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New Hampshire

$62+ Cheap flights from Missouri to New Hampshire

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MHT
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap flight deals from Missouri to New Hampshire

Cheapest flights from Missouri to New Hampshire
Explore the most affordable flight options available from Missouri to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

This American Airlines deal was found by Cheapflights users on 12/29. 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 12/317:05 amSTL - BOS
1 stop8h 38mAmerican Airlines
Thu 1/110:55 amBOS - STL
1 stop9h 35mAmerican Airlines
Deal found 12/29$445
This Delta deal was found by Cheapflights users on 12/27. 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 12/305:03 pmSGF - BOS
1 stop7h 04mDelta
Fri 1/25:40 amBOS - SGF
1 stop6h 00mDelta
Deal found 12/27$469
This American Airlines deal was found by Cheapflights users on 12/28. 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 12/315:00 amSTL - BOS
1 stop10h 43mAmerican Airlines
Tue 1/66:43 amBOS - STL
1 stop9h 21mAmerican Airlines
Deal found 12/28$520
This United Airlines deal was found by Cheapflights users on 12/28. 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 12/306:20 pmSGF - BOS
1 stop26h 24mUnited Airlines
Fri 1/26:01 amBOS - SGF
2 stops11h 21mUnited Airlines
Deal found 12/28$529
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:15 pmMCI - BOS
1 stop15h 35mMultiple Airlines
Mon 1/58:08 amBOS - MCI
2 stops34h 02mMultiple Airlines
Deal found 12/28$566
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:13 amMCI - BOS
1 stop21h 29mMultiple Airlines
Sat 1/35:45 amBOS - MCI
1 stop12h 25mMultiple Airlines
Deal found 12/28$569
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:13 amMCI - BOS
1 stop21h 29mMultiple Airlines
Mon 1/58:08 amBOS - MCI
2 stops34h 02mMultiple Airlines
Deal found 12/28$587
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:15 pmMCI - BOS
1 stop15h 35mMultiple Airlines
Sun 1/411:03 amBOS - MCI
1 stop24h 05mMultiple Airlines
Deal found 12/28$592
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:13 amMCI - BOS
1 stop21h 29mMultiple Airlines
Fri 1/212:29 pmBOS - MCI
1 stop11h 30mMultiple Airlines
Deal found 12/28$601
This American Airlines deal was found by Cheapflights users on 12/28. 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 12/316:35 amMCI - BOS
1 stop11h 43mAmerican Airlines
Sat 1/37:57 amBOS - MCI
1 stop11h 45mAmerican Airlines
Deal found 12/28$606
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:13 amMCI - BOS
1 stop21h 29mFrontier
Sun 1/411:03 amBOS - MCI
1 stop24h 05mFrontier
Deal found 12/28$613
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:45 pmMCI - BOS
2 stops38h 10mMultiple Airlines
Sat 1/35:45 amBOS - MCI
1 stop12h 25mMultiple Airlines
Deal found 12/28$623

Find flight deals from Missouri to New Hampshire

Keep the following information in mind while searching for Missouri to New Hampshire flight deals. Data was last updated December 30, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$132
(Kiwi.com)

One-way from

$62
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$435
Provider with most accurate pricing for Lambert-St Louis-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Boston Logan Intl flights.
Search Deals
From Missouri to New Hampshire
Search Deals
One-way flight from Missouri to New Hampshire
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 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 Missouri to New Hampshire 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 30, 2025.
Use the filters below to find and compare flights from Missouri to New Hampshire that are best for you.

Fly from

Missouri

Fly to

New Hampshire

Route

Depart

Return

Price

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Wed 1/21

5:42 pm-2:38 pm

1 stop19h 56m

Boston Logan Intl

Mon 1/26

5:27 pm-11:33 pm

2 stops31h 06m

$153

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 3/3

3:49 pm-11:48 am

1 stop18h 59m

Boston Logan Intl

Tue 3/10

12:35 pm-10:37 am

1 stop23h 02m

$164

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 1/13

5:11 pm-2:38 pm

1 stop20h 27m

Boston Logan Intl

Thu 1/15

7:00 am-10:34 pm

1 stop16h 34m

$185

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Tue 3/3

3:49 pm-11:48 am

1 stop18h 59m

Boston Logan Intl

Thu 3/5

11:45 am-11:59 pm

1 stop13h 14m

$194

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Tue 2/3

5:04 pm-11:19 pm

1 stop29h 15m

Boston Logan Intl

Fri 2/6

2:00 pm-10:31 am

1 stop21h 31m

$208

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 2/19

11:26 am-10:26 am

1 stop22h 00m

Boston Logan Intl

Sun 2/22

6:10 pm-10:30 am

1 stop17h 20m

$231

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sun 3/8

4:51 pm-11:41 am

2 stops17h 50m

Boston Logan Intl

Wed 3/11

4:22 pm-11:19 pm

1 stop7h 57m

$236

Kansas CityBoston

MCI - BOS

MCIBOS

Kansas City

Thu 2/19

11:26 am-1:13 am

2 stops12h 47m

Boston Logan Intl

Sun 2/22

6:10 pm-10:30 am

1 stop17h 20m

$294

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

Sat 1/17

8:45 am-12:20 pm

Nonstop2h 35m

Boston Logan Intl

Sun 1/18

6:25 am-8:45 am

Nonstop3h 20m

$297

ColumbiaBoston

COU - BOS

COUBOS

Columbia Regional

Tue 1/13

8:09 am-5:19 pm

1 stop8h 10m

Boston Logan Intl

Sat 1/17

6:00 am-10:42 am

1 stop5h 42m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Missouri 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 Missouri to New Hampshire

What is the cheapest month to book a flight from Missouri to New Hampshire?

Currently, September is the cheapest month in which you can book a flight from Missouri to New Hampshire (average of $175). Flying from Missouri to New Hampshire in March is currently the most expensive (average of $406). 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 New Hampshire

Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated December 30, 2025.
See what other customers who have flown with Southwest and American Airlines from Missouri to New Hampshire have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
4,251 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
11,073 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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 Missouri to New Hampshire. 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 Missouri to New Hampshire?

    Airlines like Spirit Airlines, United Airlines, and American Airlines fly from Missouri to New Hampshire in about 5h 04m. The time it takes to get you to your destination can typically vary by up to 24h 11m. Airlines will cover a distance of 1293 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Missouri to New Hampshire?

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

  • Can I find deals for business class flights from Missouri to New Hampshire?

    Yes. Cheapflights offers flight deals from Missouri to New Hampshire 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 Missouri to New Hampshire?

    Currently, September is the cheapest month in which you can book a flight from Missouri to New Hampshire (average of $175). Flying from Missouri to New Hampshire in March is currently the most expensive (average of $406). 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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Top 2 airlines flying from Missouri to New Hampshire

Discover the top 2 airlines that operate flights from Missouri to New Hampshire. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$200Average$398FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$256Average$399FlexibilityNo cancel feeOn-time71%

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