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$265+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MHT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/266:35 pmSTL - MHT
1 stop5h 10mAmerican Airlines
Tue 12/306:00 amMHT - STL
1 stop8h 14mAmerican Airlines
Deal found 12/10$512
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/305:00 amSTL - MHT
1 stop6h 05mAmerican Airlines
Mon 1/55:21 pmMHT - STL
1 stop17h 03mAmerican Airlines
Deal found 12/11$547
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/308:15 amSTL - MHT
1 stop4h 33mUnited Airlines
Mon 1/57:26 pmMHT - STL
2 stops26h 47mUnited Airlines
Deal found 12/11$582
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/156:00 pmSTL - MHT
1 stop4h 57mAmerican Airlines
Fri 12/195:23 pmMHT - STL
1 stop6h 21mAmerican Airlines
Deal found 12/11$887
This Southwest deal was found by Cheapflights users on 12/11. 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 12/157:45 amSTL - MHT
1 stop6h 10mSouthwest
Fri 12/196:45 amMHT - STL
2 stops8h 40mSouthwest
Deal found 12/11$892
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/269:55 amSTL - MHT
2 stops26h 53mUnited Airlines
Tue 12/307:26 pmMHT - STL
2 stops20h 00mUnited Airlines
Deal found 12/10$1,016
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/148:30 amSTL - MHT
1 stop4h 27mUnited Airlines
Thu 12/182:23 pmMHT - STL
2 stops9h 20mUnited Airlines
Deal found 12/10$1,252

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Southwest)

Popular in

December

Cheapest in

May

Average price

$543
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. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

Sat 1/17

4:25 pm-10:05 pm

1 stop4h 40m

Manchester

Wed 1/21

3:25 pm-9:55 pm

2 stops7h 30m

$294

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 1/17

9:57 am-6:51 pm

2 stops7h 54m

Manchester

Wed 1/21

2:17 pm-9:13 pm

2 stops7h 56m

$299

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Fri 5/15

6:28 am-11:38 am

1 stop4h 10m

Manchester

Mon 5/18

5:06 pm-10:25 pm

1 stop6h 19m

$425

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Tue 4/7

8:30 am-1:58 pm

1 stop4h 28m

Manchester

Tue 4/14

2:33 pm-11:50 pm

2 stops10h 17m

$432

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Thu 3/12

2:15 pm-10:05 pm

1 stop6h 50m

Manchester

Sat 3/21

4:50 pm-11:45 pm

1 stop7h 55m

$447

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Wed 1/7

12:44 pm-6:51 pm

1 stop5h 07m

Manchester

Sat 1/10

7:26 pm-10:58 pm

2 stops28h 32m

$523

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 5/16

5:18 pm-1:55 pm

2 stops19h 37m

$654

St. LouisManchester

STL - MHT

STLMHT

Lambert-St Louis

Sat 12/27

3:10 pm-1:48 pm

2 stops21h 38m

$995

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 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 $116). 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?

Find hourly flight availability from St. Louis to Manchester. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

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

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 December 12, 2025.
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
7.9
Good
4,253 reviews

Comfort

8.0

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Boarding

8.1

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Boarding

8.1

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
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Boarding

8.1

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 10m. Southwest provides one of the quickest options available for as low as $425. 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 $116). 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

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$200Average$404FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$256Average$386FlexibilityNo cancel feeOn-time71%

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