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$126+ Cheap flights from St. Louis to Manchester, NH (STL - MHT)

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MHT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from St. Louis to Manchester

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Manchester (MHT). 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 July 3, 2025.

Round-trip from

$234
(American Airlines)

One-way from

$126
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$386
From Lambert-St Louis to Manchester
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One-way flight from Lambert-St Louis to Manchester
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Highest demand for flights based on searches. 16% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from St. Louis to Manchester

Cheapest flights from St. Louis to Manchester
Explore the most affordable flight options available from St. Louis to Manchester. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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 7/305:48 pmSTL - MHT
1 stop5h 11mAmerican Airlines
Wed 8/66:00 amMHT - STL
1 stop4h 40mAmerican Airlines
Deal found 7/1$234
This Southwest deal was found by Cheapflights users on 7/2. 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.
Fri 9/264:15 pmSTL - MHT
1 stop6h 10mSouthwest
Sun 9/285:40 pmMHT - STL
1 stop6h 25mSouthwest
Deal found 7/2$347
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 8/75:30 pmSTL - MHT
2 stops29h 29mUnited Airlines
Mon 8/116:45 pmMHT - STL
2 stops22h 02mUnited Airlines
Deal found 7/1$497
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1810:47 amSTL - MHT
3 stops30h 17mMultiple Airlines
Thu 7/246:25 pmMHT - STL
3 stops16h 27mMultiple Airlines
Deal found 7/1$597

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Manchester 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 July 3, 2025.
Use the filters below to find and compare flights from St. Louis to Manchester that are best for you.

Fly from

St. Louis

Fly to

Manchester

Route

Depart

Return

Price

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Wed 7/30

5:48 pm-11:59 pm

1 stop5h 11m

Manchester

Wed 8/6

6:00 am-9:40 am

1 stop4h 40m

$234

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 9/26

4:15 pm-11:25 pm

1 stop6h 10m

Manchester

Sun 9/28

5:40 pm-11:05 pm

1 stop6h 25m

$347

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Thu 8/7

5:30 pm-11:59 pm

2 stops29h 29m

Manchester

Mon 8/11

6:45 pm-3:47 pm

2 stops22h 02m

$497

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 7/18

10:47 am-6:04 pm

3 stops30h 17m

Manchester

Thu 7/24

6:25 pm-9:52 am

3 stops16h 27m

$597

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 8/16

6:00 am-11:58 am

1 stop4h 58m

$126

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 8/16

10:20 am-9:00 pm

2 stops9h 40m

$131

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Wed 7/30

6:33 am-2:59 pm

2 stops7h 26m

$269

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 7/26

10:45 am-5:45 pm

3 stops30h 00m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Manchester, New Hampshire (average of $334). Flying from St. Louis to Manchester, New Hampshire in April is currently the most expensive (average of $396). 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 MHT?

Find hourly flight availability from St. Louis to Manchester. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s optimal to fly from St. Louis to Manchester, New Hampshire at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from St. Louis to Manchester, New Hampshire?

Reviews of airlines servicing Manchester

Get insights into the airlines that provide service to Manchester. 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 Manchester. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from St. Louis to Manchester. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.6

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.2

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
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.6

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.2

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
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.6

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.2

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
4,266 reviews

Entertainment

7.6

Crew

8.6

Food

7.0

Comfort

8.0

Boarding

8.2

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 St. Louis to Manchester. 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 St. Louis to Manchester, New Hampshire round-trip?

    Flying on American Airlines is currently your cheapest option to Manchester, New Hampshire, with prices starting at $234. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $274 and $497, respectively. American Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from St. Louis to Manchester, New Hampshire for a low price.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Manchester, New Hampshire (average of $334). Flying from St. Louis to Manchester, New Hampshire in April is currently the most expensive (average of $396). 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 St. Louis to Manchester

Discover the top 2 airlines that operate flights from St. Louis to Manchester. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$272Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$286Average$394FlexibilityNo cancel feeOn-time71%

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