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Cheap flights from New Hampshire to St. Louis from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to St. Louis departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New Hampshire to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from New Hampshire to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from New Hampshire to St. Louis.

Cheap last minute flights

Planning a quick getaway from New Hampshire to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from New Hampshire to St. Louis

Find recent round-trip train or bus tickets from New Hampshire to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
11:33 am - 11:49 pmBOS-STL
13h 16m1 stop
4:57 pm - 12:47 amSTL-BOS
6h 50m1 stop
$110Frontier
Find Deal
Mon, Mar 17 - Tue, Apr 1
6:00 am - 7:17 amBOS-STL
26h 17m1 stop
5:05 pm - 12:27 amSTL-BOS
6h 22m1 stop
$116Frontier
Find Deal
Sat, Feb 8 - Mon, Feb 10
5:40 am - 2:42 pmBOS-STL
10h 02m1 stop
5:20 pm - 12:44 amSTL-BOS
6h 24m1 stop
Thu, Feb 27 - Mon, Mar 3
6:00 am - 11:31 pmBOS-STL
18h 31m1 stop
4:00 pm - 9:13 amSTL-BOS
16h 13m1 stop
Tue, Feb 11 - Tue, Feb 18
6:56 pm - 2:43 pmBOS-STL
20h 47m1 stop
4:28 pm - 10:36 amSTL-BOS
17h 08m1 stop
$165Spirit Airlines
Find Deal
Mon, Feb 3 - Thu, Feb 6
6:00 am - 2:43 pmBOS-STL
9h 43m1 stop
3:48 pm - 4:12 pmSTL-BOS
23h 24m2 stops
$175Spirit Airlines
Find Deal
Thu, Feb 6 - Tue, Feb 11
8:45 am - 4:20 pmBOS-STL
8h 35m1 stop
2:21 pm - 5:58 pmSTL-BOS
2h 37mnonstop
$287American Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 18
6:30 am - 8:54 amBOS-STL
3h 24mnonstop
12:00 pm - 10:12 pmSTL-BOS
9h 12m1 stop
$293American Airlines
Find Deal
Thu, Feb 6 - Tue, Feb 11
4:46 pm - 9:49 pmPWM-STL
6h 03m1 stop
4:40 pm - 11:55 pmSTL-PWM
6h 15m1 stop
$317Delta
Find Deal
Wed, Feb 5 - Wed, Feb 12
5:34 am - 11:46 amPWM-STL
7h 12m1 stop
6:00 am - 4:03 pmSTL-PWM
9h 03m2 stops
$322Delta
Find Deal
Wed, Feb 5 - Wed, Feb 12
6:00 am - 2:43 pmBOS-STL
9h 43m1 stop
$45Spirit Airlines
Find Deal
Tue, Feb 4
6:00 am - 2:43 pmBOS-STL
9h 43m1 stop
$47Spirit Airlines
Find Deal
Tue, Feb 4
11:33 am - 11:49 pmBOS-STL
13h 16m1 stop
$61Frontier
Find Deal
Mon, Mar 17
6:00 am - 11:41 pmBOS-STL
18h 41m1 stop
$63Frontier
Find Deal
Mon, Feb 3
11:31 am - 11:30 amBOS-STL
24h 59m3 stops
Tue, Feb 4
7:00 am - 11:45 amBOS-STL
29h 45m3 stops
Wed, Apr 30
4:10 pm - 9:45 pmPWM-STL
6h 35m1 stop
$159United Airlines
Find Deal
Sat, Feb 1
4:44 pm - 11:46 pmMHT-STL
8h 02m1 stop
$159American Airlines
Find Deal
Tue, Feb 4
6:00 am - 3:38 pmMHT-STL
10h 38m2 stops
$164United Airlines
Find Deal
Tue, Feb 4
6:30 am - 8:47 amBOS-STL
3h 17mnonstop
$176American Airlines
Find Deal
Tue, Feb 18
6:00 am - 11:31 pmBOS-STL
18h 31m1 stop
5:05 pm - 12:27 amSTL-BOS
6h 22m1 stop
$278Frontier
Find Deal
Sun, Jan 19 - Sat, Jan 25
6:00 am - 11:31 pmBOS-STL
18h 31m1 stop
5:05 pm - 12:27 amSTL-BOS
6h 22m1 stop
$310Frontier
Find Deal
Sun, Jan 19 - Fri, Jan 24
6:30 am - 8:54 amBOS-STL
3h 24mnonstop
12:45 pm - 10:12 pmSTL-BOS
8h 27m1 stop
$357American Airlines
Find Deal
Sun, Jan 19 - Sun, Jan 19
6:25 am - 6:41 pmBOS-STL
13h 16m3 stops
9:50 am - 11:32 pmSTL-BOS
12h 42m3 stops
Sun, Jan 19 - Fri, Jan 24
6:00 am - 2:43 pmBOS-STL
9h 43m1 stop
9:50 am - 11:32 pmSTL-BOS
12h 42m3 stops
Sun, Jan 19 - Fri, Jan 24
7:00 am - 12:48 pmBOS-STL
30h 48m1 stop
8:00 am - 11:37 pmSTL-BOS
14h 37m2 stops
$710United Airlines
Find Deal
Sun, Jan 19 - Sat, Jan 25
6:00 pm - 6:59 pmBOS-STL
25h 59m1 stop
5:30 pm - 2:01 pmSTL-BOS
19h 31m1 stop
$746United Airlines
Find Deal
Sat, Jan 18 - Mon, Jan 20
4:44 pm - 11:46 pmMHT-STL
8h 02m1 stop
7:18 am - 4:14 pmSTL-MHT
7h 56m1 stop
$827American Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 24
5:34 am - 11:47 amPWM-STL
7h 13m1 stop
4:40 pm - 11:51 pmSTL-PWM
6h 11m1 stop
$827Delta
Find Deal
Fri, Jan 17 - Mon, Jan 20
5:23 am - 3:44 pmPWM-STL
11h 21m2 stops
4:40 pm - 11:51 pmSTL-PWM
6h 11m1 stop
$832Delta
Find Deal
Fri, Jan 17 - Mon, Jan 20
6:05 pm - 8:15 pmBOS-STL
3h 10mnonstop
7:15 pm - 10:45 pmSTL-BOS
2h 30mnonstop
$337Southwest
Find Deal
Tue, Mar 25 - Wed, Mar 26
11:38 am - 1:51 pmBOS-STL
3h 13mnonstop
9:28 am - 1:01 pmSTL-BOS
2h 33mnonstop
$350American Airlines
Find Deal
Thu, Mar 6 - Tue, Mar 11
10:38 am - 1:00 pmBOS-STL
3h 22mnonstop
9:25 am - 1:01 pmSTL-BOS
2h 36mnonstop
$351American Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18
10:38 am - 1:00 pmBOS-STL
3h 22mnonstop
2:21 pm - 5:58 pmSTL-BOS
2h 37mnonstop
$356American Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 18
10:38 am - 1:00 pmBOS-STL
3h 22mnonstop
9:25 am - 1:05 pmSTL-BOS
2h 40mnonstop
$357American Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
6:15 am - 8:30 amBOS-STL
3h 15mnonstop
8:25 am - 11:55 amSTL-BOS
2h 30mnonstop
$362Southwest
Find Deal
Sat, Feb 1 - Sat, Mar 1
11:38 am - 1:51 pmBOS-STL
3h 13mnonstop
2:21 pm - 5:58 pmSTL-BOS
2h 37mnonstop
$363American Airlines
Find Deal
Thu, Feb 27 - Mon, Mar 3
11:38 am - 1:51 pmBOS-STL
3h 13mnonstop
9:28 am - 1:01 pmSTL-BOS
2h 33mnonstop
$379American Airlines
Find Deal
Fri, Mar 14 - Tue, Mar 18
10:38 am - 1:00 pmBOS-STL
3h 22mnonstop
2:21 pm - 5:58 pmSTL-BOS
2h 37mnonstop
$386American Airlines
Find Deal
Wed, Feb 12 - Fri, Feb 14
11:38 am - 1:51 pmBOS-STL
3h 13mnonstop
2:21 pm - 5:58 pmSTL-BOS
2h 37mnonstop
$391American Airlines
Find Deal
Tue, Feb 25 - Fri, Feb 28

Frontier flights from New Hampshire to St. Louis

Our best Frontier deals on New Hampshire to St. Louis flight tickets
Frontier
Mar 17
BOS11:33 amBoston Logan Intl
13h 16m
1 stop
STL11:49 pmLambert-St Louis
Apr 1
STL4:57 pmLambert-St Louis
6h 50m
1 stop
BOS12:47 amBoston Logan Intl
Frontier
Feb 8
BOS6:00 amBoston Logan Intl
26h 17m
1 stop
STL7:17 amLambert-St Louis
Feb 10
STL5:05 pmLambert-St Louis
6h 22m
1 stop
BOS12:27 amBoston Logan Intl
Frontier
Feb 6
BOS6:00 amBoston Logan Intl
18h 31m
1 stop
STL11:31 pmLambert-St Louis
Feb 11
STL5:05 pmLambert-St Louis
6h 22m
1 stop
BOS12:27 amBoston Logan Intl

Spirit Airlines flights from New Hampshire to St. Louis

Our best Spirit Airlines deals on New Hampshire to St. Louis flight tickets
Spirit Airlines
Feb 3
BOS6:56 pmBoston Logan Intl
20h 47m
1 stop
STL2:43 pmLambert-St Louis
Feb 6
STL4:28 pmLambert-St Louis
17h 08m
1 stop
BOS10:36 amBoston Logan Intl
Spirit Airlines
Feb 6
BOS6:00 amBoston Logan Intl
9h 43m
1 stop
STL2:43 pmLambert-St Louis
Feb 11
STL3:48 pmLambert-St Louis
23h 24m
2 stops
BOS4:12 pmBoston Logan Intl
Spirit Airlines
Feb 3
BOS8:29 pmBoston Logan Intl
19h 14m
2 stops
STL2:43 pmLambert-St Louis
Feb 6
STL4:28 pmLambert-St Louis
17h 08m
1 stop
BOS10:36 amBoston Logan Intl

See travel insights to St. Louis from

How to get the cheapest flight ticket from New Hampshire to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, September is the cheapest month to fly from New Hampshire to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $377. The month of August is another great option to travel to St. Louis, with average flight prices from New Hampshire averaging around $391.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $391. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $470. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from New Hampshire at noon is the least expensive time of day to depart. momondo users have found prices as low as $416 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $448 per ticket.

How far in advance should I book a flight to St. Louis?

The best time to book a flight to St. Louis from New Hampshire is 58 days out, which is when prices tend to be around $427. In the past 72 hours, momondo users found flights from New Hampshire to St. Louis for as low as $293.

Cheap New Hampshire to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to St. Louis

Best Price Found

$45

Fastest flight time

2h 55m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from New Hampshire in the past 72 hours is $45. The best round-trip flight deal from New Hampshire to St. Louis found on momondo in the last 72 hours is $110.
The fastest flight from New Hampshire to St. Louis takes 2h 55m
Direct flights go from New Hampshire to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • When did momondo last update prices for flights from New Hampshire to Lambert-St Louis Airport?

    Prices for flights from New Hampshire to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to Lambert-St Louis Airport?

  • How old do you have to be to fly from New Hampshire to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Hampshire to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from New Hampshire to St. Louis

Compare and see reviews for airlines that fly from New Hampshire to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.1
4,659 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
O'Fallon
Fenton
Farmington
Alton
Wentzville
St. Peters
Eureka
Festus
Clayton
Edwardsville
Glencoe
Litchfield
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New Hampshire to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from New Hampshire to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from New Hampshire with this policy.

How can momondo help me find flights from New Hampshire to St. Louis?

momondo helps you find the best flight between New Hampshire and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from New Hampshire to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New Hampshire to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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