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Find cheap flights from Massachusetts to San Francisco from $139

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 6/4. 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
0 bags
Wed 6/5
Wed 6/12

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In the last 7 days travelers have searched 42,573,820 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$139
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Boston to San Francisco

FAQs for booking flights from Massachusetts to San Francisco

  • How does KAYAK find such low prices on flights from Massachusetts 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 Massachusetts to San Francisco.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Massachusetts 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 Massachusetts 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 Massachusetts with another airline.

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

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

Nonstop departures

Massachusetts to San Francisco

Monday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Tuesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Friday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +81 more

AIR PREMIA, ANA, +82 more

See more direct flights

Nonstop returns

San Francisco to Massachusetts

Monday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Tuesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Friday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +81 more

AIR PREMIA, ANA, +82 more

See more direct flights
See more direct flights

Book cheap flights from Massachusetts to San Francisco

Recent round-trip flight deals

5/27Mon
2 stops
46h 10mBOS-SFO
6/3Mon
2 stops
34h 19mSFO-BOS
$169
5/27Mon
2 stops
17h 36mBOS-SFO
6/3Mon
3 stops
22h 53mSFO-BOS
$171
9/14Sat
1 stopAmerican Airlines
8h 26mBOS-SFO
9/28Sat
1 stopAmerican Airlines
7h 42mSFO-BOS
$195
9/12Thu
1 stopAmerican Airlines
8h 20mBOS-SFO
9/28Sat
1 stopAmerican Airlines
7h 42mSFO-BOS
$210
8/27Tue
nonstopJetBlue
6h 30mBOS-SFO
9/10Tue
nonstopJetBlue
5h 31mSFO-BOS
$217
5/25Sat
1 stopAlaska Airlines
9h 13mBOS-SFO
8/14Wed
1 stopAlaska Airlines
11h 00mSFO-BOS
$218
8/27Tue
1 stopJetBlue
10h 42mBOS-SFO
9/9Mon
nonstopJetBlue
5h 35mSFO-BOS
$227
5/25Sat
1 stopAlaska Airlines
9h 13mBOS-SFO
8/14Wed
nonstopAlaska Airlines
5h 36mSFO-BOS
$232
9/14Sat
nonstopDelta
6h 50mBOS-SFO
9/21Sat
nonstopDelta
5h 37mSFO-BOS
$235
5/29Wed
nonstopDelta
6h 55mBOS-SFO
6/1Sat
1 stopDelta
11h 05mSFO-BOS
$296

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Recent one-way flight deals

6/4Tue
nonstopDelta
6h 55mBOS-SFO
$139
5/28Tue
3 stops
23h 42mBOS-SFO
$141
6/4Tue
1 stopAmerican Airlines
8h 52mBOS-SFO
$144
6/17Mon
nonstopJetBlue
6h 30mBOS-SFO
$146
6/4Tue
1 stopAmerican Airlines
8h 52mBOS-SFO
$148
7/3Wed
nonstopUnited Airlines
6h 27mBOS-SFO
$149
8/30Fri
1 stopJetBlue
11h 35mHYA-SFO
$150
5/31Fri
1 stopSun Country Air
14h 26mBOS-SFO
$150
6/18Tue
nonstopUnited Airlines
6h 28mBOS-SFO
$151
7/20Sat
1 stopSun Country Air
8h 41mBOS-SFO
$158

Search by stops

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Last minute flights from Massachusetts to San Francisco

Last minute flight, train and bus deals

5/11Sat
multi-stopAmerican Airlines
9h 13mBOS-SFO
8/24Sat
multi-stopAmerican Airlines
8h 22mSFO-BOS
$330
5/11Sat
multi-stopAmerican Airlines
9h 38mBOS-SFO
5/13Mon
multi-stopAmerican Airlines
7h 53mSFO-BOS
$334
5/11Sat
multi-stopUnited Airlines
8h 55mBOS-SFO
5/12Sun
multi-stopUnited Airlines
7h 29mSFO-BOS
$406
5/11Sat
nonstopJetBlue
6h 35mBOS-SFO
5/20Mon
nonstopJetBlue
5h 49mSFO-BOS
$420
5/7Tue
nonstopUnited Airlines
6h 42mBOS-SFO
5/13Mon
multi-stopUnited Airlines
7h 50mSFO-BOS
$425
5/11Sat
nonstopDelta
6h 45mBOS-SFO
5/20Mon
nonstopDelta
5h 52mSFO-BOS
$427
5/9Thu
nonstopDelta
6h 50mBOS-SFO
5/14Tue
nonstopDelta
5h 45mSFO-BOS
$430
5/11Sat
nonstopJetBlue
6h 35mBOS-SFO
8/24Sat
multi-stopJetBlue
9h 46mSFO-BOS
$436
5/9Thu
nonstopAlaska Airlines
6h 45mBOS-SFO
5/18Sat
nonstopAlaska Airlines
5h 42mSFO-BOS
$460
5/11Sat
nonstopAlaska Airlines
6h 45mBOS-SFO
5/20Mon
multi-stopAlaska Airlines
10h 30mSFO-BOS
$465

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Flights to San Francisco

Destination:

San Francisco (SFO)United States

Return flight deals:

San Francisco - Massachusetts

Cabin classes:

$783
$1,276
$445
$145