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St. Louis

$194+ Cheap flights from Manchester, NH to St. Louis (MHT - 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — STL
Jun 24 — Jul 11
Tue 6/24
Tue 7/1
1 adult, Economy
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Cheap flight deals from Manchester to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Manchester (MHT) 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 19, 2025.

Round-trip from

$272
(Southwest)

One-way from

$194
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$446
From Manchester to Lambert-St Louis
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One-way flight from Manchester to Lambert-St Louis
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 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 Manchester to St. Louis

Cheapest flights from Manchester to St. Louis
Explore the most affordable flight options available from Manchester to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2025.

This Southwest deal was found by Cheapflights users on 6/18. 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.
Tue 8/125:30 amMHT - STL
1 stop5h 05mSouthwest
Sat 8/1610:30 amSTL - MHT
2 stops5h 30mSouthwest
Deal found 6/18$272
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/3012:13 pmMHT - STL
1 stop5h 34mAmerican Airlines
Fri 8/16:00 amSTL - MHT
1 stop6h 02mAmerican Airlines
Deal found 6/17$327
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/302:00 pmMHT - STL
2 stops23h 27mUnited Airlines
Fri 8/15:30 pmSTL - MHT
2 stops29h 29mUnited Airlines
Deal found 6/17$548

Cheapflights Fare Finder

Customize your flight search to find flights from Manchester 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 19, 2025.
Use the filters below to find and compare flights from Manchester to St. Louis that are best for you.

Fly from

Manchester

Fly to

St. Louis

Route

Depart

Return

Price

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 8/12

5:30 am-9:35 am

1 stop5h 05m

Lambert-St Louis

Sat 8/16

10:30 am-5:00 pm

2 stops5h 30m

$272

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Wed 7/30

12:13 pm-4:47 pm

1 stop5h 34m

Lambert-St Louis

Fri 8/1

6:00 am-1:02 pm

1 stop6h 02m

$327

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Fri 7/4

2:00 pm-9:35 pm

2 stops8h 35m

Lambert-St Louis

Tue 7/8

5:00 am-2:59 pm

2 stops8h 59m

$487

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Sun 7/27

8:00 am-12:34 pm

1 stop5h 34m

$194

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Mon 7/28

6:20 am-1:00 pm

2 stops7h 40m

$229

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Wed 6/25

6:44 pm-5:04 pm

2 stops23h 20m

$336

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Fri 9/5

1:30 pm-6:59 pm

1 stop6h 29m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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

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

What is the cheapest month to book a flight from Manchester, New Hampshire to St. Louis?

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

Find hourly flight availability from Manchester 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 19, 2025.

A simple way to save on the total cost of your ticket is to fly from Manchester, New Hampshire to St. Louis in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

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 19, 2025.
See what other customers who have flown with Southwest, United Airlines and American Airlines from Manchester to St. Louis have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,282 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,810 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,282 reviews

Crew

8.6

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Manchester 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 Manchester, New Hampshire to St. Louis round-trip?

    Currently priced at $272, Southwest will fly you from Manchester, New Hampshire to St. Louis and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $327 and $487, respectively. Southwest is currently priced 34% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Manchester, New Hampshire to St. Louis one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $194. Southwest flights start at $229 while deals on United Airlines start at $440 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Manchester 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 Manchester, New Hampshire to St. Louis?

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

Book flights to Manchester 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 2 airlines flying from Manchester to St. Louis

Discover the top 2 airlines that operate flights from Manchester 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 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$252Average$390FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$264Average$433FlexibilityNo cancel feeOn-time63%

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