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St. Louis

$75+ Cheap flights from New Hampshire to St. Louis (STL)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — STL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from New Hampshire to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from New Hampshire (USNH) to St. Louis (STL). 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 November 21, 2024.

Find flight deals from New Hampshire to St. Louis

Cheapest flights from New Hampshire to St. Louis
Explore the most affordable flight options available from New Hampshire to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:00 amBOS - STL
1 stop18h 24mFrontier
Mon 12/169:15 amSTL - BOS
1 stop14h 15mFrontier
Deal found 11/21$218
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1110:34 amBOS - STL
3 stops31h 11mMultiple Airlines
Sat 12/144:26 pmSTL - BOS
1 stop7h 12mMultiple Airlines
Deal found 11/20$232
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:00 pmBOS - STL
1 stop5h 43mDelta
Wed 12/255:55 pmSTL - BOS
1 stop4h 56mDelta
Deal found 11/20$236
This Mytrip deal was found by Cheapflights users on 11/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:10 pmBOS - STL
2 stops19h 11mSpirit Airlines
Sat 12/144:26 pmSTL - BOS
1 stop7h 12mSpirit Airlines
Deal found 11/21$247
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/139:13 pmPWM - STL
1 stop26h 33mFrontier
Sun 12/155:02 pmSTL - PWM
1 stop26h 12mFrontier
Deal found 11/20$258
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/1810:58 amBOS - STL
Nonstop3h 16mAmerican Airlines
Wed 12/182:30 pmSTL - BOS
1 stop8h 14mAmerican Airlines
Deal found 11/21$267
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/45:45 amBOS - STL
1 stop5h 31mUnited Airlines
Wed 12/1111:20 amSTL - BOS
1 stop4h 56mUnited Airlines
Deal found 11/20$296
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Tue 12/1712:05 pmMHT - STL
1 stop6h 17mAmerican Airlines
Mon 12/305:58 pmSTL - MHT
1 stop5h 42mAmerican Airlines
Deal found 11/21$379
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1311:40 amPWM - STL
2 stops8h 25mSouthwest
Sun 12/155:20 pmSTL - PWM
1 stop5h 35mSouthwest
Deal found 11/20$421
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/135:56 pmPWM - STL
2 stops22h 25mMultiple Airlines
Sun 12/154:26 pmSTL - PWM
2 stops17h 55mMultiple Airlines
Deal found 11/20$436
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:00 amPWM - STL
1 stop5h 36mDelta
Sat 12/75:00 pmSTL - PWM
1 stop6h 08mDelta
Deal found 11/20$446
This Southwest deal was found by Cheapflights users on 11/21. 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.
Fri 12/68:00 amBOS - STL
Nonstop3h 10mSouthwest
Sat 12/144:05 pmSTL - BOS
Nonstop2h 25mSouthwest
Deal found 11/21$460

Find flights from New Hampshire to St. Louis within your budget

Customize your flight search to find flights from 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, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Sun 1/5

7:51 pm-6:43 am

1 stop11h 52m

Lambert-St Louis

Sat 1/11

5:05 pm-6:08 pm

1 stop24h 03m

$213

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Fri 12/13

6:00 am-11:24 pm

1 stop18h 24m

Lambert-St Louis

Mon 12/16

9:15 am-12:30 am

1 stop14h 15m

$218

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 1/22

2:45 pm-7:09 pm

1 stop5h 24m

Lambert-St Louis

Thu 1/23

6:30 am-2:30 pm

2 stops7h 00m

$231

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 12/11

10:34 am-4:45 pm

3 stops31h 11m

Lambert-St Louis

Sat 12/14

4:26 pm-12:38 am

1 stop7h 12m

$232

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 12/24

5:00 pm-9:43 pm

1 stop5h 43m

Lambert-St Louis

Wed 12/25

5:55 pm-11:51 pm

1 stop4h 56m

$236

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Fri 12/6

9:10 pm-3:21 pm

2 stops19h 11m

Lambert-St Louis

Sat 12/14

4:26 pm-12:38 am

1 stop7h 12m

$247

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 12/18

10:58 am-1:14 pm

Nonstop3h 16m

Lambert-St Louis

Wed 12/18

2:30 pm-11:44 pm

1 stop8h 14m

$267

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Wed 1/29

5:36 am-10:24 am

1 stop5h 48m

Lambert-St Louis

Sat 2/1

6:00 am-2:31 pm

1 stop7h 31m

$314

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Sun 1/26

1:05 pm-7:35 pm

1 stop7h 30m

Lambert-St Louis

Sun 2/9

11:15 am-9:30 pm

2 stops9h 15m

$323

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Sun 1/5

7:00 am-11:56 am

1 stop5h 56m

Lambert-St Louis

Sat 1/11

7:15 am-7:24 pm

2 stops11h 09m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 32 results
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Best time to book a flight from New Hampshire to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from New Hampshire 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.

Travel insights for flights from New Hampshire to St. Louis

Get recent, data-driven insights about flights from New Hampshire to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from New Hampshire to St. Louis?

Currently, September is the cheapest month in which you can book a flight from New Hampshire to St. Louis (average of $308). Flying from New Hampshire to St. Louis in March is currently the most expensive (average of $357). 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 NH to STL?

Find hourly flight availability from New Hampshire to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to St. Louis as you normally would.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with Frontier, Delta and United Airlines from New Hampshire to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from New Hampshire?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from New Hampshire to St. Louis.

  • What are the cheapest airlines to fly from New Hampshire to St. Louis one-way?

    The cheapest airlines for a one-way flight from New Hampshire to St. Louis are Frontier ($75), Delta ($128), and Spirit Airlines ($131).

  • What are the most popular routes from New Hampshire to St. Louis?

    When deciding which route to take from New Hampshire to St. Louis consider Boston Logan Intl - Lambert-St Louis, Manchester - Lambert-St Louis or Portland - Lambert-St Louis as they are the most popular.

  • Can I find deals for flights from New Hampshire to St. Louis that include hotel bookings?

    Yes. In addition to deals on New Hampshire to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to St. Louis.

  • Can I find deals for business class flights from New Hampshire to St. Louis?

    Yes. Cheapflights offers flight deals from New Hampshire to St. Louis 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 New Hampshire to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from New Hampshire to St. Louis (average of $308). Flying from New Hampshire to St. Louis in March is currently the most expensive (average of $357). 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

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Alternative routes for New Hampshire to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from New Hampshire to St. Louis

Discover the top 2 airlines that operate flights from New Hampshire to St. Louis. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$437FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$316Average$396FlexibilityNo cancel feeOn-time63%
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