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Cheap flights from Manchester, New Hampshire to St. Louis from $211

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 5/20. 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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0 bags

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Find the cheapest flights from Manchester, New Hampshire to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
3:45 pm - 9:05 pm
MHT
-
STL
6h 20m
1 stop
Southwest Logo
1:45 pm - 9:05 pm
STL
-
MHT
6h 20m
1 stop
$307Southwest
Tue, May 26 - Tue, Jun 2
American Airlines Logo
5:59 pm - 11:54 pm
MHT
-
STL
6h 55m
1 stop
American Airlines Logo
6:00 am - 11:50 am
STL
-
MHT
4h 50m
1 stop
$319American Airlines
Thu, May 21 - Tue, May 26
Southwest Logo
5:30 am - 10:50 am
MHT
-
STL
6h 20m
1 stop
Southwest Logo
5:20 pm - 12:05 am
STL
-
MHT
5h 45m
1 stop
$331Southwest
Mon, Jun 1 - Thu, Jun 4
Southwest Logo
1:45 pm - 7:55 pm
MHT
-
STL
7h 10m
1 stop
Southwest Logo
4:00 pm - 11:30 pm
STL
-
MHT
6h 30m
1 stop
$337Southwest
Tue, May 19 - Fri, May 29
Southwest Logo
5:30 am - 3:30 pm
MHT
-
STL
11h 00m
2 stops
Southwest Logo
5:20 pm - 12:05 am
STL
-
MHT
5h 45m
1 stop
$342Southwest
Mon, Jun 1 - Thu, Jun 4
American Airlines Logo
7:30 pm - 11:59 pm
MHT
-
STL
5h 29m
1 stop
American Airlines Logo
6:00 am - 11:50 am
STL
-
MHT
4h 50m
1 stop
$349American Airlines
Thu, May 21 - Sun, May 24
Southwest Logo
7:30 am - 11:30 am
MHT
-
STL
5h 00m
1 stop
Southwest Logo
11:35 am - 9:05 pm
STL
-
MHT
8h 30m
2 stops
$357Southwest
Tue, May 26 - Tue, Jun 2
American Airlines Logo
5:59 pm - 11:54 pm
MHT
-
STL
6h 55m
1 stop
American Airlines Logo
5:14 am - 11:33 am
STL
-
MHT
5h 19m
1 stop
$367American Airlines
Sun, May 31 - Tue, Jun 2
Southwest Logo
1:45 pm - 7:55 pm
MHT
-
STL
7h 10m
1 stop
Southwest Logo
9:05 am - 3:00 pm
STL
-
MHT
4h 55m
1 stop
$379Southwest
Tue, Jun 2 - Sun, Jun 7
Southwest Logo
7:10 pm - 10:45 pm
MHT
-
STL
4h 35m
1 stop
Southwest Logo
1:45 pm - 10:30 pm
STL
-
MHT
7h 45m
2 stops
$384Southwest
Thu, May 21 - Tue, May 26

Southwest flights from Manchester, New Hampshire to St. Louis

Our best Southwest deals on Manchester, New Hampshire to St. Louis flight tickets
Southwest
May 26
MHT3:45 pmManchester
6h 20m
1 stop
STL9:05 pmLambert-St Louis
Jun 2
STL1:45 pmLambert-St Louis
6h 20m
1 stop
MHT9:05 pmManchester
$307
Southwest
Jun 1
MHT5:30 amManchester
6h 20m
1 stop
STL10:50 amLambert-St Louis
Jun 4
STL5:20 pmLambert-St Louis
5h 45m
1 stop
MHT12:05 amManchester
$331
Southwest
Jun 1
MHT5:30 amManchester
11h 00m
2 stops
STL3:30 pmLambert-St Louis
Jun 4
STL5:20 pmLambert-St Louis
5h 45m
1 stop
MHT12:05 amManchester
$342

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
May 21
MHT5:59 pmManchester
6h 55m
1 stop
STL11:54 pmLambert-St Louis
May 26
STL6:00 amLambert-St Louis
4h 50m
1 stop
MHT11:50 amManchester
$319
American Airlines
May 19
MHT1:58 pmManchester
6h 32m
1 stop
STL7:30 pmLambert-St Louis
May 24
STL6:00 amLambert-St Louis
4h 50m
1 stop
MHT11:50 amManchester
$337
American Airlines
May 21
MHT7:30 pmManchester
5h 29m
1 stop
STL11:59 pmLambert-St Louis
May 24
STL6:00 amLambert-St Louis
4h 50m
1 stop
MHT11:50 amManchester
$349

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 April 28, 2026.
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

Cheapest round-trip

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 5/26

3:45 pm-9:05 pm

1 stop6h 20m

Lambert-St Louis

Tue 6/2

1:45 pm-9:05 pm

1 stop6h 20m

$307

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Thu 5/21

5:59 pm-11:54 pm

1 stop6h 55m

Lambert-St Louis

Tue 5/26

6:00 am-11:50 am

1 stop4h 50m

$319

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Mon 6/1

5:30 am-10:50 am

1 stop6h 20m

Lambert-St Louis

Thu 6/4

5:20 pm-12:05 am

1 stop5h 45m

$331

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 5/19

1:45 pm-7:55 pm

1 stop7h 10m

Lambert-St Louis

Fri 5/29

4:00 pm-11:30 pm

1 stop6h 30m

$337

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Mon 6/1

5:30 am-3:30 pm

2 stops11h 00m

Lambert-St Louis

Thu 6/4

5:20 pm-12:05 am

1 stop5h 45m

$342
Quickest round-trip

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Thu 5/21

7:30 pm-11:59 pm

1 stop5h 29m

Lambert-St Louis

Sun 5/24

6:00 am-11:50 am

1 stop4h 50m

$349

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 5/26

7:30 am-11:30 am

1 stop5h 00m

Lambert-St Louis

Tue 6/2

11:35 am-9:05 pm

2 stops8h 30m

$357

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Sun 5/31

5:59 pm-11:54 pm

1 stop6h 55m

Lambert-St Louis

Tue 6/2

5:14 am-11:33 am

1 stop5h 19m

$367

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 6/2

1:45 pm-7:55 pm

1 stop7h 10m

Lambert-St Louis

Sun 6/7

9:05 am-3:00 pm

1 stop4h 55m

$379

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Thu 5/21

7:10 pm-10:45 pm

1 stop4h 35m

Lambert-St Louis

Tue 5/26

1:45 pm-10:30 pm

2 stops7h 45m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Manchester, New Hampshire and St. Louis?

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 $338. The month of February is another great option to travel to St. Louis, with average flight prices from Manchester, New Hampshire averaging around $345.

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 Thursday when prices can be found for as low as $425. 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 $506. 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 $435 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 $478 per ticket.

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

You could potentially save up to 59% on your flight if you consider stops on a Manchester, New Hampshire to St. Louis flight.

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

Fastest flight time

4h 25m

Direct flights

None
The fastest flight from Manchester, New Hampshire to St. Louis takes 4h 25m
There are no direct flights from Manchester, New Hampshire to St. Louis. There are no popular flight routes from Manchester, New Hampshire to St. Louis.
Search flight deals

Frequently asked questions about flying from Manchester, New Hampshire to St. Louis

  • 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 25m, 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 $200Free CancellationRating
8.0
4,314 reviews
Search Southwest flights
American AirlinesPriceFrom $274Free CancellationRating
7.1
11,676 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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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