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$98 Find cheap flights from Massachusetts 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 8/20. 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
Sat 6/15
Sat 6/22

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Good to know

Low season

January

High season

July

Cheapest flight

$98
Best time to beat the crowds with an average 5% 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

6/5Wed
2 stops
46h 10mBOS-SFO
6/12Wed
2 stops
34h 19mSFO-BOS
$170
6/5Wed
2 stops
17h 36mBOS-SFO
6/12Wed
3 stops
22h 53mSFO-BOS
$171
8/20Tue
1 stopAmerican Airlines
10h 35mBOS-SFO
8/27Tue
1 stopAmerican Airlines
8h 05mSFO-BOS
$197
9/14Sat
1 stopAmerican Airlines
8h 13mBOS-SFO
10/8Tue
1 stopAmerican Airlines
7h 58mSFO-BOS
$198
7/13Sat
nonstopDelta
6h 52mBOS-SFO
7/22Mon
nonstopDelta
5h 46mSFO-BOS
$217
8/24Sat
nonstopUnited Airlines
6h 30mBOS-SFO
9/4Wed
1 stopUnited Airlines
9h 39mSFO-BOS
$222
8/20Tue
nonstopJetBlue
6h 30mBOS-SFO
9/3Tue
1 stopJetBlue
9h 48mSFO-BOS
$226
9/1Sun
nonstopJetBlue
6h 34mBOS-SFO
9/11Wed
nonstopJetBlue
5h 44mSFO-BOS
$235
7/11Thu
nonstopDelta
6h 52mBOS-SFO
7/17Wed
nonstopDelta
6h 00mSFO-BOS
$241
9/10Tue
1 stopUnited Airlines
8h 01mALB-SFO
9/20Fri
1 stopUnited Airlines
7h 48mSFO-ALB
$246

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Recent one-way flight deals

8/20Tue
1 stopAmerican Airlines
8h 20mBOS-SFO
$98
9/7Sat
1 stopAmerican Airlines
8h 38mBOS-SFO
$99
8/21Wed
nonstopJetBlue
6h 30mBOS-SFO
$100
7/13Sat
nonstopDelta
6h 52mBOS-SFO
$110
8/21Wed
1 stopJetBlue
12h 20mBOS-SFO
$115
8/17Sat
1 stopUnited Airlines
8h 30mBOS-SFO
$119
8/16Fri
nonstopDelta
6h 59mBOS-SFO
$128
6/4Tue
3 stops
25h 57mBOS-SFO
$147
6/11Tue
nonstopUnited Airlines
6h 28mBOS-SFO
$150
6/11Tue
3 stops
26h 12mBOS-SFO
$159

Search by stops

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Search by price

Last minute flights from Massachusetts to San Francisco

Last minute flight, train and bus deals

5/20Mon
multi-stopAmerican Airlines
24h 14mORH-SFO
5/21Tue
multi-stopAmerican Airlines
18h 14mSFO-ORH
$384
5/17Fri
nonstopJetBlue
6h 35mBOS-SFO
5/29Wed
nonstopJetBlue
5h 49mSFO-BOS
$411
5/17Fri
nonstopJetBlue
6h 26mBOS-SFO
5/25Sat
nonstopJetBlue
5h 58mSFO-BOS
$420
5/18Sat
nonstopDelta
6h 45mBOS-SFO
5/29Wed
nonstopDelta
5h 45mSFO-BOS
$427
5/18Sat
multi-stopAmerican Airlines
9h 13mBOS-SFO
5/27Mon
multi-stopAmerican Airlines
8h 34mSFO-BOS
$438
5/18Sat
nonstopDelta
6h 45mBOS-SFO
5/27Mon
nonstopDelta
5h 52mSFO-BOS
$465
5/18Sat
multi-stopAlaska Airlines
9h 13mBOS-SFO
5/22Wed
nonstopAlaska Airlines
5h 51mSFO-BOS
$481
5/18Sat
multi-stopUnited Airlines
8h 56mBOS-SFO
5/21Tue
nonstopUnited Airlines
5h 49mSFO-BOS
$483
5/17Fri
multi-stopUnited Airlines
8h 58mBOS-SFO
5/17Fri
multi-stopUnited Airlines
7h 50mSFO-BOS
$488
5/19Sun
nonstopAlaska Airlines
6h 35mBOS-SFO
5/22Wed
nonstopAlaska Airlines
5h 51mSFO-BOS
$512

Search by stops

Search by airline

Search by price