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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 9/4. 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
ma 6/17
ma 6/24

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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

6/6do
2 stops
17h 36mBOS-SFO
6/13do
3 stops
22h 53mSFO-BOS
$172
6/6do
3 stops
22h 10mBOS-SFO
6/13do
3 stops
22h 53mSFO-BOS
$180
9/24di
1 stopAmerican Airlines
8h 33mBOS-SFO
10/2wo
1 stopAmerican Airlines
7h 53mSFO-BOS
$195
9/17di
1 stopAmerican Airlines
8h 48mBOS-SFO
9/24di
1 stopAmerican Airlines
7h 40mSFO-BOS
$197
8/22do
nonstopJetBlue
6h 31mBOS-SFO
8/27di
nonstopJetBlue
5h 37mSFO-BOS
$217
8/22do
nonstopUnited Airlines
6h 32mBOS-SFO
8/27di
1 stopUnited Airlines
9h 39mSFO-BOS
$222
7/11do
nonstopJetBlue
6h 30mBOS-SFO
7/16di
nonstopJetBlue
5h 41mSFO-BOS
$226
8/22do
1 stopUnited Airlines
8h 39mBOS-SFO
8/27di
1 stopUnited Airlines
9h 39mSFO-BOS
$232
7/11do
nonstopDelta
6h 52mBOS-SFO
7/15ma
nonstopDelta
5h 46mSFO-BOS
$241
7/13za
nonstopDelta
6h 52mBOS-SFO
7/22ma
nonstopDelta
5h 46mSFO-BOS
$243

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Recent one-way flight deals

9/4wo
1 stopAmerican Airlines
10h 07mBOS-SFO
$98
9/7za
1 stopAmerican Airlines
8h 13mBOS-SFO
$99
6/8za
nonstopJetBlue
6h 27mBOS-SFO
$100
7/13za
nonstopDelta
6h 52mBOS-SFO
$110
6/7vr
nonstopJetBlue
6h 26mBOS-SFO
$118
8/17za
1 stopUnited Airlines
8h 30mBOS-SFO
$119
6/12wo
nonstopDelta
6h 45mBOS-SFO
$120
6/13do
2 stops
28h 37mBOS-SFO
$150
6/11di
1 stopUnited Airlines
8h 08mBDL-SFO
$159
6/4di
3 stops
25h 57mBOS-SFO
$166

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to San Francisco

Last minute flight, train and bus deals

5/22wo
nonstopDelta
6h 55mBOS-SFO
5/28di
nonstopDelta
5h 45mSFO-BOS
$420
5/21di
nonstopJetBlue
6h 26mBOS-SFO
5/25za
nonstopJetBlue
5h 57mSFO-BOS
$430
5/21di
multi-stopUnited Airlines
9h 00mBOS-SFO
5/29wo
multi-stopUnited Airlines
9h 49mSFO-BOS
$435
5/21di
multi-stopAmerican Airlines
10h 17mBOS-SFO
5/25za
multi-stopAmerican Airlines
9h 54mSFO-BOS
$436
5/22wo
multi-stopAmerican Airlines
11h 09mBOS-SFO
5/25za
multi-stopAmerican Airlines
10h 36mSFO-BOS
$438
5/21di
multi-stopUnited Airlines
8h 45mBOS-SFO
5/27ma
multi-stopUnited Airlines
8h 19mSFO-BOS
$439
5/22wo
multi-stopAlaska Airlines
9h 13mBOS-SFO
5/28di
nonstopAlaska Airlines
5h 42mSFO-BOS
$469
5/22wo
multi-stop
9h 13mBOS-SFO
5/27ma
multi-stop
7h 34mSFO-BOS
$477
5/22wo
multi-stop
9h 13mBOS-SFO
5/27ma
multi-stop
7h 34mSFO-BOS
$481
5/22wo
multi-stopAlaska Airlines
9h 13mBOS-SFO
5/27ma
nonstopAlaska Airlines
5h 51mSFO-BOS
$494

Search by stops

Search by airline

Search by price