Question 1

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

Accepted Answer

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 St. Louis to New Hampshire. <a href='/flight-routes/Lambert-St-Louis-STL/New-Hampshire-USNH'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Lambert-St-Louis-STL/New-Hampshire-USNH'>Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

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 from St. Louis to New Hampshire with an airline and back with another airline. <a href='/flight-routes/Lambert-St-Louis-STL/New-Hampshire-USNH'>Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

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 from St. Louis to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Lambert-St-Louis-STL/New-Hampshire-USNH'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines provide the cheapest flights from St. Louis to New Hampshire?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from St. Louis to New Hampshire were found on United Airlines ($339) and American Airlines ($359).

Question 6

Which airlines provide the cheapest flights from St. Louis to New Hampshire?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from St. Louis to New Hampshire were found on United Airlines ($339) and American Airlines ($359).

Question 7

What’s the cheapest day of the week to fly from St. Louis to New Hampshire?

Accepted Answer

When flying from St. Louis to New Hampshire, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Wednesdays and the most expensive ones on Sundays.

Question 8

What’s the cheapest day of the week to fly from St. Louis to New Hampshire?

Accepted Answer

When flying from St. Louis to New Hampshire, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Wednesdays and the most expensive ones on Sundays.

Question 9

What is the cheapest time of day to fly to New Hampshire?

Accepted Answer

The cheapest time of day to fly to New Hampshire is generally at night, when round-trip flights cost $425 on average. Morning departures are around 15% more expensive than evening flights, on average. The most expensive time of day to fly to New Hampshire is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,041.

Question 10

What is the cheapest month to fly from St. Louis to New Hampshire?

Accepted Answer

The cheapest month for flights from St. Louis to New Hampshire is September, when tickets cost $382 (return) on average. On the other hand, the most expensive months are January and November, when the average cost of round-trip tickets is $474 and $474 respectively.

Question 11

What is the cheapest month to fly from St. Louis to New Hampshire?

Accepted Answer

The cheapest month for flights from St. Louis to New Hampshire is September, when tickets cost $382 (return) on average. On the other hand, the most expensive months are January and November, when the average cost of round-trip tickets is $474 and $474 respectively.

Question 12

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

Accepted Answer

To get a below average price on the flight from St. Louis to New Hampshire, you should book around 4 weeks before departure, which saves you about 52% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Question 13

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

Accepted Answer

To get a below average price on the flight from St. Louis to New Hampshire, you should book around 4 weeks before departure, which saves you about 52% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Question 14

What’s the earliest departure time from St. Louis to New Hampshire?

Accepted Answer

The earliest flight from St. Louis to New Hampshire departs at 7:50 am, landing in Boston at 11:20 am.

Question 15

How long does a flight from St. Louis to New Hampshire take?

Accepted Answer

The duration of a flight to New Hampshire depends on your arrival airport. The shortest route to New Hampshire from St. Louis is to Boston, which takes 4h 10m.

Question 16

How long does a flight from St. Louis to New Hampshire take?

Accepted Answer

The duration of a flight to New Hampshire depends on your arrival airport. The shortest route to New Hampshire from St. Louis is to Boston, which takes 4h 10m.

Question 17

What’s the latest departure time from St. Louis to New Hampshire?

Accepted Answer

If you prefer to fly at night, the latest flight from St. Louis to New Hampshire jets off at 8:20 pm and lands in Boston at 11:50 pm.

Low season	February
High season	July
Cheapest flight	$67

$67 Find Cheap Flights from St. Louis to New Hampshire

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KAYAK's insights & trends for St. Louis to New Hampshire flights

Get data-powered insights and trends into flights from St. Louis to New Hampshire to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to New Hampshire?

The cheapest month for flights from St. Louis to New Hampshire is September, when tickets cost $382 (return) on average. On the other hand, the most expensive months are January and November, when the average cost of round-trip tickets is $474 and $474 respectively.

What’s the cheapest day of the week to fly from St. Louis to New Hampshire?

When flying from St. Louis to New Hampshire, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Wednesdays and the most expensive ones on Sundays.

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

To get a below average price on the flight from St. Louis to New Hampshire, you should book around 4 weeks before departure, which saves you about 52% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Which airlines provide the cheapest flights from St. Louis to New Hampshire?

In the past 3 days, the cheapest round-trip tickets from St. Louis to New Hampshire were found on United Airlines ($339) and American Airlines ($359).

How long does a flight from St. Louis to New Hampshire take?

The duration of a flight to New Hampshire depends on your arrival airport. The shortest route to New Hampshire from St. Louis is to Boston, which takes 4h 10m.

What’s the earliest departure time from St. Louis to New Hampshire?

The earliest flight from St. Louis to New Hampshire departs at 7:50 am, landing in Boston at 11:20 am.

What’s the latest departure time from St. Louis to New Hampshire?

If you prefer to fly at night, the latest flight from St. Louis to New Hampshire jets off at 8:20 pm and lands in Boston at 11:50 pm.

Good to know

FAQs - booking New Hampshire flights

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

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 St. Louis to New Hampshire.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to 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 St. Louis to New Hampshire?

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 from St. Louis to New Hampshire with an airline and back with another airline.

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

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 from St. Louis to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to New Hampshire?

Top tips for finding cheap flights to New Hampshire

Reviews of the top airlines flying from St. Louis to New Hampshire

Everything you need to know for your flight from St. Louis to New Hampshire

Information on your arrival and departure airports

Cabin class types available on flights to New Hampshire

Complete your trip to New Hampshire with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in St. Louis to New Hampshire

Flights from St. Louis to popular cities in New Hampshire

Find deals for your return flight