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Cheap flights from Manchester, New Hampshire to St. Louis from $143

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 6/4. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Manchester, New Hampshire to St. Louis.
Southwest Logo
7:10 pm - 11:45 pmMHT-STL
5h 35m1 stop
Southwest Logo
3:20 pm - 11:20 pmSTL-MHT
7h 00m1 stop
$319Southwest
Find Deal
Thu, Jun 5 - Thu, Jun 12
Southwest Logo
5:30 pm - 10:20 pmMHT-STL
5h 50m1 stop
Southwest Logo
1:50 pm - 11:25 pmSTL-MHT
8h 35m2 stops
$324Southwest
Find Deal
Thu, Sep 4 - Thu, Sep 11
American Airlines Logo
5:29 am - 11:52 amMHT-STL
7h 23m1 stop
American Airlines Logo
5:12 am - 12:27 pmSTL-MHT
6h 15m1 stop
$327American Airlines
Find Deal
Sat, May 24 - Mon, May 26
Southwest Logo
5:10 am - 12:20 pmMHT-STL
8h 10m2 stops
Southwest Logo
3:20 pm - 11:20 pmSTL-MHT
7h 00m1 stop
$358Southwest
Find Deal
Thu, Jun 5 - Thu, Jun 12
Southwest Logo
5:50 am - 11:30 amMHT-STL
6h 40m1 stop
Southwest Logo
5:30 am - 12:10 pmSTL-MHT
5h 40m1 stop
$370Southwest
Find Deal
Fri, Sep 26 - Sun, Sep 28
American Airlines Logo
5:29 am - 9:42 amMHT-STL
5h 13m1 stop
American Airlines Logo
5:00 am - 11:51 amSTL-MHT
5h 51m1 stop
$400American Airlines
Find Deal
Thu, May 15 - Sun, May 18
 Logo
1:06 pm - 11:45 amMHT-STL
47h 39m3 stops
 Logo
7:30 am - 11:20 amSTL-MHT
26h 50m2 stops
Thu, May 15 - Sun, May 18
 Logo
1:06 pm - 11:45 amMHT-STL
47h 39m3 stops
 Logo
7:30 am - 11:20 amSTL-MHT
26h 50m3 stops
Thu, May 15 - Sun, May 18
United Airlines Logo
6:45 pm - 9:58 amMHT-STL
16h 13m1 stop
United Airlines Logo
8:25 am - 3:03 pmSTL-MHT
5h 38m1 stop
$588United Airlines
Find Deal
Fri, Apr 18 - Sun, Apr 20
United Airlines Logo
9:45 am - 11:59 pmMHT-STL
15h 14m2 stops
United Airlines Logo
1:10 pm - 11:58 pmSTL-MHT
9h 48m2 stops
$602United Airlines
Find Deal
Sun, May 4 - Mon, May 5

Southwest flights from Manchester, New Hampshire to St. Louis

Our best Southwest deals on Manchester, New Hampshire to St. Louis flight tickets
Southwest
Jun 5
MHT7:10 pmManchester
5h 35m
1 stop
STL11:45 pmLambert-St Louis
Jun 12
STL3:20 pmLambert-St Louis
7h 00m
1 stop
MHT11:20 pmManchester
Southwest
Sep 4
MHT5:30 pmManchester
5h 50m
1 stop
STL10:20 pmLambert-St Louis
Sep 11
STL1:50 pmLambert-St Louis
8h 35m
2 stops
MHT11:25 pmManchester
Southwest
Jun 5
MHT5:10 amManchester
8h 10m
2 stops
STL12:20 pmLambert-St Louis
Jun 12
STL3:20 pmLambert-St Louis
7h 00m
1 stop
MHT11:20 pmManchester

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 24
MHT5:29 amManchester
7h 23m
1 stop
STL11:52 amLambert-St Louis
May 26
STL5:12 amLambert-St Louis
6h 15m
1 stop
MHT12:27 pmManchester
American Airlines
May 15
MHT5:29 amManchester
5h 13m
1 stop
STL9:42 amLambert-St Louis
May 18
STL5:00 amLambert-St Louis
5h 51m
1 stop
MHT11:51 amManchester
American Airlines
Apr 17
MHT5:32 amManchester
5h 20m
1 stop
STL9:52 amLambert-St Louis
Apr 21
STL6:13 amLambert-St Louis
6h 48m
1 stop
MHT2:01 pmManchester

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 $316. 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 Tuesday when prices can be found for as low as $421. 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 $523. 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 $422 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 $454 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Manchester, New Hampshire when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $430 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Manchester, New Hampshire for as low as $309 on momondo.

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

As of April 2025, prices for Manchester, New Hampshire to St. Louis flights are approximately 13% 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

$143

Fastest flight time

5h 13m

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 $143. The best round-trip flight deal from Manchester, New Hampshire to St. Louis found on momondo in the last 72 hours is $319.
The fastest flight from Manchester, New Hampshire to St. Louis takes 5h 13m
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)

  • 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 5h 13m, 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
American AirlinesPriceFrom $253Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $264Free CancellationRating
8.0
4,274 reviews
Search Southwest 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
Florissant
Fairview Heights
Maryland Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Festus
Edwardsville
Clayton
Grafton
Litchfield

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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