Cheap flights from Missoula to St. Louis (MSO - STL) from $114

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MSO — STL
Jun 11 — Jun 181

Cheap flight deals from Missoula to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) 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 6, 2024.

Popular in

June

Cheapest in

August

Round-trip from

$318

One-way from

$145
High demand for flights, 25% potential price rise
Best time to find cheap flights, 37% potential price drop
From Missoula Johnson-Bell Field to Lambert-St Louis
One-way flight from Missoula Johnson-Bell Field to Lambert-St Louis

What is the cheapest day to fly round-trip from Missoula to St. Louis?

Flights from Missoula to St. Louis are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

What is the cheapest month to fly from Missoula to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to St. Louis. Flights to St. Louis from Missoula in August are about $561 on average during August, but can be found for as low as $334.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% on flights from Missoula to St. Louis by exploring options for tickets at noon.

Cheap Missoula to St. Louis flights in June & July 2024

Find cheap flight options from Missoula to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Scroll through some of the best deals on flights from Missoula to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Fri 7/126:18 pmMSO - STL
1 stop5h 37mDelta
Mon 7/156:30 pmSTL - MSO
1 stop6h 58mDelta
Deal found 6/6$448
Fri 7/126:18 pmMSO - STL
1 stop5h 37mDelta
Mon 7/153:49 pmSTL - MSO
2 stops9h 39mDelta
Deal found 6/6$478
Fri 7/125:25 pmMSO - STL
2 stops21h 15mUnited Airlines
Mon 7/155:30 pmSTL - MSO
2 stops28h 46mUnited Airlines
Deal found 6/6$530

Missoula to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Missoula and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Scroll through some of the best deals on flights from Missoula to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Wed 8/73:16 pmMSO - STL
1 stop27h 41mFrontier
Thu 8/153:53 pmSTL - MSO
1 stop23h 31mFrontier
Deal found 6/6$209
Fri 8/93:13 pmMSO - STL
1 stop17h 12mFrontier
Sat 8/1711:41 pmSTL - MSO
1 stop10h 56mFrontier
Deal found 6/6$245
Wed 8/73:16 pmMSO - STL
1 stop27h 41mFrontier
Fri 8/168:00 pmSTL - MSO
1 stop19h 24mFrontier
Deal found 6/6$278
Fri 8/93:13 pmMSO - STL
1 stop17h 12mFrontier
Fri 8/168:00 pmSTL - MSO
1 stop19h 24mFrontier
Deal found 6/6$314
Thu 8/812:37 pmMSO - STL
1 stop25h 55mAmerican Airlines
Fri 8/164:22 pmSTL - MSO
1 stop20h 53mAmerican Airlines
Deal found 6/6$355
Fri 10/113:14 pmMSO - STL
1 stop17h 23mFrontier
Sun 10/133:53 pmSTL - MSO
1 stop23h 31mFrontier
Deal found 6/5$382
Thu 8/812:37 pmMSO - STL
1 stop25h 55mAmerican Airlines
Fri 8/164:22 pmSTL - MSO
2 stops21h 17mAmerican Airlines
Deal found 6/6$397
Fri 8/92:25 pmMSO - STL
1 stop7h 17mAmerican Airlines
Sat 8/176:19 pmSTL - MSO
2 stops20h 28mAmerican Airlines
Deal found 6/6$444
Wed 8/71:31 pmMSO - STL
2 stops20h 08mAmerican Airlines
Thu 8/154:22 pmSTL - MSO
1 stop20h 45mAmerican Airlines
Deal found 6/6$446

One-way flights to St. Louis from Missoula

Search for one-way flight options from Missoula to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Users in need of a one-way flight from Missoula to St. Louis can choose from these deals. Those needing a return flight from Missoula to St. Louis can use the search form above.
Fri 6/282:54 pmMSO - STL
1 stop17h 35mFrontier
Deal found 6/5$114
Sat 6/293:10 pmMSO - STL
1 stop22h 27mFrontier
Deal found 6/5$145
Sun 6/306:18 pmMSO - STL
1 stop5h 40mDelta
Deal found 6/5$224
Sat 6/295:50 amMSO - STL
2 stops12h 29mDelta
Deal found 6/5$229
Thu 9/193:50 pmMSO - STL
2 stops20h 35mAlaska Airlines
Deal found 6/6$252
Fri 6/2810:06 pmMSO - STL
3 stops31h 59mMultiple Airlines
Deal found 6/5$262
Sat 6/2911:29 amMSO - STL
3 stops28h 03mMultiple Airlines
Deal found 6/5$275
Fri 6/2810:43 amMSO - STL
2 stops26h 53mUnited Airlines
Deal found 6/5$317
Sun 6/305:25 pmMSO - STL
2 stops19h 53mUnited Airlines
Deal found 6/5$368

Find flights from Missoula to St. Louis within your budget

Customize your flight search to find flights from Missoula 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$209 - $505

Route

Depart

Return

Price

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Wed 8/7

1 stop27h 41m

Lambert-St Louis

Thu 8/15

1 stop23h 31m

$209

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Fri 8/9

1 stop17h 12m

Lambert-St Louis

Sat 8/17

1 stop10h 56m

$245

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Wed 8/7

1 stop27h 41m

Lambert-St Louis

Fri 8/16

1 stop19h 24m

$278

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Fri 8/9

1 stop17h 12m

Lambert-St Louis

Fri 8/16

1 stop19h 24m

$314

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Thu 8/8

1 stop25h 55m

Lambert-St Louis

Fri 8/16

1 stop20h 53m

$355

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Thu 8/8

1 stop25h 55m

Lambert-St Louis

Fri 8/16

2 stops21h 17m

$397

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Thu 8/8

1 stop4h 57m

Lambert-St Louis

Sat 8/17

1 stop7h 46m

$448

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Fri 10/11

2 stops19h 05m

Lambert-St Louis

Sun 10/13

1 stop28h 29m

$477

Missoula Johnson-Bell FieldLambert-St Louis

MSO - STL

MSOSTL

Missoula Johnson-Bell Field

Thu 10/10

1 stop14h 45m

Lambert-St Louis

Mon 10/14

2 stops20h 50m

$505

Flights are sorted by cheapest first

Deals found on 6/6

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

Use this chart to determine the cheapest time to fly round-trip from Missoula to St. Louis. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Missoula to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

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

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °F

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 6, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and Frontier from Missoula to St. Louis to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

8.1
Very good
9,222 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

8.0
Very good
10,368 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

7.4
Good
10,696 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

7.3
Good
14,227 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

6.2
Okay
3,985 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Missoula to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Missoula to St. Louis for under $300 on Cheapflights?

    Yes, there are multiple flights from Missoula to St. Louis for under $300. The cheapest flight booked recently is on Frontier for just $209, but on average you can expect to pay $427.

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

    Our cheapest airline available from Missoula to St. Louis is Frontier. Our recent data shows that you can find tickets from as low as $209 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $355 and $448 round-trip. These flights start at 62% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $114 on Frontier. Other airlines that offer cheap prices include Delta from $224 and Alaska Airlines from $252 one-way.

  • What does MSO to STL mean?

    Great question - MSO to STL just means Missoula Johnson-Bell Field Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Missoula to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Missoula to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Missoula to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Missoula to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula 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.

  • Can I find deals for flights from Missoula to St. Louis that allow pets onboard?

    Many airlines flying from Missoula to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Missoula to St. Louis?

    Yes, you can often find last-minute deals on Missoula to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Missoula to St. Louis flight deals updated?

    The Missoula to St. Louis flight deals you see on this page were last updated on 6/6.

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

    Currently, September is the cheapest month in which you can book a flight from Missoula to St. Louis (average of $318). Flying from Missoula to St. Louis in July is currently the most expensive (average of $365). 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

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Top 2 airlines flying from Missoula to St. Louis

Discover the top 2 airlines that operate flights from Missoula 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$340Average$543FlexibilityNo cancel feeOn-time69%
DeltaCheapest$410Average$558FlexibilityNo cancel feeOn-timeN/A

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