STL

$68 Find Cheap Flights from New Hampshire to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$287
Overall average: $511
Southwest
Tue 12/9Wed 12/10
MHT - STL • 1 stop
Cheapest non-stop
$328
Typical prices: $401-$494
American Airlines
Sat 1/17Mon 1/19
BOS - STL • Non-stop
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Flight Deals
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Flight Deals

Cheap Flights from New Hampshire to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from New Hampshire to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from New Hampshire to St. Louis

Tue, Dec 9 - Wed, Dec 10
Southwest Logo
7:05 am - 3:50 pmMHT-STL
9h 45m1 stop
Southwest Logo
6:05 am - 12:20 pmSTL-MHT
5h 15m1 stop
$287Southwest
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Tue, Dec 9 - Wed, Dec 10
Southwest Logo
5:45 am - 1:50 pmMHT-STL
9h 05m2 stops
Southwest Logo
5:10 am - 2:55 pmSTL-MHT
8h 45m1 stop
$292Southwest
Find Deal
Sat, Jan 17 - Mon, Jan 19
American Airlines Logo
6:30 am - 9:03 amBOS-STL
3h 33mnonstop
American Airlines Logo
2:54 pm - 6:31 pmSTL-BOS
2h 37mnonstop
$328American Airlines
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Mon, Nov 24 - Tue, Nov 25
American Airlines Logo
6:00 am - 11:03 amBOS-STL
6h 03m1 stop
American Airlines Logo
2:52 pm - 6:30 pmSTL-BOS
2h 38mnonstop
$329American Airlines
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Sun, Nov 23 - Tue, Nov 25
Frontier Logo
6:00 am - 2:29 pmBOS-STL
9h 29m1 stop
Frontier Logo
3:14 pm - 12:44 amSTL-BOS
8h 30m1 stop
$330Frontier
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Mon, Dec 8 - Sat, Dec 13
Multiple Airlines Logo
11:08 am - 10:33 pmBOS-STL
12h 25m1 stop
Multiple Airlines Logo
7:43 pm - 10:22 amSTL-BOS
13h 39m2 stops
$333Multiple Airlines
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Thu, Nov 13 - Thu, Nov 20
Spirit Airlines Logo
6:16 am - 5:57 pmBOS-STL
12h 41m1 stop
Spirit Airlines Logo
10:53 am - 4:50 pmSTL-BOS
28h 57m3 stops
$334Spirit Airlines
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Wed, Nov 12 - Tue, Nov 18
Multiple Airlines Logo
7:36 pm - 1:17 pmMHT-STL
18h 41m1 stop
Multiple Airlines Logo
7:45 pm - 6:56 pmSTL-MHT
22h 11m2 stops
$334Multiple Airlines
Find Deal
Mon, Nov 10 - Thu, Nov 13
Frontier Logo
9:55 am - 9:07 amBOS-STL
24h 12m2 stops
Frontier Logo
2:12 pm - 8:28 amSTL-BOS
17h 16m1 stop
$337Frontier
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Fri, Nov 21 - Thu, Dec 4
Spirit Airlines Logo
1:30 pm - 8:57 amBOS-STL
20h 27m2 stops
Spirit Airlines Logo
2:47 pm - 7:06 pmSTL-BOS
27h 19m3 stops
$380Spirit Airlines
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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$68
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Boston to St. Louis

FAQs for booking flights from New Hampshire to St. Louis

  • How does KAYAK find such low prices on flights from New Hampshire to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from New Hampshire to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to New Hampshire with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

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