Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Hailey to St. Louis from $176

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 7/1. 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
0 bags

Find the cheapest flights from Hailey to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:38 pm - 11:57 pm
SUN
-
STL
8h 19m
1 stop
United Airlines Logo
4:45 pm - 9:26 pm
STL
-
SUN
5h 41m
1 stop
$351United Airlines
Thu, May 21 - Sat, May 23
United Airlines Logo
1:57 pm - 11:57 pm
SUN
-
STL
9h 00m
2 stops
United Airlines Logo
9:06 am - 1:47 pm
STL
-
SUN
5h 41m
1 stop
$356United Airlines
Thu, May 21 - Sat, May 23
United Airlines Logo
8:00 am - 6:17 pm
SUN
-
STL
9h 17m
1 stop
United Airlines Logo
5:10 am - 1:16 pm
STL
-
SUN
9h 06m
2 stops
$380United Airlines
Thu, May 21 - Mon, May 25
United Airlines Logo
1:57 pm - 11:57 pm
SUN
-
STL
9h 00m
2 stops
United Airlines Logo
5:10 am - 1:16 pm
STL
-
SUN
9h 06m
2 stops
$385United Airlines
Thu, May 21 - Mon, May 25
Delta Logo
12:39 pm - 7:03 pm
SUN
-
STL
5h 24m
1 stop
Delta Logo
7:00 am - 11:57 am
STL
-
SUN
5h 57m
1 stop
$390Delta
Thu, May 7 - Sat, May 9
United Airlines Logo
2:30 pm - 8:43 pm
SUN
-
STL
5h 13m
1 stop
United Airlines Logo
8:46 am - 1:38 pm
STL
-
SUN
5h 52m
1 stop
$391United Airlines
Sun, May 10 - Tue, May 12
Delta Logo
12:39 pm - 7:03 pm
SUN
-
STL
5h 24m
1 stop
Delta Logo
12:59 pm - 9:59 pm
STL
-
SUN
10h 00m
2 stops
$395Delta
Thu, May 7 - Sat, May 9
United Airlines Logo
1:57 pm - 11:57 pm
SUN
-
STL
9h 00m
2 stops
United Airlines Logo
1:38 pm - 9:51 pm
STL
-
SUN
9h 13m
2 stops
$416United Airlines
Thu, May 21 - Sat, May 23
United Airlines Logo
2:30 pm - 8:43 pm
SUN
-
STL
5h 13m
1 stop
United Airlines Logo
8:46 am - 1:38 pm
STL
-
SUN
5h 52m
1 stop
$420United Airlines
Thu, Apr 30 - Sat, May 2
United Airlines Logo
2:30 pm - 8:43 pm
SUN
-
STL
5h 13m
1 stop
United Airlines Logo
8:46 am - 1:38 pm
STL
-
SUN
5h 52m
1 stop
$421United Airlines
Wed, May 6 - Fri, May 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Hailey to St. Louis

Our best United Airlines deals on Hailey to St. Louis flight tickets
United Airlines
May 21
SUN2:38 pmHailey Sun Valley-Friedman
8h 19m
1 stop
STL11:57 pmLambert-St Louis
May 23
STL4:45 pmLambert-St Louis
5h 41m
1 stop
SUN9:26 pmHailey Sun Valley-Friedman
$351
United Airlines
May 21
SUN1:57 pmHailey Sun Valley-Friedman
9h 00m
2 stops
STL11:57 pmLambert-St Louis
May 23
STL9:06 amLambert-St Louis
5h 41m
1 stop
SUN1:47 pmHailey Sun Valley-Friedman
$356
United Airlines
May 21
SUN8:00 amHailey Sun Valley-Friedman
9h 17m
1 stop
STL6:17 pmLambert-St Louis
May 25
STL5:10 amLambert-St Louis
9h 06m
2 stops
SUN1:16 pmHailey Sun Valley-Friedman
$380

Delta flights from Hailey to St. Louis

Our best Delta deals on Hailey to St. Louis flight tickets
Delta
May 7
SUN12:39 pmHailey Sun Valley-Friedman
5h 24m
1 stop
STL7:03 pmLambert-St Louis
May 9
STL7:00 amLambert-St Louis
5h 57m
1 stop
SUN11:57 amHailey Sun Valley-Friedman
$390
Delta
May 7
SUN12:39 pmHailey Sun Valley-Friedman
5h 24m
1 stop
STL7:03 pmLambert-St Louis
May 9
STL12:59 pmLambert-St Louis
10h 00m
2 stops
SUN9:59 pmHailey Sun Valley-Friedman
$395
Delta
Apr 30
SUN3:34 pmHailey Sun Valley-Friedman
7h 51m
1 stop
STL12:25 amLambert-St Louis
May 2
STL6:00 amLambert-St Louis
9h 54m
2 stops
SUN2:54 pmHailey Sun Valley-Friedman
$434

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 April 20, 2026.
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

Cheapest round-trip

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/21

2:38 pm-11:57 pm

1 stop8h 19m

Lambert-St Louis

Sat 5/23

4:45 pm-9:26 pm

1 stop5h 41m

$351

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/21

1:57 pm-11:57 pm

2 stops9h 00m

Lambert-St Louis

Sat 5/23

9:06 am-1:47 pm

1 stop5h 41m

$356

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/21

8:00 am-6:17 pm

1 stop9h 17m

Lambert-St Louis

Mon 5/25

5:10 am-1:16 pm

2 stops9h 06m

$380

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/21

1:57 pm-11:57 pm

2 stops9h 00m

Lambert-St Louis

Mon 5/25

5:10 am-1:16 pm

2 stops9h 06m

$385

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/7

12:39 pm-7:03 pm

1 stop5h 24m

Lambert-St Louis

Sat 5/9

7:00 am-11:57 am

1 stop5h 57m

$390
Quickest round-trip

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Sun 5/10

2:30 pm-8:43 pm

1 stop5h 13m

Lambert-St Louis

Tue 5/12

8:46 am-1:38 pm

1 stop5h 52m

$391

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/7

12:39 pm-7:03 pm

1 stop5h 24m

Lambert-St Louis

Sat 5/9

12:59 pm-9:59 pm

2 stops10h 00m

$395

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 5/21

1:57 pm-11:57 pm

2 stops9h 00m

Lambert-St Louis

Sat 5/23

1:38 pm-9:51 pm

2 stops9h 13m

$416

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 4/30

2:30 pm-8:43 pm

1 stop5h 13m

Lambert-St Louis

Sat 5/2

8:46 am-1:38 pm

1 stop5h 52m

$420

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 5/6

2:30 pm-8:43 pm

1 stop5h 13m

Lambert-St Louis

Fri 5/8

8:46 am-1:38 pm

1 stop5h 52m

$421

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

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 airline that flies from Hailey Sun Valley-Friedman to Lambert-St Louis?

United Airlines and Alaska Airlines are the most popular carriers operating from Hailey Sun Valley-Friedman to Lambert-St Louis

What airlines fly to St. Louis?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to St. Louis from Hailey according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

5h 08m

Direct flights

None
The fastest flight from Hailey to St. Louis takes 5h 08m
There are no direct flights from Hailey to St. Louis. There are no popular flight routes from Hailey to St. Louis.
Search flight deals

Frequently asked questions about flying from Hailey to St. Louis

  • 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 5h 08m.

  • 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 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.

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

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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 5/20
Wed 5/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States