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$237+ Cheap flights from Roanoke to St. Louis (ROA - 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Roanoke to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Roanoke (ROA) 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

$249
(Delta)

One-way from

$237
(Delta)

Popular in

July

Cheapest in

August

Average price

$363
From Roanoke to Lambert-St Louis
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One-way flight from Roanoke to Lambert-St Louis
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Roanoke to St. Louis

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

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.
Wed 7/167:05 amROA - STL
1 stop5h 29mDelta
Sun 7/205:23 pmSTL - ROA
1 stop6h 09mDelta
Deal found 6/11$249
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 6/256:18 pmROA - STL
1 stop6h 41mAmerican Airlines
Sun 6/296:20 amSTL - ROA
1 stop6h 52mAmerican Airlines
Deal found 6/10$259
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/157:00 amROA - STL
1 stop6h 27mUnited Airlines
Mon 8/186:15 pmSTL - ROA
2 stops18h 48mUnited Airlines
Deal found 6/9$432

Cheapflights Fare Finder

Customize your flight search to find flights from Roanoke 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 Roanoke to St. Louis that are best for you.

Fly from

Roanoke

Fly to

St. Louis

Route

Depart

Return

Price

RoanokeSt. Louis

ROA - STL

ROASTL

Roanoke

Wed 7/16

7:05 am-11:34 am

1 stop5h 29m

Lambert-St Louis

Sun 7/20

5:23 pm-12:32 am

1 stop6h 09m

$249

RoanokeSt. Louis

ROA - STL

ROASTL

Roanoke

Wed 6/25

6:18 pm-11:59 pm

1 stop6h 41m

Lambert-St Louis

Sun 6/29

6:20 am-2:12 pm

1 stop6h 52m

$259

RoanokeSt. Louis

ROA - STL

ROASTL

Roanoke

Fri 8/15

7:00 am-12:27 pm

1 stop6h 27m

Lambert-St Louis

Mon 8/18

6:15 pm-2:03 pm

2 stops18h 48m

$432

RoanokeSt. Louis

ROA - STL

ROASTL

Roanoke

Tue 6/24

8:13 pm-11:36 pm

1 stop4h 23m

$237

RoanokeSt. Louis

ROA - STL

ROASTL

Roanoke

Sun 10/12

8:18 am-3:05 pm

1 stop7h 47m

$270

RoanokeSt. Louis

ROA - STL

ROASTL

Roanoke

Wed 7/9

5:42 pm-10:45 pm

1 stop6h 03m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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

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

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

Currently, August is the cheapest month in which you can book a flight from Roanoke to St. Louis (average of $311). Flying from Roanoke 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.

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

Find hourly flight availability from Roanoke to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Roanoke to St. Louis in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Roanoke to St. Louis. Price data was last updated on December 16, 2024.

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

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.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Roanoke 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 Roanoke to St. Louis round-trip?

    Cheapflights users have booked flights from Roanoke to St. Louis round-trip from $249. Other airlines that can offer you cheap pricing are American Airlines, from $259, and United Airlines, from $432. These flights start at 30% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $237 on Delta. Other airlines that offer cheap prices include American Airlines from $270 and United Airlines from $362 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Roanoke to St. Louis (average of $311). Flying from Roanoke 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 Roanoke?

Book flights to Roanoke 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 3 airlines flying from Roanoke to St. Louis

Discover the top 3 airlines that operate flights from Roanoke 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
American AirlinesCheapest$248Average$375FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$334FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$368FlexibilityNo cancel feeOn-time69%

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