$130 Find Cheap Flights from San Francisco to Maine - 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 Maine departing on 10/7. 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 Maine

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Portland
Portlandnonstop$349
Bangor
Bangor1 stop$369
Bar Harbor
Bar Harbor2 stops$924
Presque Isle
Presque Isle1 stop$537
Rockland
Rockland1 stop$794
Boston
Bostonnonstop$307
Portland
Portlandnonstop$349
Bangor
Bangor1 stop$369
Bar Harbor
Bar Harbor2 stops$924
Presque Isle
Presque Isle1 stop$537
Rockland
Rockland1 stop$794
Boston
Bostonnonstop$307

Book Cheap San Francisco to Maine 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 Maine 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 Maine

Mon, Aug 10 - Fri, Aug 14
Delta Logo
3:00 pm - 11:41 pm
SFO
-
BOS
5h 41mnonstop
Delta Logo
8:55 pm - 12:33 am
BOS
-
SFO
6h 38mnonstop
$307Delta
Tue, Aug 25 - Fri, Sep 4
JetBlue Logo
9:44 pm - 6:28 am
SFO
-
BOS
5h 44mnonstop
JetBlue Logo
4:55 pm - 12:38 am
BOS
-
SFO
10h 43m
1 stop
$308JetBlue
Wed, Sep 16 - Mon, Sep 21
Multiple Airlines Logo
7:50 am - 4:49 pm
SFO
-
BOS
5h 59mnonstop
Multiple Airlines Logo
11:28 am - 6:20 pm
BOS
-
SFO
9h 52m
1 stop
$311Multiple Airlines
Wed, Jul 15 - Tue, Jul 21
Multiple Airlines Logo
11:00 pm - 10:57 am
SFO
-
BOS
8h 57m
1 stop
Multiple Airlines Logo
8:20 am - 11:54 am
BOS
-
SFO
6h 34mnonstop
$312Multiple Airlines
Tue, Jul 21 - Wed, Jul 29
United Airlines Logo
2:29 pm - 1:14 am
SFO
-
BOS
7h 45m
1 stop
United Airlines Logo
6:00 am - 9:27 am
BOS
-
SFO
6h 27mnonstop
$313United Airlines
Sat, Sep 12 - Sun, Sep 20
United Airlines Logo
8:44 am - 5:31 pm
SFO
-
PWM
5h 47mnonstop
United Airlines Logo
7:30 am - 11:05 am
PWM
-
SFO
6h 35mnonstop
$349United Airlines
Sat, Sep 19 - Fri, Sep 25
American Airlines Logo
6:00 am - 6:36 pm
SFO
-
BGR
9h 36m
1 stop
American Airlines Logo
5:36 pm - 11:56 pm
BGR
-
SFO
9h 20m
1 stop
$369American Airlines
Mon, Aug 3 - Wed, Aug 12
American Airlines Logo
11:49 pm - 1:28 pm
SFO
-
BGR
10h 39m
1 stop
American Airlines Logo
12:45 pm - 7:48 pm
BGR
-
SFO
10h 03m
1 stop
$371American Airlines
Fri, Sep 18 - Sat, Sep 26
Southwest Logo
7:10 pm - 9:55 am
SFO
-
PWM
11h 45m
2 stops
Southwest Logo
5:40 am - 10:55 am
PWM
-
SFO
8h 15m
1 stop
$374Southwest
Fri, Sep 18 - Sat, Sep 26
Southwest Logo
7:55 pm - 9:55 am
SFO
-
PWM
11h 00m
2 stops
Southwest Logo
5:40 am - 3:50 pm
PWM
-
SFO
13h 10m
2 stops
$379Southwest
Booking Insights

KAYAK's insights & trends for San Francisco to Maine flights

Get data-powered insights and trends into flights from San Francisco to Maine 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 Maine?

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 Maine departing in September.

What is the cheapest San Francisco to Maine flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Maine from San Francisco found in the last 5 days was to Portland, at $349 round-trip. The most popular route is from San Francisco (SFO) to Portland (PWM), and the cheapest round-trip airline ticket found on this route in the last 5 days was $349.

What is the cheapest time of day to fly to Maine?

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

The cheapest time of day to fly to Maine is generally in the morning, when round-trip flights cost $1,089 on average. The most expensive time of day to fly to Maine is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,089.

What is the cheapest month to fly from San Francisco to Maine?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Maine, 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 Maine is July, when tickets cost $128 (return) on average. On the other hand, the most expensive months are April and May, when the average cost of round-trip tickets is $346 and $310 respectively.

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

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 Maine, 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 Maine, you should book around 3 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$130
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from San Francisco to Portland

FAQs - booking Maine flights

  • How does KAYAK find such low prices on flights from San Francisco to Maine?

    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 Maine.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco to Maine 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 Maine?

    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 Maine 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 Maine?

    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 Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many flights are there between San Francisco and Maine per day?

    There is a maximum of 1 nonstop flight a day that takes off from San Francisco and lands in Maine, with an average flight time of 5h 47m. The most common departure time is 8:00 am and most flights take off in the morning. Each week, there are 1 flights.

Top tips for finding cheap flights to Maine

  • Looking for a cheap flight? 25% of our users found tickets from San Francisco to the following destinations at these prices or less: Boston $219 one-way - $403 round-trip

Reviews of the top 5 airlines serving from San Francisco to Maine

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Maine. 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 Maine? 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.
7.9
SouthwestOverall score based on 4250 reviews
8.0Comfort
8.1Boarding
7.0Food
7.5Entertainment
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

Flight delayed four separate times. I’m now one hour hours late to landing.

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

Awesome! On time flight, early arrival, and a complimentary upgrade!

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Excellent flight, the planes were newer, they did a nice job with boarding, great service overall.

Thank you for not flipping the plane on the run way. You guys get a 5 star rating for the flight!!!

Boarding is, as it always is… horrible. Gate lice. Slow moving zones. Too many people with carry ons

New boarding doesn't make sense. Filling front first is slow.

There was plenty of overhead room but half of the passengers were told they had to check their carryon bags. My partner and I checked in as early as possible and our seats were split across the aisle.

Lost one piece of luggage even though I checked in 2.5 hours before the flight

Horrifying Almost 2 million miles. Bring your own food and drink. One coffee or drink every three hours. Have to order meals on app more than 24 hours ahead Tiny and dirty bathrooms

My service dog and I were asked to deplane just before they closed the door - clearly very last minute they couldn’t find the documentation that I have filled out many many times before that is for flying service animals. I purposely purchase 3seats (a whole row) since he is large and not all passengers want to sit next to a dog on a cross country flight. The plane departed with my husband on it!!! They made me fill out a hard copy of the same form and had to reschedule me on a later flight where they could find 3 seats together!! I’ve done this so many times before - clearly the error was on their part in a technology glitch - but really people - do better!! Very traumatic - and my husband had to wait for us when he landed ….so bad. Poor pup was confused and tired.

No screens or meal options. Freezing cold. Dirty seats. Left late.

Outstanding service, efficient & friendly crew, flight was safe, comfortable & on time

It was a red-eye, but the flight felt surprisingly quick. The seats were very comfortable, and that made resting much easier. I also want to thank the gentleman seated next to me, who graciously moved so my mom could sit beside me. We slept almost the entire way. The cabin crew was respectful in not disturbing us, while also being courteous and professional throughout. Thank you, United.

Boarding was again a "free for all". We were boarding group 4, and almost the entire plane was able to board before us. It's a shame that someone who follows the rules, gets the short end of the stick. Not fair.

It was perfect! I've never flown with United before, but I definitely will in the future

They delayed the flight from 9:00 to 11:55 At 11:45 they canceled the flight. I paid a premium price for the tickets with poor service

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

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

The chicken wrap was tiny ($13 for what looked like a 1/3 of a normal wrap?) and disgusting.

We flew in first class. The crew did not offer drinks before the flight took off, but they treated us well during the flight. The food was excellent. There was actually too much food served, but it was nice to have all the options.

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

Seats were great, the staff was great, and the food was about the best I've had on a plane, and is especially the best of any US-based carrier I've flown. Free Wi-Fi was also great.

Boarding process was terrible. No assigned seat until the gate, then a long line to get seat assignment.

Rude crew member. She seemed annoyed at me without me saying a single word. Also loudly admonished me for having my bag next to my seat instead of tucked away before landing. Just telling me to put it away and guiding me without giving me a lecture would have been enough.

Too many long delays with JetBlue. Worst major airline that serves JFK but unfortunately I keep going back because of the prices.

Little snafu at boarding. Staff communicated with gate poorly. Flight attendant was rude making disembark early. This was an older mint class. Needs an overhaul for sure. Food was good. The male flight attendant was really nice.

Over 2 hour delay for a 50-minute flight is unacceptable, especially in normal weather. Very poor communication via app

I really liked the way snacks and drinks were available throughout the flight!!! The flight attendants were also all fantastic!

Always like Jet Blue! It seems, however, that people are getting bigger & seats are getting smaller! We had a very full flight and I couldn't get an aisle seat like I always do. I wish there were more leg room. People sitting next to me were very nice though so it was fine to disturb them if I needed to use the restroom. Otherwise the flight was fine but a bit long.

None of the in flight Direct TV worked. A better selection of Shows would have been better. The baggage was s low. Otherwise we enjoyed our flight!

the staff was very helpful and the airline was very good.

Everything you need to know for your flight from San Francisco to Maine

Information on your arrival and departure airports