 19
Delta Logo
7:30 am - 1:21 pmSUN-STL
4h 51m1 stop
Delta Logo
7:30 am - 2:45 pmSTL-SUN
8h 15m1 stop
$350Delta
Find Deal
Wed, Apr 15 - Sun, Apr 19
Delta Logo
1:20 pm - 11:01 pmSUN-STL
8h 41m2 stops
Delta Logo
7:30 am - 2:45 pmSTL-SUN
8h 15m1 stop
$365Delta
Find Deal
Wed, Apr 15 - Sun, Apr 19
Delta Logo
3:25 pm - 11:01 pmSUN-STL
6h 36m2 stops
Delta Logo
7:30 am - 2:45 pmSTL-SUN
8h 15m1 stop
$384Delta
Find Deal
Wed, Apr 15 - Sun, Apr 19
American Airlines Logo
1:16 pm - 11:03 amSUN-STL
20h 47m2 stops
American Airlines Logo
2:38 pm - 8:17 pmSTL-SUN
6h 39m1 stop
$403American Airlines
Find Deal
Tue, Jan 27 - Thu, Jan 29
Alaska Airlines Logo
11:56 am - 11:59 pmSUN-STL
11h 03m2 stops
Alaska Airlines Logo
9:34 am - 11:14 amSTL-SUN
26h 40m2 stops
$470Alaska Airlines
Find Deal
Tue, Jan 27 - Thu, Jan 29
Delta Logo
3:25 pm - 11:01 pmSUN-STL
6h 36m2 stops
Delta Logo
9:00 am - 9:54 pmSTL-SUN
13h 54m2 stops
$563Delta
Find Deal
Wed, Apr 15 - Sun, Apr 19

American Airlines flights from Hailey to St. Louis

Our best American Airlines deals on Hailey to St. Louis flight tickets
American Airlines
Jan 27
SUN1:16 pmHailey Sun Valley-Friedman
6h 59m
1 stop
STL9:15 pmLambert-St Louis
Jan 29
STL2:38 pmLambert-St Louis
6h 39m
1 stop
SUN8:17 pmHailey Sun Valley-Friedman
$291
Find similar
American Airlines
Jan 27
SUN1:16 pmHailey Sun Valley-Friedman
20h 47m
2 stops
STL11:03 amLambert-St Louis
Jan 29
STL2:38 pmLambert-St Louis
6h 39m
1 stop
SUN8:17 pmHailey Sun Valley-Friedman
$403
Find similar

Delta flights from Hailey to St. Louis

Our best Delta deals on Hailey to St. Louis flight tickets
Delta
Apr 15
SUN7:30 amHailey Sun Valley-Friedman
4h 51m
1 stop
STL1:21 pmLambert-St Louis
Apr 19
STL7:30 amLambert-St Louis
8h 15m
1 stop
SUN2:45 pmHailey Sun Valley-Friedman
$331
Find similar
Delta
Apr 15
SUN7:30 amHailey Sun Valley-Friedman
4h 51m
1 stop
STL1:21 pmLambert-St Louis
Apr 19
STL7:30 amLambert-St Louis
8h 15m
1 stop
SUN2:45 pmHailey Sun Valley-Friedman
$350
Find similar
Delta
Apr 15
SUN1:20 pmHailey Sun Valley-Friedman
8h 41m
2 stops
STL11:01 pmLambert-St Louis
Apr 19
STL7:30 amLambert-St Louis
8h 15m
1 stop
SUN2:45 pmHailey Sun Valley-Friedman
$365
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hailey 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 November 4, 2025.
Use the filters below to find and compare flights from Hailey to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

1:16 pm-9:15 pm

1 stop6h 59m

Lambert-St Louis

Thu 1/29

2:38 pm-8:17 pm

1 stop6h 39m

$291

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 4/15

7:30 am-1:21 pm

1 stop4h 51m

Lambert-St Louis

Sun 4/19

7:30 am-2:45 pm

1 stop8h 15m

$331

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 4/15

7:30 am-1:21 pm

1 stop4h 51m

Lambert-St Louis

Sun 4/19

7:30 am-2:45 pm

1 stop8h 15m

$350

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 4/15

1:20 pm-11:01 pm

2 stops8h 41m

Lambert-St Louis

Sun 4/19

7:30 am-2:45 pm

1 stop8h 15m

$365

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 4/15

3:25 pm-11:01 pm

2 stops6h 36m

Lambert-St Louis

Sun 4/19

7:30 am-2:45 pm

1 stop8h 15m

$384

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

1:16 pm-11:03 am

2 stops20h 47m

Lambert-St Louis

Thu 1/29

2:38 pm-8:17 pm

1 stop6h 39m

$403

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

11:56 am-11:59 pm

2 stops11h 03m

Lambert-St Louis

Thu 1/29

9:34 am-11:14 am

2 stops26h 40m

$470

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 4/15

3:25 pm-11:01 pm

2 stops6h 36m

Lambert-St Louis

Sun 4/19

9:00 am-9:54 pm

2 stops13h 54m

$563

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

3:24 pm-9:38 pm

1 stop5h 14m

$146

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Tue 1/27

12:43 pm-11:25 pm

2 stops9h 42m

$151

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Hailey 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

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Hailey at noon is the least expensive time of day to depart. momondo users have found prices as low as $722 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $875 per ticket.

When to book flights from Hailey to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Hailey to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hailey to St. Louis (SUN to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hailey to St. Louis

Direct flights

None
There are no direct flights from Hailey to St. Louis. There are no popular flight routes from Hailey to St. Louis.
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  • How far is Hailey Sun Valley-Friedman to Lambert-St Louis by plane?

    A flight from Hailey Sun Valley-Friedman to Lambert-St Louis will travel around 1294.9 mi. By plane, this route typically takes 4h 51m.

  • When did momondo last update prices for flights from Hailey Sun Valley-Friedman Airport to Lambert-St Louis Airport?

    Prices for flights from Hailey Sun Valley-Friedman Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Hailey Sun Valley-Friedman Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Hailey Sun Valley-Friedman 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 Hailey Sun Valley-Friedman 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.

  • What is the most popular airline from Hailey to St. Louis?

Best airlines flying from Hailey to St. Louis

Compare and see reviews for airlines that fly from Hailey to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $510Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hailey to St. Louis. momondo saves you time and could save you money on your trip.

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

All flight searches from Hailey to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Hailey to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Hailey and alert you when they change.

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