$123 Find Cheap Flights from San Francisco to Maine

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 4/15. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Maine

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Maine, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Maine, as well as popular online travel agencies
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Flight Deals

Cheap Flights from San Francisco to Maine

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Boston1 stop$217
Bangor
Bangor1 stop$329
Bar Harbor
Bar Harbor1 stop$532
Rockland
Rockland1 stop$597
Portland
Portland1 stop$251
Boston
Boston1 stop$217
Bangor
Bangor1 stop$329
Bar Harbor
Bar Harbor1 stop$532
Rockland
Rockland1 stop$597
Portland
Portland1 stop$251

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

Tue, May 19 - Wed, Jun 10
Alaska Airlines Logo
10:14 am - 11:59 pm
SFO
-
BOS
10h 45m
1 stop
Alaska Airlines Logo
7:10 am - 2:06 pm
BOS
-
SFO
9h 56m
1 stop
$217Alaska Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
10:40 pm - 10:29 am
SFO
-
BOS
8h 49m
1 stop
Multiple Airlines Logo
8:59 pm - 12:51 am
BOS
-
SFO
6h 52mnonstop
$219Multiple Airlines
Wed, Apr 8 - Tue, Apr 14
Frontier Logo
10:23 pm - 11:45 am
SFO
-
BOS
10h 22m
1 stop
Frontier Logo
6:00 am - 4:54 pm
BOS
-
SFO
13h 54m
1 stop
$221Frontier
Tue, May 12 - Thu, May 14
Frontier Logo
10:38 pm - 12:05 pm
SFO
-
BOS
10h 27m
1 stop
Frontier Logo
6:00 am - 4:54 pm
BOS
-
SFO
13h 54m
1 stop
$222Frontier
Mon, Mar 2 - Tue, Mar 10
JetBlue Logo
8:44 pm - 5:15 am
SFO
-
BOS
5h 31mnonstop
JetBlue Logo
8:40 pm - 12:31 am
BOS
-
SFO
6h 51mnonstop
$229JetBlue
Tue, Mar 10 - Wed, Mar 25
American Airlines Logo
11:49 pm - 12:14 pm
SFO
-
PWM
9h 25m
1 stop
American Airlines Logo
5:58 pm - 11:44 pm
PWM
-
SFO
8h 46m
1 stop
$251American Airlines
Tue, Mar 10 - Wed, Mar 25
American Airlines Logo
11:29 pm - 12:14 pm
SFO
-
PWM
9h 45m
2 stops
American Airlines Logo
5:58 pm - 11:44 pm
PWM
-
SFO
8h 46m
1 stop
$256American Airlines
Mon, Mar 16 - Tue, Mar 24
Delta Logo
10:40 pm - 11:04 am
SFO
-
PWM
9h 24m
2 stops
Delta Logo
5:23 am - 3:03 pm
PWM
-
SFO
12h 40m
2 stops
$303Delta
Thu, Mar 12 - Tue, Mar 17
Delta Logo
5:50 am - 11:59 pm
SFO
-
PWM
15h 09m
2 stops
Delta Logo
11:45 am - 8:33 pm
PWM
-
SFO
11h 48m
2 stops
$318Delta
Tue, Mar 3 - Sat, Mar 7
JetBlue Logo
8:44 pm - 11:23 am
SFO
-
BHB
11h 39m
1 stop
JetBlue Logo
2:20 pm - 12:31 am
BHB
-
SFO
13h 11m
1 stop
$532JetBlue
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.

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 72 hours was to Portland, at $394 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 72 hours was $394.

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 January, when tickets cost $337 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $467 and $437 respectively.

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

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

If your flying dates are flexible, you should consider flying to Maine on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from San Francisco to Maine. For your return ticket, we recommend flying on a Wednesday and avoiding Sundays for the best deals.

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 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$123
Best time to beat the crowds with an average 33% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from San Francisco to Boston

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.

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

    The cheapest time of day to fly to Maine is generally in the evening, when round-trip flights cost $388 on average. Morning departures are around 13% more expensive than evening flights, 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 $438.

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 $179 one-way - $277 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.
8.0
SouthwestOverall score based on 4289 reviews
8.6Crew
8.0Comfort
7.5Entertainment
8.1Boarding
7.0Food
Airline reviews

The charges were ridiculous for an hour flight and the turbulence was very scary.

2.0 MediocreDarcey, Feb 2026
SAN - SJC
Read more Southwest reviews

The charges were ridiculous for an hour flight and the turbulence was very scary.

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

The wifi on the plane is great. The only issue that I have is that I prefer an aisle seat and on my trips this week, I was either in the middle or window. If we can work to secure aisle seating, I will be thrilled. Nice trip.

Great flight but super high price. Glad it was a business trip and not personal

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

We got exit row seats both flights. Everything was running on time

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

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 One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

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

The flight was delayed for about 2 hrs. Other than it, it was good.

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

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

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

Entertainment kept turning itself off. Gave up on watching a movie.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Terrible. No customer service, no food, no drinks on a 6 hour premier economy booking.

The flight crew where really good. Better then the crew from BNE to SFO

left on time, reasonable boarding process arrived early luggage came out quickly

Pushed back only to get deplaned due to a tire damaged by ground crew. They did at least go pretty fast. The bathrooms should be banned under the Geneva convention. No room to even sit straight on the toilet. The under-seat entertainment units block what little leg room there is.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Premium Plus is a really good idea for longer flights

The flight was fine. It's the satellite terminal that supports American eagle flights is what sucks. There is only one food option and everything there is way overpriced. I mean I know it's airport pricing, but it's even crazier than that. I bought a sandwich in a plastic container for $18.

The flight was really crowded. Flight attendants were just ok.

Flight was delayed for 2 hours, then last minute the change to on time. The satélite location is far and a nightmare to get to.

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.

For a 5 1/2 hour flite i considered the "business class" to be subpar. The seats were just ok, no amenities, really nothing more than a long domestic flight. Frankly disappointed.

It would be nice to have some low carb options in the snacks.

The entertainment options were at best, fair. It was exactly the same as my outbound flight. It would have been more entertaining if there were some series from Apple TV, HBO, Showtime or other carriers for me to catch up with.

The flight was on time and arrived early. The crew were friendly and helpful.

Overall experience was great. Flights were almost on time in departing and we arrived at our destination as scheduled. No issues with amenities or flight crew. Everything went well as as expected. Will fly again with American Airlines in the future!

Horrible. Both legs of my flight were delayed more than 6 hours. No compensation, no screens on the plane, and the plane was not clean.

My flight got delayed and eventually canceled, then rescheduled. I and several others had a connection from Boston to Paris and asked several times if we would make it. They assured us we would and then rebooked us mid flight without our consent and closed doors early even though they said they communicated we were a bit delayed. We got stranded in Boston and I opted with being rebooked for a different connection to France since they refused to pay for a Hotel. I've now been in Europe for 5 days and still haven't recieved my bags. There was absolutely no urgency for the fact that I'm in a foreign country with absolutely no change of clothes or any of my medication. Such an overwhelming and frustrating experience.

Automated scanning was slow and somewhat haphazard. Too many people were unfamiliar with the tech and were forced to learn on the fly. The hands off approach of the gate staff made it more uncomfortable. This needs work. Overall the flight and cabin crew were excellent.

The crew for the flight was A+ top notch. They were friendly and professional and made the flight a very relaxing and enjoable.

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.

No included food for a 5 hour flight and the entertainment was only accessible if you had wired headphones (not provided). Otherwise though, great and smooth flying and customer service.

Crew were fantastic and so catering and wonderful! Full score for the entire crew!

Because of weather and mechanical issues our flight was 4 hours late. The only compensation offered to us was a meal voucher to be used only at Boston Airport and only on the day issued. But by the time it was offered to us all the restaurants were closed, so there was no way to use that offer.

Friendly crew, efficient boarding and flight arrived early. Couldn’t ask for a better experience

Terrible. They canceled our early morning flight after midnight on the day of and had no available flights to rebook my family on for the next 72 hours. Yet they still had other flights that were not cancelled from JFK so it couldn’t be based on the weather. It felt like they canceled the flight based on it not being profitable enough for them. I am not interested in traveling with the again. The absolute worse customer service and lack of accountability.

Horribly rude check in at airport, worst in 25 years of flying. All over a simple issue they could have googled to resolve.

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

Information on your arrival and departure airports