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.

$135 CHEAP FLIGHTS from New Hampshire to St. Louis

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Flight Deals

Cheap Flights from New Hampshire to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

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

Wed, Oct 14 - Wed, Oct 21

6:00 am - 10:41 amMHT Manchester-STL Lambert-St Louis

5h 41m1 stop Philadelphia

5:40 pm - 11:36 pmSTL Lambert-St Louis-MHT Manchester

4h 56m1 stop Philadelphia

$245American Airlines

Sat, Oct 17 - Tue, Oct 20

6:00 am - 11:33 amPWM Portland-STL Lambert-St Louis

6h 33m1 stop Newark

4:50 pm - 11:28 pmSTL Lambert-St Louis-PWM Portland

5h 38m1 stop Newark

$281United Airlines

Wed, Oct 14 - Wed, Oct 21

5:50 pm - 10:05 pmMHT Manchester-STL Lambert-St Louis

5h 15m1 stop Chicago Midway

2:25 pm - 10:45 pmSTL Lambert-St Louis-MHT Manchester

7h 20m2 stops Chicago Midway Baltimore/Washington

$316Southwest

Tue, Oct 27 - Fri, Oct 30

5:40 am - 11:35 amPWM Portland-STL Lambert-St Louis

6h 55m1 stop Baltimore/Washington

2:00 pm - 9:55 pmSTL Lambert-St Louis-PWM Portland

6h 55m1 stop Chicago Midway

$321Southwest

Tue, Oct 6 - Mon, Oct 12

12:52 pm - 1:10 pmBOS Boston Logan Intl-STL Lambert-St Louis

25h 18m1 stop Atlanta Hartsfield-Jackson

6:35 pm - 11:52 amSTL Lambert-St Louis-BOS Boston Logan Intl

16h 17m1 stop Atlanta Hartsfield-Jackson

$337Frontier

Wed, Nov 4 - Mon, Nov 9

12:39 pm - 11:19 amBOS Boston Logan Intl-STL Lambert-St Louis

23h 40m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

6:44 pm - 11:30 amSTL Lambert-St Louis-BOS Boston Logan Intl

15h 46m1 stop Atlanta Hartsfield-Jackson

$338Frontier

Tue, Oct 13 - Thu, Oct 15

8:05 am - 12:13 pmBOS Boston Logan Intl-STL Lambert-St Louis

5h 08m1 stop Chicago O'Hare Intl

7:30 am - 2:35 pmSTL Lambert-St Louis-BOS Boston Logan Intl

6h 05m1 stop Newark

$338United Airlines

Wed, Oct 21 - Sat, Oct 24

4:27 pm - 9:46 pmPWM Portland-STL Lambert-St Louis

6h 19m1 stop New York LaGuardia

7:03 am - 3:43 pmSTL Lambert-St Louis-PWM Portland

7h 40m1 stop Washington, D.C. Reagan-National

$339American Airlines

Sat, Oct 17 - Mon, Oct 19

6:50 am - 1:20 pmBOS Boston Logan Intl-STL Lambert-St Louis

7h 30m1 stop Atlanta Hartsfield-Jackson

10:14 am - 7:05 pmSTL Lambert-St Louis-BOS Boston Logan Intl

7h 51m1 stop Atlanta Hartsfield-Jackson

$343Delta

Sat, Oct 24 - Mon, Oct 26

6:50 am - 1:20 pmBOS Boston Logan Intl-STL Lambert-St Louis

7h 30m1 stop Atlanta Hartsfield-Jackson

7:00 am - 3:23 pmSTL Lambert-St Louis-BOS Boston Logan Intl

7h 23m1 stop New York LaGuardia

$343Delta

Recent last minute flight deals from New Hampshire to St. Louis

Sat, Sep 19 - Mon, Oct 19

1:30 pm - 3:25 pmBOS Boston Logan Intl-STL Lambert-St Louis

2h 55mnonstop

5:55 am - 9:30 amSTL Lambert-St Louis-BOS Boston Logan Intl

2h 35mnonstop

$473Southwest

Sat, Sep 19 - Mon, Oct 19

3:11 pm - 9:44 pmBOS Boston Logan Intl-STL Lambert-St Louis

7h 33m1 stop Philadelphia

6:10 pm - 9:57 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 47mnonstop

$483American Airlines

Sat, Sep 19 - Mon, Oct 19

1:30 pm - 3:25 pmBOS Boston Logan Intl-STL Lambert-St Louis

2h 55mnonstop

5:55 am - 9:30 amSTL Lambert-St Louis-BOS Boston Logan Intl

2h 35mnonstop

$484Southwest

Sat, Sep 19 - Mon, Oct 19

3:11 pm - 9:44 pmBOS Boston Logan Intl-STL Lambert-St Louis

7h 33m1 stop Philadelphia

6:10 pm - 9:57 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 47mnonstop

$494American Airlines

Sun, Sep 20 - Tue, Sep 22

10:00 am - 3:36 pmBOS Boston Logan Intl-STL Lambert-St Louis

6h 36m1 stop New York LaGuardia

1:55 pm - 7:46 pmSTL Lambert-St Louis-BOS Boston Logan Intl

4h 51m1 stop Detroit Metropolitan Wayne County

$563Delta

Wed, Sep 16 - Thu, Sep 17

10:15 am - 3:54 pmBOS Boston Logan Intl-STL Lambert-St Louis

6h 39m1 stop Atlanta Hartsfield-Jackson

7:00 am - 2:24 pmSTL Lambert-St Louis-BOS Boston Logan Intl

6h 24m1 stop New York LaGuardia

$582Delta

Wed, Sep 16 - Wed, Sep 16

5:45 am - 9:39 amBOS Boston Logan Intl-STL Lambert-St Louis

4h 54m1 stop Washington, D.C. Dulles Intl

10:53 am - 5:36 pmSTL Lambert-St Louis-BOS Boston Logan Intl

5h 43m1 stop Chicago O'Hare Intl

$595United Airlines

Wed, Sep 16 - Fri, Sep 18

12:54 pm - 9:35 amBOS Boston Logan Intl-STL Lambert-St Louis

21h 41m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

5:19 pm - 10:51 amSTL Lambert-St Louis-BOS Boston Logan Intl

16h 32m1 stop Orlando

$604Frontier

Sat, Sep 19 - Sat, Sep 19

6:00 am - 10:12 amBOS Boston Logan Intl-STL Lambert-St Louis

5h 12m1 stop Chicago O'Hare Intl

12:28 pm - 7:28 pmSTL Lambert-St Louis-BOS Boston Logan Intl

6h 00m1 stop Newark

$615United Airlines

Thu, Sep 17 - Fri, Sep 18

11:17 am - 1:10 pmBOS Boston Logan Intl-STL Lambert-St Louis

26h 53m2 stops Orlando Atlanta Hartsfield-Jackson

5:19 pm - 10:51 amSTL Lambert-St Louis-BOS Boston Logan Intl

16h 32m1 stop Orlando

$618Frontier

Recent direct flight deals from New Hampshire to St. Louis

Wed, Oct 14 - Sat, Oct 17

7:15 am - 9:29 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 14mnonstop

3:05 pm - 6:52 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 47mnonstop

$343American Airlines

Thu, Dec 3 - Mon, Dec 7

7:00 am - 9:16 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 16mnonstop

9:50 am - 1:26 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 36mnonstop

$345American Airlines

Thu, Nov 5 - Thu, Nov 5

12:55 pm - 2:55 pmBOS Boston Logan Intl-STL Lambert-St Louis

3h 00mnonstop

7:55 pm - 11:25 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 30mnonstop

$345Southwest

Thu, Nov 5 - Thu, Dec 3

7:00 am - 9:16 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 16mnonstop

6:20 pm - 9:58 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 38mnonstop

$345American Airlines

Wed, Nov 4 - Fri, Nov 6

7:00 am - 9:16 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 16mnonstop

6:20 pm - 9:58 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 38mnonstop

$346American Airlines

Fri, Nov 6 - Sat, Dec 5

7:00 am - 9:16 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 16mnonstop

1:10 pm - 4:49 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 39mnonstop

$346American Airlines

Tue, Nov 3 - Fri, Nov 6

7:00 am - 9:16 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 16mnonstop

9:50 am - 1:26 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 36mnonstop

$346American Airlines

Fri, Nov 6 - Tue, Dec 1

3:25 pm - 5:47 pmBOS Boston Logan Intl-STL Lambert-St Louis

3h 22mnonstop

9:56 am - 1:33 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 37mnonstop

$346American Airlines

Tue, Oct 20 - Fri, Oct 23

7:15 am - 9:29 amBOS Boston Logan Intl-STL Lambert-St Louis

3h 14mnonstop

6:10 pm - 9:57 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 47mnonstop

$346American Airlines

Wed, Nov 4 - Fri, Nov 6

1:10 pm - 3:20 pmBOS Boston Logan Intl-STL Lambert-St Louis

3h 10mnonstop

7:55 pm - 11:25 pmSTL Lambert-St Louis-BOS Boston Logan Intl

2h 30mnonstop

$358Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$135

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly with an average 9% increase in price.

Flight from Boston 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.