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Cheap flights from Manchester, New Hampshire to St. Louis from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Manchester, New Hampshire to St. Louis departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Manchester, New Hampshire to St. Louis

Cheap round-trip flights

Southwest Logo
5:30 am - 9:35 amMHT-STL
5h 05m1 stop
Southwest Logo
2:05 pm - 9:30 pmSTL-MHT
6h 25m1 stop
$204Southwest
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
3:59 pm - 9:06 pmMHT-STL
6h 07m1 stop
American Airlines Logo
6:05 am - 12:08 pmSTL-MHT
5h 03m1 stop
$215American Airlines
Find Deal
Mon, Sep 29 - Thu, Oct 2
Southwest Logo
1:10 pm - 6:55 pmMHT-STL
6h 45m2 stops
Southwest Logo
2:05 pm - 9:30 pmSTL-MHT
6h 25m1 stop
$234Southwest
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
6:00 am - 10:21 amMHT-STL
5h 21m1 stop
American Airlines Logo
6:05 am - 12:08 pmSTL-MHT
5h 03m1 stop
$243American Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
United Airlines Logo
9:40 am - 9:10 pmMHT-STL
12h 30m2 stops
United Airlines Logo
1:27 pm - 11:59 pmSTL-MHT
9h 32m2 stops
$253United Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
9:15 am - 12:45 pmMHT-STL
4h 30m1 stop
Southwest Logo
4:15 pm - 11:25 pmSTL-MHT
6h 10m1 stop
$267Southwest
Find Deal
Tue, Aug 26 - Fri, Aug 29
American Airlines Logo
12:25 pm - 4:09 pmMHT-STL
4h 44m1 stop
American Airlines Logo
5:56 pm - 11:48 pmSTL-MHT
4h 52m1 stop
$269American Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
American Airlines Logo
5:59 pm - 9:53 pmMHT-STL
4h 54m1 stop
American Airlines Logo
6:05 am - 12:08 pmSTL-MHT
5h 03m1 stop
$271American Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
1:30 pm - 11:44 pmMHT-STL
11h 14m2 stops
United Airlines Logo
5:30 pm - 2:57 pmSTL-MHT
20h 27m2 stops
$401United Airlines
Find Deal
Tue, Sep 9 - Fri, Sep 12
United Airlines Logo
1:30 pm - 6:59 pmMHT-STL
6h 29m1 stop
United Airlines Logo
5:30 pm - 2:57 pmSTL-MHT
20h 27m2 stops
$434United Airlines
Find Deal
Tue, Sep 9 - Fri, Sep 12

American Airlines flights from Manchester, New Hampshire to St. Louis

Our best American Airlines deals on Manchester, New Hampshire to St. Louis flight tickets
American Airlines
Sep 29
MHT3:59 pmManchester
6h 07m
1 stop
STL9:06 pmLambert-St Louis
Oct 2
STL6:05 amLambert-St Louis
5h 03m
1 stop
MHT12:08 pmManchester
$215
Find similar
American Airlines
Sep 18
MHT6:00 amManchester
5h 21m
1 stop
STL10:21 amLambert-St Louis
Sep 21
STL6:05 amLambert-St Louis
5h 03m
1 stop
MHT12:08 pmManchester
$243
Find similar
American Airlines
Oct 31
MHT12:25 pmManchester
4h 44m
1 stop
STL4:09 pmLambert-St Louis
Nov 7
STL5:56 pmLambert-St Louis
4h 52m
1 stop
MHT11:48 pmManchester
$269
Find similar

Southwest flights from Manchester, New Hampshire to St. Louis

Our best Southwest deals on Manchester, New Hampshire to St. Louis flight tickets
Southwest
Sep 17
MHT5:30 amManchester
5h 05m
1 stop
STL9:35 amLambert-St Louis
Sep 24
STL2:05 pmLambert-St Louis
6h 25m
1 stop
MHT9:30 pmManchester
$204
Find similar
Southwest
Sep 17
MHT1:10 pmManchester
6h 45m
2 stops
STL6:55 pmLambert-St Louis
Sep 24
STL2:05 pmLambert-St Louis
6h 25m
1 stop
MHT9:30 pmManchester
$234
Find similar
Southwest
Aug 26
MHT9:15 amManchester
4h 30m
1 stop
STL12:45 pmLambert-St Louis
Aug 29
STL4:15 pmLambert-St Louis
6h 10m
1 stop
MHT11:25 pmManchester
$267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Manchester, New Hampshire 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, momondo users made 832,500 searches. Data last updated August 6, 2025.
Use the filters below to find and compare flights from Manchester, New Hampshire to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Wed 9/17

5:30 am-9:35 am

1 stop5h 05m

Lambert-St Louis

Wed 9/24

2:05 pm-9:30 pm

1 stop6h 25m

$204

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Mon 9/29

3:59 pm-9:06 pm

1 stop6h 07m

Lambert-St Louis

Thu 10/2

6:05 am-12:08 pm

1 stop5h 03m

$215

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Wed 9/17

1:10 pm-6:55 pm

2 stops6h 45m

Lambert-St Louis

Wed 9/24

2:05 pm-9:30 pm

1 stop6h 25m

$234

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Thu 9/18

6:00 am-10:21 am

1 stop5h 21m

Lambert-St Louis

Sun 9/21

6:05 am-12:08 pm

1 stop5h 03m

$243

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Sat 1/17

9:40 am-9:10 pm

2 stops12h 30m

Lambert-St Louis

Sun 1/18

1:27 pm-11:59 pm

2 stops9h 32m

$253

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 8/26

9:15 am-12:45 pm

1 stop4h 30m

Lambert-St Louis

Fri 8/29

4:15 pm-11:25 pm

1 stop6h 10m

$267

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Fri 10/31

12:25 pm-4:09 pm

1 stop4h 44m

Lambert-St Louis

Fri 11/7

5:56 pm-11:48 pm

1 stop4h 52m

$269

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Fri 9/26

5:59 pm-9:53 pm

1 stop4h 54m

Lambert-St Louis

Sun 9/28

6:05 am-12:08 pm

1 stop5h 03m

$271

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 9/9

1:30 pm-11:44 pm

2 stops11h 14m

Lambert-St Louis

Fri 9/12

5:30 pm-2:57 pm

2 stops20h 27m

$401

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 9/9

1:30 pm-6:59 pm

1 stop6h 29m

Lambert-St Louis

Fri 9/12

5:30 pm-2:57 pm

2 stops20h 27m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Manchester, New Hampshire to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, September is the cheapest month to fly from Manchester, New Hampshire to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $321. The month of January is another great option to travel to St. Louis, with average flight prices from Manchester, New Hampshire averaging around $386.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $420. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $503. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Manchester, New Hampshire in the evening is the least expensive time of day to depart. momondo users have found prices as low as $430 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $456 per ticket.

Can stopping save me money on Manchester, New Hampshire to St. Louis flights?

You could potentially save up to 55% on your flight if you consider stops on a Manchester, New Hampshire to St. Louis flight.

How have Manchester, New Hampshire to St. Louis flight prices changed over time?

As of August 2025, prices for Manchester, New Hampshire to St. Louis flights are approximately 49% cheaper when compared to flights at the same time last year.

When to book flights from Manchester, New Hampshire to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Manchester, New Hampshire to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Manchester, New Hampshire to St. Louis (MHT to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Manchester, New Hampshire to St. Louis

Best Price Found

$136

Fastest flight time

4h 30m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Manchester, New Hampshire in the past 72 hours is $136. The best round-trip flight deal from Manchester, New Hampshire to St. Louis found on momondo in the last 72 hours is $204.
The fastest flight from Manchester, New Hampshire to St. Louis takes 4h 30m
There are no direct flights from Manchester, New Hampshire to St. Louis. Popular non-direct route for this connection is Manchester Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
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  • How far is Manchester to Lambert-St Louis by plane?

    Manchester and Lambert-St Louis are 1022.3 mi apart from one another. Flights usually cover this in 4h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Manchester Airport to Lambert-St Louis Airport?

    Prices for flights from Manchester Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Manchester Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Manchester Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Manchester Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Manchester, New Hampshire to St. Louis?

Best airlines flying from Manchester, New Hampshire to St. Louis

Compare and see reviews for airlines that fly from Manchester, New Hampshire to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $264Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
Fenton
O'Fallon
Collinsville
Alton
Wentzville
St. Peters
Farmington
Festus
Glencoe
Eureka
Edwardsville
Clayton
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Manchester to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Manchester.

Can I find flights from Manchester to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Manchester which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Manchester to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Manchester. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Manchester to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Manchester are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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