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New Hampshire

$116+ Cheap flights from San Francisco (SFO) to New Hampshire

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — MHT
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheap flight deals from San Francisco to New Hampshire

Cheapest flights from San Francisco to New Hampshire
Explore the most affordable flight options available from San Francisco to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.

This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:15 pm
SFO
-
BOS
1 stop9h 30m
Southwest
Tue 4/282:25 pm
BOS
-
SFO
2 stops10h 45m
Southwest
Deal found 3/22$255
This Expedia deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:23 pm
SFO
-
BOS
1 stop10h 22m
Frontier
Tue 4/146:00 am
BOS
-
SFO
1 stop14h 34m
Frontier
Deal found 3/21$256
This CheapOair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:00 pm
SFO
-
BOS
Nonstop5h 40m
Multiple Airlines
Wed 5/612:01 pm
BOS
-
SFO
1 stop10h 33m
Multiple Airlines
Deal found 3/23$259
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:03 pm
SFO
-
BOS
1 stop10h 42m
Frontier
Thu 4/95:30 am
BOS
-
SFO
1 stop16h 49m
Frontier
Deal found 3/25$260
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:15 pm
SFO
-
BOS
2 stops10h 00m
Southwest
Tue 5/122:25 pm
BOS
-
SFO
2 stops11h 50m
Southwest
Deal found 3/23$261
This Priceline deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
SFO
-
BOS
1 stop9h 47m
Multiple Airlines
Sat 4/253:11 pm
BOS
-
SFO
1 stop9h 46m
Multiple Airlines
Deal found 3/24$262
This Expedia deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:03 pm
SFO
-
BOS
1 stop10h 42m
Multiple Airlines
Tue 4/287:00 am
BOS
-
SFO
2 stops16h 19m
Multiple Airlines
Deal found 3/23$263
This Expedia deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
SFO
-
BOS
1 stop9h 47m
Multiple Airlines
Tue 4/289:00 am
BOS
-
SFO
2 stops17h 01m
Multiple Airlines
Deal found 3/26$264
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
SFO
-
BOS
1 stop9h 47m
Multiple Airlines
Sat 5/233:40 pm
BOS
-
SFO
Nonstop6h 43m
Multiple Airlines
Deal found 3/24$269
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:38 pm
SFO
-
BOS
1 stop10h 09m
Frontier
Mon 4/276:00 am
BOS
-
SFO
1 stop14h 34m
Frontier
Deal found 3/25$270
This Frontier deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:38 pm
SFO
-
BOS
1 stop10h 09m
Frontier
Thu 4/236:00 am
BOS
-
SFO
1 stop14h 34m
Frontier
Deal found 3/24$271
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:50 am
SFO
-
PWM
1 stop7h 17m
Delta
Fri 5/154:48 pm
PWM
-
SFO
1 stop8h 33m
Delta
Deal found 3/25$281

Find flight deals from San Francisco to New Hampshire

Keep the following information in mind while searching for San Francisco to New Hampshire flight deals. Data was last updated March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Southwest)

One-way from

$116
(Southwest)

Popular in

December

Cheapest in

January

Average price

$412
Provider with most accurate pricing for San Francisco-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Boston Logan Intl flights.
Search Deals
From San Francisco to New Hampshire
Search Deals
One-way flight from San Francisco to New Hampshire
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to New Hampshire that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from San Francisco to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 4/20

10:10 am-11:25 pm

2 stops10h 15m

Portland

Mon 4/27

2:50 pm-11:20 pm

1 stop11h 30m

$321

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 4/11

12:30 pm-9:28 pm

Nonstop5h 58m

Boston Logan Intl

Mon 4/20

8:16 pm-11:59 pm

Nonstop6h 43m

$332

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 5/5

6:55 am-3:40 pm

Nonstop5h 45m

Boston Logan Intl

Tue 5/12

3:00 pm-11:56 pm

1 stop11h 56m

$340

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 5/18

11:20 pm-8:23 am

Nonstop6h 03m

Boston Logan Intl

Fri 5/22

8:20 pm-11:57 pm

Nonstop6h 37m

$340

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 5/5

11:25 pm-11:00 am

1 stop8h 35m

Boston Logan Intl

Tue 5/12

2:25 pm-11:15 pm

2 stops11h 50m

$342
Quickest round-trip

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 8/22

8:58 pm-5:50 am

Nonstop5h 52m

Boston Logan Intl

Wed 8/26

6:00 am-9:30 am

Nonstop6h 30m

$360

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 9/12

7:00 am-3:51 pm

Nonstop5h 51m

Boston Logan Intl

Sat 9/26

4:55 pm-8:52 pm

Nonstop6h 57m

$363

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Mon 4/6

10:55 pm-12:20 pm

2 stops10h 25m

Portland

Tue 4/28

1:00 pm-9:25 pm

1 stop11h 25m

$365

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 4/29

9:15 pm-8:49 am

1 stop8h 34m

Portland

Tue 5/5

5:30 am-11:25 am

1 stop8h 55m

$369

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 5/27

10:35 pm-10:07 am

1 stop8h 32m

Portland

Tue 6/2

6:00 am-12:29 pm

1 stop9h 29m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from San Francisco to New Hampshire?

Currently, July is the cheapest month in which you can book a flight from San Francisco to New Hampshire (average of $213). Flying from San Francisco to New Hampshire in February is currently the most expensive (average of $1,573). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from San Francisco to New Hampshire?

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated March 26, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from San Francisco to New Hampshire to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,333 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,333 reviews
Southwest
8.0
Very good
4,333 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.1
Good
11,496 reviews
Southwest
8.0
Very good
4,333 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to New Hampshire?

    If you book a flight to New Hampshire from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.0 mi from the center of San Francisco.

  • How long is the flight from San Francisco to New Hampshire?

    Departing from San Francisco to New Hampshire will take you 8h 34m. Airlines will cover a distance of 2715 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Francisco to New Hampshire one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $178. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from San Francisco to New Hampshire for a low price.

  • What are the most popular routes from San Francisco to New Hampshire?

    When deciding which route to take from San Francisco to New Hampshire consider San Francisco - Boston Logan Intl, San Francisco - Portland or San Francisco - Manchester as they are the most popular.

  • Can I find deals for flights from San Francisco to New Hampshire that include hotel bookings?

    Yes. In addition to deals on San Francisco to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to New Hampshire?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to New Hampshire.

  • Can I find deals for business class flights from San Francisco to New Hampshire?

    Yes. Cheapflights offers flight deals from San Francisco to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to New Hampshire?

    Currently, July is the cheapest month in which you can book a flight from San Francisco to New Hampshire (average of $213). Flying from San Francisco to New Hampshire in February is currently the most expensive (average of $1,573). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Francisco to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from San Francisco to New Hampshire

Discover the top 2 airlines that operate flights from San Francisco to New Hampshire. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$328Average$598FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$362Average$488FlexibilityNo cancel feeOn-time63%

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