SFO

$126 Find Cheap Flights from Maine to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Francisco departing on 11/18. 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 San Francisco

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$207
Overall average: $417
Alaska Airlines
Thu 12/11Sun 12/14
BOS - SFO • 1 stop
Cheapest non-stop
$215
Typical prices: $276-$534
Alaska Airlines
Thu 11/13Tue 11/18
BOS - SFO • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Maine to San Francisco

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

Thu, Dec 11 - Sun, Dec 14
Alaska Airlines Logo
4:24 pm - 11:48 pmBOS-SFO
10h 24m1 stop
Alaska Airlines Logo
7:00 am - 3:37 pmSFO-BOS
5h 37mnonstop
$207Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
JetBlue Logo
3:40 pm - 12:12 amBOS-SFO
11h 32m1 stop
JetBlue Logo
7:00 am - 8:07 pmSFO-BOS
10h 07m1 stop
$209JetBlue
Find Deal
Thu, Dec 4 - Thu, Jan 29
Alaska Airlines Logo
6:52 pm - 10:48 pmBOS-SFO
6h 56mnonstop
Alaska Airlines Logo
7:00 am - 5:44 pmSFO-BOS
7h 44m1 stop
$211Alaska Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
Hawaiian Airlines Logo
6:59 pm - 10:50 pmBOS-SFO
6h 51mnonstop
Hawaiian Airlines Logo
7:00 am - 3:41 pmSFO-BOS
5h 41mnonstop
$212Hawaiian Airlines
Find Deal
Tue, Jan 13 - Wed, Jan 21
Alaska Airlines Logo
4:20 pm - 10:47 pmBOS-SFO
9h 27m1 stop
Alaska Airlines Logo
7:00 am - 5:44 pmSFO-BOS
7h 44m1 stop
$214Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
American Airlines Logo
1:37 pm - 8:01 pmBOS-SFO
9h 24m1 stop
American Airlines Logo
11:15 pm - 9:35 amSFO-BOS
7h 20m1 stop
$218American Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 23
Frontier Logo
6:00 am - 1:18 pmBOS-SFO
10h 18m1 stop
Frontier Logo
6:15 am - 1:04 amSFO-BOS
15h 49m2 stops
$219Frontier
Find Deal
Wed, Feb 11 - Wed, Feb 18
United Airlines Logo
7:55 am - 11:48 amBOS-SFO
6h 53mnonstop
United Airlines Logo
12:55 pm - 11:57 pmSFO-BOS
8h 02m1 stop
$223United Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
6:00 am - 11:57 amBOS-SFO
8h 57m1 stop
United Airlines Logo
11:25 pm - 8:10 amSFO-BOS
5h 45mnonstop
$225United Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
American Airlines Logo
1:25 pm - 10:09 pmBOS-SFO
11h 44m1 stop
American Airlines Logo
12:25 am - 11:09 amSFO-BOS
7h 44m1 stop
$241American Airlines
Find Deal
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$126
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Portland to San Francisco

FAQs for booking flights from Maine to San Francisco

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

    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 Maine to San Francisco.

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

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

    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 to San Francisco with an airline and back to Maine with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to San Francisco?

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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Calistoga
Marina
Capitola
Rohnert Park
Pacifica
Emeryville
Millbrae
Campbell
Mill Valley
Newark
Novato
Windsor
Belmont
Union City
West Sacramento
Richmond
Los Altos
Corte Madera
Jenner
American Canyon

Everything you need to know for your flight to San Francisco

Information on the airport you'll fly into in San Francisco

San Francisco (SFO)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.