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$241+ Cheap flights from Hailey to St. Louis (SUN - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Hailey to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Hailey (SUN) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$588
(United Airlines)

One-way from

$241
(Alaska Airlines)
From Hailey Sun Valley-Friedman to Lambert-St Louis
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One-way flight from Hailey Sun Valley-Friedman to Lambert-St Louis
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Find flight deals from Hailey to St. Louis

Cheapest flights from Hailey to St. Louis
Explore the most affordable flight options available from Hailey to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:30 pmSUN - STL
2 stops10h 29mUnited Airlines
Fri 7/185:30 pmSTL - SUN
1 stop6h 06mUnited Airlines
Deal found 6/11$588
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1110:20 amSUN - STL
1 stop12h 39mAlaska Airlines
Fri 7/187:32 pmSTL - SUN
1 stop15h 06mAlaska Airlines
Deal found 6/11$607
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:38 pmSUN - STL
1 stop4h 41mDelta
Sun 6/297:15 amSTL - SUN
1 stop5h 42mDelta
Deal found 6/11$816

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Hailey to St. Louis that are best for you.

Fly from

Hailey

Fly to

St. Louis

Route

Depart

Return

Price

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Fri 7/11

12:30 pm-11:59 pm

2 stops10h 29m

Lambert-St Louis

Fri 7/18

5:30 pm-10:36 pm

1 stop6h 06m

$588

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Fri 7/11

10:20 am-11:59 pm

1 stop12h 39m

Lambert-St Louis

Fri 7/18

7:32 pm-9:38 am

1 stop15h 06m

$607

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Thu 6/26

12:38 pm-6:19 pm

1 stop4h 41m

Lambert-St Louis

Sun 6/29

7:15 am-11:57 am

1 stop5h 42m

$816

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 7/16

10:20 am-6:35 pm

1 stop7h 15m

$241

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Wed 7/16

12:38 pm-11:53 pm

2 stops10h 15m

$338

HaileySt. Louis

SUN - STL

SUNSTL

Hailey Sun Valley-Friedman

Fri 6/20

12:35 pm-10:45 pm

3 stops33h 10m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Hailey to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hailey with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hailey to St. Louis

What is the cheapest month to book a flight from Hailey to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Hailey to St. Louis (average of $311). Flying from Hailey to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Hailey to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Hailey to St. Louis round-trip?

    Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $588. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at $607 and $816, respectively.

  • What are the cheapest airlines to fly from Hailey to St. Louis one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $241. Users have also found prices from $338 and $691 on Delta and United Airlines, respectively.

  • Can I find deals for flights from Hailey to St. Louis that include hotel bookings?

    Yes. In addition to deals on Hailey to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hailey to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hailey to St. Louis.

  • Can I find deals for business class flights from Hailey to St. Louis?

    Yes. Cheapflights offers flight deals from Hailey to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hailey to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Hailey to St. Louis (average of $311). Flying from Hailey to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Hailey?

Book flights to Hailey if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Top airline flying from Hailey to St. Louis

Discover the top airline that operate flights from Hailey to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$510Average$875FlexibilityNo cancel feeOn-time69%

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