$120 Find Cheap Flights from San Francisco to New Hampshire - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to New Hampshire departing on 8/25. 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.
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Cheap Flights from San Francisco to New Hampshire

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Boston1 stop$300
Lebanon
Lebanon1 stop$590
Portland
Portland1 stop$242
Boston
Boston1 stop$300
Lebanon
Lebanon1 stop$590
Portland
Portland1 stop$242

Book Cheap San Francisco to New Hampshire Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to New Hampshire 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 San Francisco to New Hampshire

Tue, Aug 25 - Tue, Sep 1
Southwest Logo
11:40 pm - 11:50 am
SFO
-
MHT
9h 10m
1 stop
Southwest Logo
7:45 am - 12:55 pm
MHT
-
SFO
8h 10m
1 stop
$239Southwest
Mon, Aug 24 - Thu, Aug 27
Southwest Logo
10:30 pm - 9:55 am
SFO
-
PWM
8h 25m
1 stop
Southwest Logo
2:10 pm - 9:55 pm
PWM
-
SFO
10h 45m
1 stop
$242Southwest
Mon, Sep 28 - Thu, Oct 1
Southwest Logo
11:40 pm - 11:50 am
SFO
-
MHT
9h 10m
1 stop
Southwest Logo
1:40 pm - 10:05 pm
MHT
-
SFO
11h 25m
2 stops
$244Southwest
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
6:35 am - 9:50 pm
SFO
-
MHT
12h 15m
2 stops
Southwest Logo
5:35 am - 11:35 am
MHT
-
SFO
9h 00m
1 stop
$245Southwest
Wed, Oct 21 - Wed, Oct 28
JetBlue Logo
11:50 am - 11:52 pm
SFO
-
PWM
9h 02m
1 stop
JetBlue Logo
6:30 am - 1:38 pm
PWM
-
SFO
10h 08m
1 stop
$259JetBlue
Tue, Aug 25 - Mon, Aug 31
American Airlines Logo
10:12 pm - 10:07 am
SFO
-
MHT
8h 55m
1 stop
American Airlines Logo
6:00 am - 11:32 am
MHT
-
SFO
8h 32m
1 stop
$297American Airlines
Tue, Sep 22 - Sun, Sep 27
JetBlue Logo
8:25 pm - 10:46 am
SFO
-
BOS
11h 21m
1 stop
JetBlue Logo
6:55 am - 10:30 am
BOS
-
SFO
6h 35mnonstop
$300JetBlue
Tue, Aug 25 - Mon, Aug 31
American Airlines Logo
10:12 pm - 10:07 am
SFO
-
MHT
8h 55m
1 stop
American Airlines Logo
6:00 am - 11:32 am
MHT
-
SFO
8h 32m
1 stop
$301American Airlines
Mon, Aug 24 - Tue, Aug 25
Alaska Airlines Logo
5:16 pm - 5:49 am
SFO
-
BOS
9h 33m
1 stop
Alaska Airlines Logo
8:00 am - 3:59 pm
BOS
-
SFO
10h 59m
1 stop
$301Alaska Airlines
Wed, Sep 2 - Mon, Sep 7
United Airlines Logo
1:15 pm - 11:59 pm
SFO
-
BOS
7h 44m
1 stop
United Airlines Logo
6:00 am - 9:30 am
BOS
-
SFO
6h 30mnonstop
$302United Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to New Hampshire flights

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

How much is a round-trip flight from San Francisco to New Hampshire?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to New Hampshire departing in August.

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

The average price for all round-trip flights from San Francisco to New Hampshire depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to New Hampshire is generally in the evening, when round-trip flights cost $401 on average. Morning departures are around 23% more expensive than evening flights, on average. The most expensive time of day to fly to New Hampshire is generally in the morning, which is peak travel time and where the average cost of a ticket is $491.

What is the cheapest month to fly from San Francisco to New Hampshire?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to New Hampshire, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to New Hampshire is March, when tickets cost $0 (return) on average. On the other hand, the most expensive months are February and November, when the average cost of round-trip tickets is $1,573 and $467 respectively.

What’s the cheapest day of the week to fly from San Francisco to New Hampshire?

The average price of all round-trip flights from San Francisco to New Hampshire clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to New Hampshire on a Wednesday and more expensive on a Sunday. On your return trip to San Francisco, you should consider flying back on a Wednesday, and avoid Sundays for better deals.

How far in advance should I book a flight from San Francisco to New Hampshire?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to New Hampshire, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to New Hampshire, you should book around 3 weeks before departure, which saves you about 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$120
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from San Francisco to Manchester

FAQs - booking New Hampshire flights

  • How does KAYAK find such low prices on flights from San Francisco 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 San Francisco to New Hampshire.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to New Hampshire

  • Looking for a cheap flight? 25% of our users found tickets from San Francisco to the following destinations at these prices or less: Boston $202 one-way - $374 round-trip

Reviews of the top airlines flying from San Francisco to New Hampshire

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to New Hampshire. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to New Hampshire? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4249 reviews
8.0Comfort
8.1Boarding
7.5Entertainment
7.0Food
8.6Crew
Airline reviews

I think Southwest is the number one airline that anyone can fly I have flown for the first time Frontier and what a joke and their customer service United was a very strange experience I'm only sticking to Southwest from here on out for sure

10.0 Excellentkelly, Jul 2026
SFO - PHX
Read more Southwest reviews

I think Southwest is the number one airline that anyone can fly I have flown for the first time Frontier and what a joke and their customer service United was a very strange experience I'm only sticking to Southwest from here on out for sure

3 hour delay. Had to change plans and was still delayed.

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

The weather could have been better. There was a 40 minute ATC delay in SFO because of marine fog and a micro cell storm delayed landing and take-off at Nashville. The gate was changed 5 minutes from boarding from gate B3 to gate C23 at Nashville airport.

The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.

Employees were kind and funny, as always! Flight was late but no announcements were made for people with tight connections to help them transition quickly. No service due to turbulence.

I used to fly SWA all the time. I know the crew has their little acts that are often fun, and entertaining. On this flight one of the crew was just not nice. Very surprising.

The flight was delayed for almost an hour. We sat on the tarmac. There was no announcement. Not by the pilot or the crew. And for some reason, there was no beverage service, so even though it was a short flight, we had sat on the tarmac and the extra hour delay made me understandably thirsty. Water would’ve been nice if they had offered it. And for the first time, I forgot to bring my own water bottle. Reminder to bring your own water bottle because you never know if you’re going to get a beverage.

It was a new plane with larger overhead bins & charging ports at the seats.

Luggage was intact and arrived at the destination. What more could you ask for.. haha. The delay in arrival wasn’t SW fault.. just selfish passengers not wanting to check their luggage knowing they were in the last boarding groups

Over the course of 7 months of travel, I can count on my hand the number of times the flight has departed on time. Majority of the instances have been related to non-weather reasons. Would not recommend flying this Airline

The plane was spartan, the seats not that comfortable. It was like flying a super low budget airline. They charged for coffee!!! I have never, ever experienced that before.

I had no problems but the changing of planes that I was supposed to be on was confusing. Maybe it would be helpful to let people know your flight changed. Not everyone understands airports or how flying works.

Flight was delayed multiple times without giving any particular reason and the only thing that was communicated was that 'Aircraft is getting ready'. I was stuck at SFO airport for 15 hours and finally took Southwest Airlines flight back home to Dallas.

I was not clear if food was offered or not.

Agency very bad had to cancelled my booking too many changes in the flight changed my flight to 1 week

Take-off delayed an hour because of a missing flight officer, so,arrived in Charlotte lates causing many passengers to miss connections. Otherwise a very good flight, safe and comfortable, with an excellent professional crew.

The SFO Lounge crew were amazing. The bartender Faris was great. Thanks!

Not good. One of my luggage is missing. And until now they can’t find it

Dloght delayed by 2.5 hrs . Common theme in my last four american floghts

Everything you need to know for your flight from San Francisco to New Hampshire

Information on your arrival and departure airports