St. Louis

$118+ Cheap flights from New Hampshire to St. Louis (STL)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — STL
Dec 24 — Dec 311
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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 December 19, 2024.

Round-trip from

$118
(CheapOair)
From New Hampshire to Lambert-St Louis

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 December 19, 2024.

This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:00 amBOS - STL
1 stop18h 28mFrontier
Tue 1/75:05 pmSTL - BOS
1 stop6h 25mFrontier
Deal found 12/18$217
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/316:25 amBOS - STL
Nonstop3h 17mAmerican Airlines
Tue 1/79:25 amSTL - BOS
Nonstop2h 40mAmerican Airlines
Deal found 12/18$361
This Delta deal was found by Cheapflights users on 12/18. 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 12/3112:20 pmBOS - STL
1 stop5h 39mDelta
Fri 1/37:15 amSTL - BOS
1 stop5h 49mDelta
Deal found 12/18$389
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/312:10 pmBOS - STL
1 stop7h 13mUnited Airlines
Tue 1/76:30 amSTL - BOS
2 stops9h 42mUnited Airlines
Deal found 12/18$399
This Southwest deal was found by Cheapflights users on 12/18. 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.
Tue 12/3112:20 pmBOS - STL
2 stops8h 05mSouthwest
Tue 1/77:50 amSTL - BOS
2 stops8h 10mSouthwest
Deal found 12/18$430
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:30 pmBOS - STL
2 stops19h 51mSpirit Airlines
Thu 1/234:28 pmSTL - BOS
1 stop17h 08mSpirit Airlines
Deal found 12/19$484
This FlightHub deal was found by Cheapflights users on 12/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/265:00 amBOS - STL
1 stop11h 21mMultiple Airlines
Mon 1/67:43 amSTL - BOS
1 stop16h 01mMultiple Airlines
Deal found 12/18$530
This Delta deal was found by Cheapflights users on 12/18. 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.
Mon 12/236:05 amPWM - STL
1 stop7h 04mDelta
Sun 12/295:17 pmSTL - PWM
1 stop5h 53mDelta
Deal found 12/18$826
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/174:34 pmMHT - STL
1 stop8h 25mAmerican Airlines
Mon 12/305:58 pmSTL - MHT
1 stop5h 42mAmerican Airlines
Deal found 12/17$826
This Southwest deal was found by Cheapflights users on 12/18. 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 12/2311:15 amPWM - STL
2 stops8h 30mSouthwest
Mon 12/303:10 pmSTL - PWM
1 stop7h 55mSouthwest
Deal found 12/18$831
This Southwest deal was found by Cheapflights users on 12/18. 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 12/237:50 amMHT - STL
1 stop7h 00mSouthwest
Mon 12/306:00 amSTL - MHT
2 stops5h 55mSouthwest
Deal found 12/18$831
This Mytrip deal was found by Cheapflights users on 12/18. 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.
Mon 12/235:56 pmPWM - STL
3 stops22h 53mMultiple Airlines
Mon 12/309:20 amSTL - PWM
3 stops30h 48mMultiple Airlines
Deal found 12/18$866

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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Mon 1/13

9:02 pm-11:27 pm

1 stop27h 25m

Lambert-St Louis

Sat 1/18

5:05 pm-6:16 pm

1 stop24h 11m

$118

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Sun 1/12

6:00 am-11:27 pm

1 stop18h 27m

Lambert-St Louis

Thu 1/16

4:28 pm-10:36 am

1 stop17h 08m

$201

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 1/9

5:45 am-2:43 pm

1 stop9h 58m

Lambert-St Louis

Sun 1/12

4:28 pm-2:45 pm

2 stops21h 17m

$215

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Tue 12/31

6:00 am-11:28 pm

1 stop18h 28m

Lambert-St Louis

Tue 1/7

5:05 pm-12:30 am

1 stop6h 25m

$217

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 1/16

5:20 am-9:36 am

1 stop5h 16m

Lambert-St Louis

Mon 1/20

1:35 pm-7:26 pm

1 stop4h 51m

$236

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Mon 1/13

5:45 am-3:38 pm

2 stops10h 53m

Lambert-St Louis

Thu 1/16

7:00 am-3:41 pm

1 stop7h 41m

$316

ManchesterSt. Louis

MHT - STL

MHTSTL

Manchester

Tue 1/21

5:34 am-12:43 pm

1 stop8h 09m

Lambert-St Louis

Tue 1/21

6:29 pm-12:43 am

1 stop5h 14m

$326

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Mon 1/13

6:55 am-9:10 am

Nonstop3h 15m

Lambert-St Louis

Thu 1/16

5:35 am-3:00 pm

1 stop8h 25m

$352

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Fri 1/17

6:30 am-8:54 am

Nonstop3h 24m

Lambert-St Louis

Sun 1/19

1:30 pm-5:10 pm

Nonstop2h 40m

$353

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Mon 1/13

6:00 am-3:44 pm

2 stops10h 44m

Lambert-St Louis

Sat 1/18

1:35 pm-7:24 pm

1 stop4h 49m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 26 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, August is the cheapest month in which you can book a flight from New Hampshire to St. Louis (average of $311). Flying from New Hampshire to St. Louis in March is currently the most expensive (average of $356). 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 December 19, 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 December 19, 2024.
Get a feel of what it's like to fly with United Airlines, Frontier and Spirit 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.
8.1
Very good
4,836 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.1
Very good
4,836 reviews
8.1
Very good
4,836 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
9,552 reviews
8.1
Very good
4,836 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
8,600 reviews
8.1
Very good
4,836 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.4
Good
9,048 reviews
8.1
Very good
4,836 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.2
Good
10,000 reviews
8.1
Very good
4,836 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

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 ($145), Spirit Airlines ($146), and American Airlines ($152).

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

  • 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, August is the cheapest month in which you can book a flight from New Hampshire to St. Louis (average of $311). Flying from New Hampshire to St. Louis in March is currently the most expensive (average of $356). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$437FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$316Average$406FlexibilityNo cancel feeOn-time63%
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