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$159+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MHT
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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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 February 23, 2026.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/77:45 am
STL
-
MHT
2 stops10h 11m
United Airlines
Tue 4/142:30 pm
MHT
-
STL
2 stops10h 27m
United Airlines
Deal found 2/20$298
This American Airlines deal was found by Cheapflights users on 2/21. 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 6/105:08 am
STL
-
MHT
1 stop5h 24m
American Airlines
Wed 6/106:03 pm
MHT
-
STL
1 stop6h 51m
American Airlines
Deal found 2/21$347
This Southwest deal was found by Cheapflights users on 2/19. 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.
Sat 3/2812:40 pm
STL
-
MHT
1 stop10h 35m
Southwest
Wed 4/14:20 pm
MHT
-
STL
2 stops7h 20m
Southwest
Deal found 2/19$358
This Southwest deal was found by Cheapflights users on 2/21. 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.
Wed 6/106:55 am
STL
-
MHT
1 stop4h 30m
Southwest
Wed 6/103:55 pm
MHT
-
STL
2 stops7h 30m
Southwest
Deal found 2/21$382
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 4/305:51 am
STL
-
MHT
1 stop4h 46m
American Airlines
Sun 5/36:00 am
MHT
-
STL
1 stop7h 48m
American Airlines
Deal found 2/19$383
This Southwest deal was found by Cheapflights users on 2/21. 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.
Mon 5/184:40 pm
STL
-
MHT
1 stop4h 15m
Southwest
Sat 5/232:10 pm
MHT
-
STL
2 stops8h 55m
Southwest
Deal found 2/21$388
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 4/47:45 am
STL
-
MHT
2 stops10h 11m
United Airlines
Fri 4/107:31 pm
MHT
-
STL
1 stop16h 00m
United Airlines
Deal found 2/21$406
This Southwest deal was found by Cheapflights users on 2/21. 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.
Mon 7/135:40 am
STL
-
MHT
1 stop4h 10m
Southwest
Thu 7/166:45 am
MHT
-
STL
1 stop6h 25m
Southwest
Deal found 2/21$407
This Southwest deal was found by Cheapflights users on 2/19. 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 5/17:45 pm
STL
-
MHT
1 stop11h 15m
Southwest
Mon 5/47:10 pm
MHT
-
STL
1 stop4h 35m
Southwest
Deal found 2/19$408

Find 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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(United Airlines)

One-way from

$159
(American Airlines)

Popular in

January

Cheapest in

May

Average price

$367
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
One-way flight from Lambert-St Louis to Manchester
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 23, 2026.
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

Tue 4/7

7:45 am-6:56 pm

2 stops10h 11m

Manchester

Tue 4/14

2:30 pm-11:57 pm

2 stops10h 27m

$298

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 3/28

3:25 pm-12:15 am

2 stops7h 50m

Manchester

Wed 4/1

4:20 pm-10:40 pm

2 stops7h 20m

$381

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Wed 6/10

6:55 am-12:25 pm

1 stop4h 30m

Manchester

Wed 6/10

3:55 pm-10:25 pm

2 stops7h 30m

$382

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Thu 4/30

5:51 am-11:37 am

1 stop4h 46m

Manchester

Sun 5/3

6:00 am-12:48 pm

1 stop7h 48m

$383

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Thu 4/30

5:51 am-11:37 am

1 stop4h 46m

Manchester

Fri 5/1

5:41 pm-10:17 pm

1 stop5h 36m

$383

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Mon 7/13

5:40 am-10:50 am

1 stop4h 10m

Manchester

Thu 7/16

6:45 am-12:10 pm

1 stop6h 25m

$407

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 5/1

7:45 pm-8:00 am

1 stop11h 15m

Manchester

Mon 5/4

7:10 pm-10:45 pm

1 stop4h 35m

$408

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Wed 6/10

5:40 am-10:50 am

1 stop4h 10m

Manchester

Sun 6/14

5:45 am-11:05 am

1 stop6h 20m

$412

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 5/22

1:45 pm-9:55 pm

1 stop7h 10m

Manchester

Thu 5/28

3:15 pm-10:55 pm

2 stops8h 40m

$412

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Thu 4/30

1:45 pm-9:55 pm

1 stop7h 10m

Manchester

Fri 5/1

3:15 pm-10:55 pm

2 stops8h 40m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Manchester, New Hampshire flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, September is the cheapest month in which you can book a flight from St. Louis to Manchester, New Hampshire (average of $177). Flying from St. Louis to Manchester, New Hampshire in March is currently the most expensive (average of $293). 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.

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 February 23, 2026.
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
4,300 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

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
4,300 reviews
Southwest
8.0
Very good
4,300 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

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
11,339 reviews
Southwest
8.0
Very good
4,300 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

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

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?

    A quick flight from St. Louis to Manchester, New Hampshire can take about 4h 46m. United Airlines provides one of the quickest options available for as low as $383. 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 $214 round trip. Southwest is priced at 50% 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, September is the cheapest month in which you can book a flight from St. Louis to Manchester, New Hampshire (average of $177). Flying from St. Louis to Manchester, New Hampshire in March is currently the most expensive (average of $293). 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

Traveling to a place near Manchester?

Book flights to Manchester if you plan to visit one of these locations
Keene

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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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$200Average$365FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$214Average$364FlexibilityNo cancel feeOn-time71%

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