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Boston to San Francisco flights
The cheapest Boston to San Francisco fare we found recently is $155 on Tue, 10 Nov with Alaska Airlines. The route covers 4,341 km and has direct flights.
Cheapest$155Tue, 10 Nov
Typical fare$222Next 2 months
Flight time6h 45m4,341 km
DirectYesfrom $163
Cheapest month to fly
Lowest fare per month · tap to search
Cheapest upcoming dates
Recent real fares per adult, economy
| Date | Airline | Stops | Duration | Fare | Action |
|---|---|---|---|---|---|
| Tue, 10 Nov 07:03 |  Alaska Airlines | 1 stop | 8h 04m | $155 | Compare |
| Fri, 6 Nov 15:50 |  jetBlue | Non-stop | 6h 45m | $163 | Compare |
| Mon, 19 Oct 21:45 |  Southwest Airlines | 2 stops | 8h 35m | $190 | Compare |
| Thu, 26 Nov 06:00 |  United Airlines | 2 stops | 9h 08m | $218 | Compare |
| Thu, 22 Oct 05:17 |  American Airlines | 1 stop | 8h 06m | $222 | Compare |
| Fri, 16 Oct 16:57 | American Airlines | 1 stop | 7h 50m | $313 | Compare |
| Sat, 17 Oct 07:29 | American Airlines | 1 stop | 8h 14m | $313 | Compare |
| Sun, 18 Oct 06:00 | United Airlines | Non-stop | 6h 30m | $368 | Compare |
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Booking sites for this route
Estimated convenience fee per traveller, per flight
Airlines on this route
Alaska Airlines from $155jetBlue from $163Southwest Airlines from $190United Airlines from $218American Airlines from $222Route facts
FromLogan International Airport (BOS)
ToSan Francisco International Airport (SFO)
Distance4,341 km
TypeDomestic · United States
Departure time zoneAmerica/New_York
Arrival time zoneAmerica/Los_Angeles
Coupons for this trip
MakeMyTrip
Up to 15% off with select payment options
Listed on MakeMyTrip flight results. Eligibility and cap are shown at checkout. Valid till 31 Oct.
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Discount with PNB credit cards
Pay with a PNB credit card. Listed on MakeMyTrip flight results. Valid till 31 Oct.
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Flat 12% off on ICICI Bank card EMI
ICICI Bank credit card EMI transactions. Listed on MakeMyTrip flight results. Valid till 31 Oct.
Boston to San Francisco: questions
What is the cheapest flight from Boston to San Francisco?
The lowest recent fare is $155 per adult on 10 November with Alaska Airlines. Typical fares in the next two months are around $222.
How long is the flight from Boston to San Francisco?
The fastest flight we found takes 6h 30m; a typical journey takes 6h 45m. Connecting itineraries take longer.
Which airlines fly from Boston to San Francisco?
Recent fares on this route include Alaska Airlines, jetBlue, Southwest Airlines, United Airlines, American Airlines.
When is the cheapest time to fly from Boston to San Francisco?
Based on recent searches, November 2026 has the lowest fares, from $163. Prices rise closer to departure, so booking 3–6 weeks ahead usually helps.
Is there a direct flight from Boston to San Francisco?
Yes. Non-stop fares start from $163 in recent searches.
Which site is cheapest for Boston to San Francisco flights?
It changes by date. Aeroport compares each site's estimated checkout total — fare plus convenience fee, minus active coupons — so you can see the cheapest site for your exact flight before you book.