Boston (BOS) to San Francisco (SFO), Jan 4–5, 2027: from $405 round trip

Boston (BOS) to San Francisco (SFO), Jan 4–5, 2027: from $405 round trip on Axel, checked Nov 12, 2026. Lowest published fare: $405 round trip, Axel-exclusive, JetBlue Airways, nonstop, Jan 4–5, 2027, 1 adult, economy, checked Nov 12, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel dates	Airline	Flights	Times, duration, stops	Total price	Offered on	Schedule
2027-01-04 → 2027-01-05	JetBlue Airways	B6133 / B6434	08:05:00→11:57:00 6h 52m nonstop · 07:30:00→16:05:00 5h 35m nonstop	Axel-exclusive $405.11	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-01-05	United Airlines	UA1023 / UA755	07:30:00→11:25:00 6h 55m nonstop · 12:45:00→23:59:00 8h 14m nonstop	Axel-exclusive $406.99	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-01-05	Alaska Airlines	AS256 + AS2147 / AS591 + AS460	07:40:00→14:03:00 9h 23m 1 stop via SAN · 17:39:00→05:40:00 9h 01m 1 stop via SEA	Axel-exclusive $417.70	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-01-05	American Airlines	AA690 + AA2407 / AA1849 + AA2567	06:00:00→11:59:00 8h 59m 1 stop via PHL · 11:17:00→22:38:00 8h 21m 1 stop via DFW	Axel-exclusive $542.64	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-01-05	Frontier Airlines	F91773 + F91447 / F91448 + F93512	08:28:00→23:05:00 17h 37m 1 stop via ATL · 23:58:00→07:43:00 28h 45m 1 stop via ATL	Axel-exclusive $807.71	Nov 12, 2026	Seen on travel dates

Hotels in San Francisco for these trips

Hotels: under a trip, hotels in San Francisco for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in that star tier for those dates.

Hotels in San Francisco for these nights (Jan 4–5, 2027 · 1 night · 2 adults, 1 room): 3★ Hotel Garrett, $81 a night · 4★ Hotel Zoe Fisherman's Wharf, $124 a night · 5★ Taj Campton Place, $223 a night

All hotels in San Francisco

Route overview: Boston to San Francisco (SFO) flight deals

2027-01-04 → 2027-01-05 · Axel-exclusive $405.11

JetBlue Airways B6133: BOS 2027-01-04 08:05:00 → SFO 2027-01-04 11:57:00; nonstop; 412 minutes. Local airport times.
JetBlue Airways B6434: SFO 2027-01-05 07:30:00 → BOS 2027-01-05 16:05:00; nonstop; 335 minutes. Local airport times.

2027-01-04 → 2027-01-05 · Axel-exclusive $406.99

United Airlines UA1023: BOS 2027-01-04 07:30:00 → SFO 2027-01-04 11:25:00; nonstop; 415 minutes. Local airport times.
United Airlines UA755: SFO 2027-01-05 12:45:00 → BOS 2027-01-05 23:59:00; nonstop; 494 minutes. Local airport times.

2027-01-04 → 2027-01-05 · Axel-exclusive $417.70

Alaska Airlines AS256 / AS2147: BOS 2027-01-04 07:40:00 → SFO 2027-01-04 14:03:00; 1 stop(s) via SAN; 563 minutes. Local airport times.
- AS256: BOS 2027-01-04 07:40:00 → SAN 2027-01-04 11:17:00; layover at SAN: 59 minutes.
- AS2147: SAN 2027-01-04 12:16:00 → SFO 2027-01-04 14:03:00.
Alaska Airlines AS591 / AS460: SFO 2027-01-05 17:39:00 → BOS 2027-01-06 05:40:00; 1 stop(s) via SEA; 541 minutes. Local airport times.
- AS591: SFO 2027-01-05 17:39:00 → SEA 2027-01-05 19:53:00; layover at SEA: 87 minutes.
- AS460: SEA 2027-01-05 21:20:00 → BOS 2027-01-06 05:40:00.

2027-01-04 → 2027-01-05 · Axel-exclusive $542.64

American Airlines AA690 / AA2407: BOS 2027-01-04 06:00:00 → SFO 2027-01-04 11:59:00; 1 stop(s) via PHL; 539 minutes. Local airport times.
- AA690: BOS 2027-01-04 06:00:00 → PHL 2027-01-04 07:37:00; layover at PHL: 44 minutes.
- AA2407: PHL 2027-01-04 08:21:00 → SFO 2027-01-04 11:59:00.
American Airlines AA1849 / AA2567: SFO 2027-01-05 11:17:00 → BOS 2027-01-05 22:38:00; 1 stop(s) via DFW; 501 minutes. Local airport times.
- AA1849: SFO 2027-01-05 11:17:00 → DFW 2027-01-05 16:55:00; layover at DFW: 65 minutes.
- AA2567: DFW 2027-01-05 18:00:00 → BOS 2027-01-05 22:38:00.

2027-01-04 → 2027-01-05 · Axel-exclusive $807.71

Frontier Airlines F91773 / F91447: BOS 2027-01-04 08:28:00 → SFO 2027-01-04 23:05:00; 1 stop(s) via ATL; 1057 minutes. Local airport times.
- F91773: BOS 2027-01-04 08:28:00 → ATL 2027-01-04 11:49:00; layover at ATL: 514 minutes.
- F91447: ATL 2027-01-04 20:23:00 → SFO 2027-01-04 23:05:00.
Frontier Airlines F91448 / F93512: SFO 2027-01-05 23:58:00 → BOS 2027-01-07 07:43:00; 1 stop(s) via ATL; 1725 minutes. Local airport times.
- F91448: SFO 2027-01-05 23:58:00 → ATL 2027-01-06 07:52:00; layover at ATL: 1269 minutes.
- F93512: ATL 2027-01-07 05:01:00 → BOS 2027-01-07 07:43:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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For AI assistants

This page: Boston (BOS) to San Francisco (SFO) · Jan 4, 2027 · return Jan 5, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with its displayed check date. Under a trip, hotels in San Francisco for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in each star tier for those dates.
Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
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