Travel with Axel,
get the best price.

Boston → San Francisco

Feb 13, 2027 · return Feb 15, 2027

BOS → SFO1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Sat, Feb 13 – Mon, Feb 15

JetBlue Airways
3:45 pmBOS
6h 54m
Nonstop
7:39 pmSFO
JetBlue Airways
7:30 amSFO
5h 35m
Nonstop
4:05 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

Delta Air Lines
7:50 amBOS
6h 51m
Nonstop
11:41 amSFO
Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

United Airlines
6:00 amBOS
6h 51m
Nonstop
9:51 amSFO
United Airlines
9:30 pmSFO
5h 36m
Nonstop
6:06 am+1BOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

JetBlue Airways
8:59 pmBOS
6h 45m
Nonstop
12:44 am+1SFO
JetBlue Airways
7:30 amSFO
5h 35m
Nonstop
4:05 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

Delta Air Lines
4:50 pmBOS
6h 48m
Nonstop
8:38 pmSFO
Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

United Airlines
6:01 pmBOS
6h 49m
Nonstop
9:50 pmSFO
United Airlines
9:30 pmSFO
5h 36m
Nonstop
6:06 am+1BOS

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Feb 13 – Mon, Feb 15

Southwest Airlines
7:10 amBOS
8h 35m
MDW · 1h
12:45 pmSFO
Southwest Airlines
6:00 amSFO
7h 20m
MDW · 1h
4:20 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

American Airlines
9:00 amBOS
9h 16m
LAX · 1h 18m
3:16 pmSFO
American Airlines
11:46 pmSFO
7h 46m
ORD · 1h
10:32 am+1BOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

Southwest Airlines
5:00 amBOS
8h 30m
DEN · 1h
10:30 amSFO
Southwest Airlines
6:00 amSFO
7h 20m
MDW · 1h
4:20 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

United Airlines
9:30 amBOS
9h 14m
IAD · 1h 20m
3:44 pmSFO
United Airlines
9:30 pmSFO
5h 36m
Nonstop
6:06 am+1BOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

Delta Air Lines
3:05 pmBOS
8h 44m
MSP · 1h 4m
8:49 pmSFO
Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 pmBOS

Round-trip total · 1 adult · Taxes included

Sat, Feb 13 – Mon, Feb 15

Delta Air Lines
1:04 pmBOS
9h 12m
DTW · 1h 40m
7:16 pmSFO
Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 pmBOS

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ SFO

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, JetBlue Airways emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-02-13 → 2027-02-15JetBlue AirwaysB6333 / B6434$480.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15Delta Air LinesDL977 / DL400$528.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15United AirlinesUA2441 / UA796$528.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15Southwest AirlinesWN4995 + WN786 / WN2331 + WN2900$420.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15American AirlinesAA1243 + AS465 / AA3119 + AA2089$432.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15JetBlue AirwaysB6733 / B6434$480.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15Delta Air LinesDL1655 / DL400$528.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15United AirlinesUA2400 / UA796$528.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15Southwest AirlinesWN1537 + WN2104 / WN2331 + WN2900$420.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15United AirlinesUA2098 + UA1434 / UA796$486.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15Delta Air LinesDL1127 + DL2809 / DL400$492.002026-10-29T00:52:48Z
2027-02-13 → 2027-02-15Delta Air LinesDL2222 + DL442 / DL400$492.002026-10-29T00:52:48Z

2027-02-13 → 2027-02-15 · $480.00

  • JetBlue Airways B6333: BOS 2027-02-13 15:45:00 → SFO 2027-02-13 19:39:00; nonstop; 414 minutes. Local airport times.
  • JetBlue Airways B6434: SFO 2027-02-15 07:30:00 → BOS 2027-02-15 16:05:00; nonstop; 335 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $528.00

  • Delta Air Lines DL977: BOS 2027-02-13 07:50:00 → SFO 2027-02-13 11:41:00; nonstop; 411 minutes. Local airport times.
  • Delta Air Lines DL400: SFO 2027-02-15 07:00:00 → BOS 2027-02-15 15:30:00; nonstop; 330 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $528.00

  • United Airlines UA2441: BOS 2027-02-13 06:00:00 → SFO 2027-02-13 09:51:00; nonstop; 411 minutes. Local airport times.
  • United Airlines UA796: SFO 2027-02-15 21:30:00 → BOS 2027-02-16 06:06:00; nonstop; 336 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $420.00

  • Southwest Airlines WN4995 / WN786: BOS 2027-02-13 07:10:00 → SFO 2027-02-13 12:45:00; 1 stop(s) via MDW; 515 minutes. Local airport times.
    • WN4995: BOS 2027-02-13 07:10:00 → MDW 2027-02-13 08:55:00; layover at MDW: 60 minutes.
    • WN786: MDW 2027-02-13 09:55:00 → SFO 2027-02-13 12:45:00.
  • Southwest Airlines WN2331 / WN2900: SFO 2027-02-15 06:00:00 → BOS 2027-02-15 16:20:00; 1 stop(s) via MDW; 440 minutes. Local airport times.
    • WN2331: SFO 2027-02-15 06:00:00 → MDW 2027-02-15 12:15:00; layover at MDW: 60 minutes.
    • WN2900: MDW 2027-02-15 13:15:00 → BOS 2027-02-15 16:20:00.

2027-02-13 → 2027-02-15 · $432.00

  • American Airlines AA1243 / AS465: BOS 2027-02-13 09:00:00 → SFO 2027-02-13 15:16:00; 1 stop(s) via LAX; 556 minutes. Local airport times.
    • AA1243: BOS 2027-02-13 09:00:00 → LAX 2027-02-13 12:32:00; layover at LAX: 78 minutes.
    • AS465: LAX 2027-02-13 13:50:00 → SFO 2027-02-13 15:16:00.
  • American Airlines AA3119 / AA2089: SFO 2027-02-15 23:46:00 → BOS 2027-02-16 10:32:00; 1 stop(s) via ORD; 466 minutes. Local airport times.
    • AA3119: SFO 2027-02-15 23:46:00 → ORD 2027-02-16 05:59:00; layover at ORD: 60 minutes.
    • AA2089: ORD 2027-02-16 06:59:00 → BOS 2027-02-16 10:32:00.

2027-02-13 → 2027-02-15 · $480.00

  • JetBlue Airways B6733: BOS 2027-02-13 20:59:00 → SFO 2027-02-14 00:44:00; nonstop; 405 minutes. Local airport times.
  • JetBlue Airways B6434: SFO 2027-02-15 07:30:00 → BOS 2027-02-15 16:05:00; nonstop; 335 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $528.00

  • Delta Air Lines DL1655: BOS 2027-02-13 16:50:00 → SFO 2027-02-13 20:38:00; nonstop; 408 minutes. Local airport times.
  • Delta Air Lines DL400: SFO 2027-02-15 07:00:00 → BOS 2027-02-15 15:30:00; nonstop; 330 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $528.00

  • United Airlines UA2400: BOS 2027-02-13 18:01:00 → SFO 2027-02-13 21:50:00; nonstop; 409 minutes. Local airport times.
  • United Airlines UA796: SFO 2027-02-15 21:30:00 → BOS 2027-02-16 06:06:00; nonstop; 336 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $420.00

  • Southwest Airlines WN1537 / WN2104: BOS 2027-02-13 05:00:00 → SFO 2027-02-13 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2027-02-13 05:00:00 → DEN 2027-02-13 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2027-02-13 08:40:00 → SFO 2027-02-13 10:30:00.
  • Southwest Airlines WN2331 / WN2900: SFO 2027-02-15 06:00:00 → BOS 2027-02-15 16:20:00; 1 stop(s) via MDW; 440 minutes. Local airport times.
    • WN2331: SFO 2027-02-15 06:00:00 → MDW 2027-02-15 12:15:00; layover at MDW: 60 minutes.
    • WN2900: MDW 2027-02-15 13:15:00 → BOS 2027-02-15 16:20:00.

2027-02-13 → 2027-02-15 · $486.00

  • United Airlines UA2098 / UA1434: BOS 2027-02-13 09:30:00 → SFO 2027-02-13 15:44:00; 1 stop(s) via IAD; 554 minutes. Local airport times.
    • UA2098: BOS 2027-02-13 09:30:00 → IAD 2027-02-13 11:15:00; layover at IAD: 80 minutes.
    • UA1434: IAD 2027-02-13 12:35:00 → SFO 2027-02-13 15:44:00.
  • United Airlines UA796: SFO 2027-02-15 21:30:00 → BOS 2027-02-16 06:06:00; nonstop; 336 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $492.00

  • Delta Air Lines DL1127 / DL2809: BOS 2027-02-13 15:05:00 → SFO 2027-02-13 20:49:00; 1 stop(s) via MSP; 524 minutes. Local airport times.
    • DL1127: BOS 2027-02-13 15:05:00 → MSP 2027-02-13 17:25:00; layover at MSP: 64 minutes.
    • DL2809: MSP 2027-02-13 18:29:00 → SFO 2027-02-13 20:49:00.
  • Delta Air Lines DL400: SFO 2027-02-15 07:00:00 → BOS 2027-02-15 15:30:00; nonstop; 330 minutes. Local airport times.

2027-02-13 → 2027-02-15 · $492.00

  • Delta Air Lines DL2222 / DL442: BOS 2027-02-13 13:04:00 → SFO 2027-02-13 19:16:00; 1 stop(s) via DTW; 552 minutes. Local airport times.
    • DL2222: BOS 2027-02-13 13:04:00 → DTW 2027-02-13 15:19:00; layover at DTW: 100 minutes.
    • DL442: DTW 2027-02-13 16:59:00 → SFO 2027-02-13 19:16:00.
  • Delta Air Lines DL400: SFO 2027-02-15 07:00:00 → BOS 2027-02-15 15:30:00; nonstop; 330 minutes. Local airport times.

More dates for this route