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$63 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 1/13. 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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Good to know

Low season

January

High season

November

Cheapest flight

$63
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Boston 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.

See more FAQs

Prefer to fly non-stop from Maine to San Francisco?

Find which airlines fly direct from Maine to San Francisco Airport, which days they fly and book direct flights.

Nonstop departures

Maine to San Francisco

Monday

AIR PREMIA, ANA, Aer Lingus, +75 more

AIR PREMIA, ANA, +76 more

Tuesday

ANA, Aer Lingus, Aeromexico, +74 more

ANA, Aer Lingus, +75 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +74 more

AIR PREMIA, ANA, +75 more

Thursday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Friday

AIR PREMIA, ANA, Aer Lingus, +76 more

AIR PREMIA, ANA, +77 more

Saturday

ANA, Aer Lingus, Aeromexico, +75 more

ANA, Aer Lingus, +76 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +76 more

AIR PREMIA, ANA, +77 more

See more direct flights

Nonstop returns

San Francisco to Maine

Monday

AIR PREMIA, ANA, Aer Lingus, +75 more

AIR PREMIA, ANA, +76 more

Tuesday

ANA, Aer Lingus, Aeromexico, +74 more

ANA, Aer Lingus, +75 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +74 more

AIR PREMIA, ANA, +75 more

Thursday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Friday

AIR PREMIA, ANA, Aer Lingus, +76 more

AIR PREMIA, ANA, +77 more

Saturday

ANA, Aer Lingus, Aeromexico, +75 more

ANA, Aer Lingus, +76 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +76 more

AIR PREMIA, ANA, +77 more

See more direct flights
See more direct flights

Book cheap flights from Maine to San Francisco

Recent round-trip flight deals

11/14Thu
1 stopFrontier
15h 50mBOS-SFO
11/17Sun
1 stopFrontier
13h 45mSFO-BOS
$168
11/14Thu
1 stop
15h 50mBOS-SFO
11/18Mon
nonstop
5h 40mSFO-BOS
$173
11/14Thu
nonstopAlaska Airlines
6h 38mBOS-SFO
11/19Tue
nonstopAlaska Airlines
5h 40mSFO-BOS
$197
11/21Thu
nonstopDelta
7h 01mBOS-SFO
11/28Thu
nonstopDelta
5h 39mSFO-BOS
$198
11/13Wed
1 stopJetBlue
8h 59mBOS-SFO
11/13Wed
nonstopJetBlue
5h 30mSFO-BOS
$201
12/5Thu
1 stopJetBlue
13h 01mBOS-SFO
12/10Tue
nonstopJetBlue
5h 28mSFO-BOS
$206
11/14Thu
1 stopAmerican Airlines
8h 47mBOS-SFO
11/20Wed
1 stopAmerican Airlines
7h 56mSFO-BOS
$217
12/5Thu
nonstopAlaska Airlines
7h 00mBOS-SFO
12/10Tue
1 stopAlaska Airlines
10h 08mSFO-BOS
$221
11/25Mon
nonstopDelta
7h 01mBOS-SFO
12/5Thu
nonstopDelta
5h 39mSFO-BOS
$227
12/5Thu
1 stopAmerican Airlines
11h 59mBOS-SFO
12/15Sun
1 stopAmerican Airlines
7h 43mSFO-BOS
$231

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Recent one-way flight deals

1/13Mon
1 stopFrontier
10h 12mBOS-SFO
$63
1/13Mon
1 stopFrontier
10h 12mBOS-SFO
$64
11/12Tue
nonstopAlaska Airlines
6h 38mBOS-SFO
$98
11/13Wed
nonstopDelta
7h 01mBOS-SFO
$99
11/12Tue
2 stops
24h 02mBOS-SFO
$101
11/12Tue
2 stops
24h 02mBOS-SFO
$102
12/5Thu
1 stopJetBlue
9h 10mBOS-SFO
$108
11/12Tue
1 stopAlaska Airlines
8h 55mBOS-SFO
$113
12/6Fri
nonstopJetBlue
6h 38mBOS-SFO
$114
3/18Tue
nonstopDelta
7h 15mBOS-SFO
$120

Search by stops

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Search by price

Last minute flights from Maine to San Francisco

Last minute flight, train and bus deals

11/5Tue
multi-stopFrontier
14h 05mBOS-SFO
11/14Thu
multi-stopFrontier
13h 44mSFO-BOS
$210
11/5Tue
multi-stopFrontier
14h 05mBOS-SFO
11/13Wed
multi-stopFrontier
8h 40mSFO-BOS
$232
11/5Tue
nonstopDelta
6h 49mBOS-SFO
11/12Tue
nonstopDelta
5h 40mSFO-BOS
$292
11/5Tue
multi-stopJetBlue
9h 19mBOS-SFO
11/12Tue
nonstopJetBlue
5h 32mSFO-BOS
$301
11/5Tue
multi-stopAlaska Airlines
10h 12mBOS-SFO
11/13Wed
nonstopAlaska Airlines
5h 40mSFO-BOS
$306
11/5Tue
multi-stopJetBlue
9h 09mBOS-SFO
11/13Wed
multi-stopJetBlue
9h 36mSFO-BOS
$311
11/5Tue
multi-stop
14h 05mBOS-SFO
11/10Sun
multi-stop
7h 35mSFO-BOS
$319
11/5Tue
multi-stop
14h 05mBOS-SFO
11/10Sun
multi-stop
7h 35mSFO-BOS
$336
11/1Fri
nonstopDelta
6h 49mBOS-SFO
11/12Tue
nonstopDelta
5h 39mSFO-BOS
$359
11/5Tue
multi-stopAlaska Airlines
8h 55mBOS-SFO
11/13Wed
nonstopAlaska Airlines
5h 40mSFO-BOS
$368

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Everything you need to know for your flight to San Francisco

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