How long is the flight from St. Louis to Manchester, New Hampshire?

A quick flight from St. Louis to Manchester, New Hampshire can take about 9h 15m. United Airlines provides one of the quickest options available for as low as $417. Airlines will cover a distance of 1028 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from St. Louis to Manchester, New Hampshire round-trip?

Flying on Southwest is currently your cheapest option to Manchester, New Hampshire, with prices starting at $200. Another option worth looking into is American Airlines, starting at $256 round trip. Southwest is priced at 49% lower than the current average price of a flight leaving 3 months from now.

Most accurate provider : When it comes to deals on St. Louis-Manchester, New Hampshire flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Manchester, New Hampshire flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Manchester, New Hampshire flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Manchester, New Hampshire flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Manchester, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$350+ Flights from St. Louis to Manchester, NH

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Cheap 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 December 28, 2025.

Wed 12/315:00 amSTL - MHT

1 stop9h 47mAmerican Airlines

Sun 1/46:00 amMHT - STL

1 stop14h 30mAmerican Airlines

Deal found 12/26

$689

Wed 12/3112:45 pmSTL - MHT

2 stops8h 25mSouthwest

Sun 1/45:40 amMHT - STL

2 stops9h 45mSouthwest

Deal found 12/26

$897

Best flights from St. Louis to Manchester
Discover carefully curated flight deals from St. Louis to Manchester that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sat 1/178:05 amSTL - MHT

2 stops9h 46mUnited Airlines

Tue 1/202:17 pmMHT - STL

2 stops10h 42mUnited Airlines

Deal found 12/25

$373

Sat 2/145:00 amSTL - MHT

2 stops9h 15mSouthwest

Tue 2/177:40 amMHT - STL

2 stops9h 15mSouthwest

Deal found 12/26

$417

Fri 5/1510:48 amSTL - MHT

1 stop11h 44mAmerican Airlines

Mon 5/185:47 amMHT - STL

1 stop4h 53mAmerican Airlines

Deal found 12/26

$497

Tue 1/2012:44 pmSTL - MHT

1 stop5h 07mUnited Airlines

Wed 1/212:17 pmMHT - STL

1 stop6h 10mUnited Airlines

Deal found 12/26

$385

Tue 4/710:00 amSTL - MHT

2 stops7h 56mUnited Airlines

Tue 4/142:30 pmMHT - STL

2 stops10h 27mUnited Airlines

Deal found 12/27

$467

Fri 1/912:44 pmSTL - MHT

1 stop5h 07mUnited Airlines

Mon 1/122:17 pmMHT - STL

2 stops9h 41mUnited Airlines

Deal found 12/26

$572

Sat 4/48:30 amSTL - MHT

1 stop9h 26mUnited Airlines

Fri 4/107:31 pmMHT - STL

1 stop16h 00mUnited Airlines

Deal found 12/25

$618

Sat 4/48:21 amSTL - MHT

2 stops9h 35mUnited Airlines

Sat 4/117:31 pmMHT - STL

2 stops17h 51mUnited Airlines

Deal found 12/25

$628

Fri 4/39:10 amSTL - MHT

2 stops8h 46mUnited Airlines

Wed 4/87:31 pmMHT - STL

2 stops17h 51mUnited Airlines

Deal found 12/27

$641

Last-minute flights from St. Louis to Manchester
Discover last-minute flight deals from St. Louis to Manchester. Data last updated December 28, 2025 and is based on user searches.

Wed 12/315:00 amSTL - MHT

1 stop9h 47mAmerican Airlines

Sun 1/46:00 amMHT - STL

1 stop14h 30mAmerican Airlines

Deal found 12/26

$689

Mon 1/55:30 amSTL - MHT

1 stop4h 41mAmerican Airlines

Fri 1/95:01 pmMHT - STL

1 stop5h 50mAmerican Airlines

Deal found 12/26

$682

Fri 1/912:44 pmSTL - MHT

1 stop5h 07mUnited Airlines

Mon 1/122:17 pmMHT - STL

2 stops9h 41mUnited Airlines

Deal found 12/26

$572

Mon 1/126:52 amSTL - MHT

1 stop5h 25mAmerican Airlines

Fri 1/161:48 pmMHT - STL

1 stop5h 46mAmerican Airlines

Deal found 12/27

$487

Mon 1/1212:44 pmSTL - MHT

1 stop5h 07mUnited Airlines

Fri 1/167:26 pmMHT - STL

2 stops23h 17mUnited Airlines

Deal found 12/27

$575

Sat 1/178:05 amSTL - MHT

2 stops9h 46mUnited Airlines

Tue 1/202:17 pmMHT - STL

2 stops10h 42mUnited Airlines

Deal found 12/25

$373

Tue 1/209:57 amSTL - MHT

2 stops7h 54mUnited Airlines

Wed 1/212:17 pmMHT - STL

1 stop6h 10mUnited Airlines

Deal found 12/26

$350

One-way flights from St. Louis to Manchester
Search for one-way flight options from St. Louis to Manchester. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sat 1/31:05 pmSTL - MHT

1 stop4h 46mUnited Airlines

Deal found 12/27

$399

Sun 1/48:15 amSTL - MHT

1 stop4h 33mUnited Airlines

Deal found 12/27

$690

Find flight deals from St. Louis to Manchester

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$265 (American Airlines)
Popular in	December
Cheapest in	May
Average price	$567

Provider with most accurate pricing for Lambert-St Louis-Manchester flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Manchester flights.

Search Deals

From Lambert-St Louis to Manchester

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Manchester that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 1/17

8:05 am-6:51 pm

2 stops9h 46m

Manchester

Tue 1/20

2:17 pm-11:59 pm

2 stops10h 42m

$373

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Tue 1/20

12:44 pm-6:51 pm

1 stop5h 07m

Manchester

Wed 1/21

2:17 pm-7:27 pm

1 stop6h 10m

$385

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 2/14

5:00 am-3:15 pm

2 stops9h 15m

Manchester

Tue 2/17

7:40 am-3:55 pm

2 stops9h 15m

$417

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Tue 4/7

10:00 am-6:56 pm

2 stops7h 56m

Manchester

Tue 4/14

2:30 pm-11:57 pm

2 stops10h 27m

$467

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 5/15

10:48 am-11:32 pm

1 stop11h 44m

Manchester

Mon 5/18

5:47 am-9:40 am

1 stop4h 53m

$497

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 1/9

12:44 pm-6:51 pm

1 stop5h 07m

Manchester

Mon 1/12

2:17 pm-10:58 pm

2 stops9h 41m

$572

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 4/4

8:30 am-6:56 pm

1 stop9h 26m

Manchester

Fri 4/10

7:31 pm-10:31 am

1 stop16h 00m

$618

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 4/4

8:21 am-6:56 pm

2 stops9h 35m

Manchester

Sat 4/11

7:31 pm-12:22 pm

2 stops17h 51m

$628

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 4/3

9:10 am-6:56 pm

2 stops8h 46m

Manchester

Wed 4/8

7:31 pm-12:22 pm

2 stops17h 51m

$641

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 1/3

1:05 pm-6:51 pm

1 stop4h 46m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 11 results

Compare providers for flights from St. Louis to Manchester

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Manchester in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Manchester, New Hampshire flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Manchester, New Hampshire flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Manchester, New Hampshire flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Manchester, New Hampshire flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Manchester, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $122). Flying from St. Louis to Manchester, New Hampshire in June is currently the most expensive (average of $279). 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?

It’s optimal to fly from St. Louis to Manchester, New Hampshire in the evening. By choosing this option you can save up to 66% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Manchester

Read reviews from past customers who have flown Southwest 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

4,256 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,256 reviews

Southwest

8.0

Very good

4,256 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,072 reviews

Southwest

8.0

Very good

4,256 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from St. Louis to Manchester, New Hampshire?
A quick flight from St. Louis to Manchester, New Hampshire can take about 9h 15m. United Airlines provides one of the quickest options available for as low as $417. Airlines will cover a distance of 1028 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from St. Louis to Manchester, New Hampshire round-trip?
Flying on Southwest is currently your cheapest option to Manchester, New Hampshire, with prices starting at $200. Another option worth looking into is American Airlines, starting at $256 round trip. Southwest is priced at 49% lower than the current average price of a flight leaving 3 months from now.
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 $122). Flying from St. Louis to Manchester, New Hampshire in June is currently the most expensive (average of $279). 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

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$200	Average$384	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$256	Average$386	FlexibilityNo cancel fee	On-time71%

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$350+ Cheap flights from St. Louis to Manchester, NH (STL - MHT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Manchester with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Manchester

Cheapest flights from St. Louis to ManchesterExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from St. Louis to Manchester

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Manchester that are best for you.

Compare providers for flights from St. Louis to Manchester

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Manchester in December.

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.

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?

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

Reviews of airlines servicing Manchester

Read reviews from past customers who have flown Southwest 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.

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.

How long is the flight from St. Louis to Manchester, New Hampshire?

What are the cheapest airlines flying from St. Louis to Manchester, New Hampshire round-trip?

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

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

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

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

Traveling to a place near Manchester?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Manchester

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Manchester

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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 December 28, 2025.