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$46+ Cheap flights from St. Louis (STL) to Aurora, CO

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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DEN
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Lambert-St Louis to Aurora are usually found in April or May, booked 23 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from St. Louis to Aurora

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Aurora (9UR). 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 November 21, 2024.

Popular in

December

Cheapest in

April

Round-trip from

$67
(Cheapflightsfares)

One-way from

$46
(Kiwi.com)
High demand for flights, 19% potential price rise
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Best time to find cheap flights, 17% potential price drop
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From Lambert-St Louis to Aurora
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One-way flight from Lambert-St Louis to Aurora
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Find flight deals from St. Louis to Aurora

Cheapest flights from St. Louis to Aurora
Explore the most affordable flight options available from St. Louis to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:46 pmSTL - DEN
Nonstop2h 36mFrontier
Sat 12/145:05 amDEN - STL
Nonstop2h 08mFrontier
Deal found 11/21$67
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/112:25 pmSTL - DEN
1 stop5h 25mDelta
Wed 12/186:29 pmDEN - STL
1 stop5h 36mDelta
Deal found 11/20$216
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 12/74:31 pmSTL - DEN
Nonstop2h 31mUnited Airlines
Tue 12/101:26 pmDEN - STL
Nonstop2h 03mUnited Airlines
Deal found 11/19$217
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:35 amSTL - DEN
Nonstop2h 25mSouthwest
Sun 12/156:10 amDEN - STL
Nonstop2h 10mSouthwest
Deal found 11/20$228
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/85:45 amSTL - DEN
1 stop5h 29mAmerican Airlines
Thu 12/126:00 amDEN - STL
1 stop5h 56mAmerican Airlines
Deal found 11/20$266

Find flights from St. Louis to Aurora within your budget

Customize your flight search to find flights from St. Louis to Aurora 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 12/7

6:46 pm-8:22 pm

Nonstop2h 36m

Denver Intl

Sat 12/14

5:05 am-8:13 am

Nonstop2h 08m

$67

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/15

8:27 am-10:05 am

Nonstop2h 38m

Denver Intl

Sun 1/19

9:40 am-12:48 pm

Nonstop2h 08m

$177

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 1/9

7:20 am-8:55 am

Nonstop2h 35m

Denver Intl

Mon 1/13

7:20 pm-10:20 pm

Nonstop2h 00m

$198

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 1/9

7:40 am-3:20 pm

1 stop8h 40m

Denver Intl

Mon 1/13

5:40 am-1:18 pm

1 stop6h 38m

$216

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 2/27

3:21 pm-11:49 pm

1 stop9h 28m

Denver Intl

Mon 3/3

6:00 am-9:16 am

Nonstop2h 16m

$230

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Fri 2/14

5:27 pm-11:57 pm

1 stop7h 30m

Denver Intl

Tue 2/18

8:06 am-2:52 pm

1 stop5h 46m

$262

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 12/19

10:09 pm-11:48 pm

Nonstop2h 39m

$46

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 1/14

4:36 pm-6:13 pm

Nonstop2h 37m

$79

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/18

7:40 am-3:20 pm

1 stop8h 40m

$98

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 12/24

4:45 pm-6:10 pm

Nonstop2h 25m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 13 results
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Best time to book a flight from St. Louis to Aurora

Have a flexible travel schedule? Discover the best time to fly to Aurora from St. Louis 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.

Travel insights for flights from St. Louis to Aurora

Get recent, data-driven insights about flights from St. Louis to Aurora including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Aurora?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Aurora. Price data was last updated on November 15, 2024.

The price you pay for your flight from St. Louis to Aurora may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Aurora (average of $197). Flying from St. Louis to Aurora in March is currently the most expensive (average of $270). 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.

What is the cheapest time of day to fly from STL to 9UR?

Find hourly flight availability from St. Louis to Aurora. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from St. Louis to Aurora, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from St. Louis to Aurora?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Aurora. Price data was last updated on May 12, 2024.

Travelers seeking maximum savings on their St. Louis to Aurora flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Aurora

Explore weekly flight availability from St. Louis to Aurora. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from STL to 9UR are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Aurora by month

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

In terms of precipitation, rainfall in Aurora ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Aurora when rainfall is around 0.5 in.

Temperature in Aurora by month

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

If weather is an important factor for your trip to Aurora, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Aurora

Get insights into the airlines that provide service to Aurora. 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 Aurora. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with Frontier, United Airlines and Southwest from St. Louis to Aurora by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Related info for your journey

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

  • What airport do you fly from for flights from St. Louis to Aurora?

    If you book a flight to Aurora from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 11 flights from Lambert-St Louis to Aurora per day from 5 different airlines.

  • How popular is this St. Louis to Aurora flight route?

    Flights from Lambert-St Louis to Aurora have been viewed 219 times in the past calendar month.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $46. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from St. Louis to Aurora for a low price.

  • What are the most reliable airlines from St. Louis to Aurora?

    Consider Air Canada (87%), Frontier (85%) or United Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Aurora.

  • What are the cheapest flights from St. Louis to Aurora?

    On average you can expect to pay $873 for a flight from St. Louis to Aurora. The cheapest flight overall is $50 while the most popular route, (Lambert-St Louis - Denver Intl) is currently priced at $103.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Aurora 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 St. Louis to Aurora?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Aurora (average of $197). Flying from St. Louis to Aurora in March is currently the most expensive (average of $270). 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.

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Top 5 airlines flying from St. Louis to Aurora

Discover the top 5 airlines that operate flights from St. Louis to Aurora. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$118FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$151Average$352FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$311FlexibilityNo cancel feeOn-time63%
DeltaCheapest$175Average$291FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$192Average$308FlexibilityNo cancel feeOn-time71%
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