Travel with Axel,
get the best price.

San Francisco → Boston

Dec 3, 2026 · return Dec 13, 2026

SFO → BOS1 adulteconomyRound trip

12 flight options · 6 airlines

Nonstop flights

Thu, Dec 3 – Sun, Dec 13

JetBlue Airways
6:00 amSFO
5h 31m
Nonstop
2:31 pmBOS
JetBlue Airways
6:00 amBOS
6h 42m
Nonstop
9:42 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

United Airlines
11:20 pmSFO
5h 37m
Nonstop
7:57 am+1BOS
United Airlines
6:00 amBOS
6h 51m
Nonstop
9:51 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 pmBOS
Delta Air Lines
8:46 pmBOS
6h 55m
Nonstop
12:41 am+1SFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

JetBlue Airways
3:25 pmSFO
5h 34m
Nonstop
11:59 pmBOS
JetBlue Airways
6:00 amBOS
6h 42m
Nonstop
9:42 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

United Airlines
2:45 pmSFO
5h 38m
Nonstop
11:23 pmBOS
United Airlines
6:00 amBOS
6h 51m
Nonstop
9:51 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

Delta Air Lines
1:05 pmSFO
5h 35m
Nonstop
9:40 pmBOS
Delta Air Lines
8:46 pmBOS
6h 55m
Nonstop
12:41 am+1SFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 3 – Sun, Dec 13

Sun Country Airlines
11:59 pmSFO
7h 48m
MSP · 1h 21m
10:47 am+1BOS
JetBlue Airways
6:00 amBOS
6h 42m
Nonstop
9:42 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

Southwest Airlines
1:20 pmSFO
7h 25m
DEN · 1h
11:45 pmBOS
Southwest Airlines
5:00 amBOS
8h 30m
DEN · 1h
10:30 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

Southwest Airlines
1:05 pmSFO
7h 20m
STL · 1h
11:25 pmBOS
Southwest Airlines
5:00 amBOS
8h 30m
DEN · 1h
10:30 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Sun, Dec 13

JetBlue Airways
8:55 pmSFO
7h 44m
JFK · 1h 6m
7:39 am+1BOS
JetBlue Airways
6:00 amBOS
6h 42m
Nonstop
9:42 amSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ BOS

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)
2026-12-03 → 2026-12-13JetBlue AirwaysB61834 / B61633$400.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13United AirlinesUA1665 / UA2441$420.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13Delta Air LinesDL400 / DL2919$430.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13Sun Country Airlines / JetBlue AirwaysSY398 + SY251 / B61633$340.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13American AirlinesAA3119 + AA2089 / AA1243 + AS465$350.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13Southwest AirlinesWN1652 + WN769 / WN1537 + WN2104$360.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13JetBlue AirwaysB6334 / B61633$400.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13United AirlinesUA1496 / UA2441$420.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13Delta Air LinesDL977 / DL2919$430.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13Southwest AirlinesWN2989 + WN4431 / WN1537 + WN2104$360.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13Southwest AirlinesWN2331 + WN2900 / WN1537 + WN2104$360.002026-10-29T01:17:22Z
2026-12-03 → 2026-12-13JetBlue AirwaysB616 + B6118 / B61633$370.002026-10-29T01:17:22Z

2026-12-03 → 2026-12-13 · $400.00

  • JetBlue Airways B61834: SFO 2026-12-03 06:00:00 → BOS 2026-12-03 14:31:00; nonstop; 331 minutes. Local airport times.
  • JetBlue Airways B61633: BOS 2026-12-13 06:00:00 → SFO 2026-12-13 09:42:00; nonstop; 402 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $420.00

  • United Airlines UA1665: SFO 2026-12-03 23:20:00 → BOS 2026-12-04 07:57:00; nonstop; 337 minutes. Local airport times.
  • United Airlines UA2441: BOS 2026-12-13 06:00:00 → SFO 2026-12-13 09:51:00; nonstop; 411 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $430.00

  • Delta Air Lines DL400: SFO 2026-12-03 07:00:00 → BOS 2026-12-03 15:30:00; nonstop; 330 minutes. Local airport times.
  • Delta Air Lines DL2919: BOS 2026-12-13 20:46:00 → SFO 2026-12-14 00:41:00; nonstop; 415 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $340.00

  • Sun Country Airlines SY398 / SY251: SFO 2026-12-03 23:59:00 → BOS 2026-12-04 10:47:00; 1 stop(s) via MSP; 468 minutes. Local airport times.
    • SY398: SFO 2026-12-03 23:59:00 → MSP 2026-12-04 05:34:00; layover at MSP: 81 minutes.
    • SY251: MSP 2026-12-04 06:55:00 → BOS 2026-12-04 10:47:00.
  • JetBlue Airways B61633: BOS 2026-12-13 06:00:00 → SFO 2026-12-13 09:42:00; nonstop; 402 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $350.00

  • American Airlines AA3119 / AA2089: SFO 2026-12-03 23:46:00 → BOS 2026-12-04 10:32:00; 1 stop(s) via ORD; 466 minutes. Local airport times.
    • AA3119: SFO 2026-12-03 23:46:00 → ORD 2026-12-04 05:59:00; layover at ORD: 60 minutes.
    • AA2089: ORD 2026-12-04 06:59:00 → BOS 2026-12-04 10:32:00.
  • American Airlines AA1243 / AS465: BOS 2026-12-13 09:00:00 → SFO 2026-12-13 15:16:00; 1 stop(s) via LAX; 556 minutes. Local airport times.
    • AA1243: BOS 2026-12-13 09:00:00 → LAX 2026-12-13 12:32:00; layover at LAX: 78 minutes.
    • AS465: LAX 2026-12-13 13:50:00 → SFO 2026-12-13 15:16:00.

2026-12-03 → 2026-12-13 · $360.00

  • Southwest Airlines WN1652 / WN769: SFO 2026-12-03 13:20:00 → BOS 2026-12-03 23:45:00; 1 stop(s) via DEN; 445 minutes. Local airport times.
    • WN1652: SFO 2026-12-03 13:20:00 → DEN 2026-12-03 16:55:00; layover at DEN: 60 minutes.
    • WN769: DEN 2026-12-03 17:55:00 → BOS 2026-12-03 23:45:00.
  • Southwest Airlines WN1537 / WN2104: BOS 2026-12-13 05:00:00 → SFO 2026-12-13 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2026-12-13 05:00:00 → DEN 2026-12-13 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2026-12-13 08:40:00 → SFO 2026-12-13 10:30:00.

2026-12-03 → 2026-12-13 · $400.00

  • JetBlue Airways B6334: SFO 2026-12-03 15:25:00 → BOS 2026-12-03 23:59:00; nonstop; 334 minutes. Local airport times.
  • JetBlue Airways B61633: BOS 2026-12-13 06:00:00 → SFO 2026-12-13 09:42:00; nonstop; 402 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $420.00

  • United Airlines UA1496: SFO 2026-12-03 14:45:00 → BOS 2026-12-03 23:23:00; nonstop; 338 minutes. Local airport times.
  • United Airlines UA2441: BOS 2026-12-13 06:00:00 → SFO 2026-12-13 09:51:00; nonstop; 411 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $430.00

  • Delta Air Lines DL977: SFO 2026-12-03 13:05:00 → BOS 2026-12-03 21:40:00; nonstop; 335 minutes. Local airport times.
  • Delta Air Lines DL2919: BOS 2026-12-13 20:46:00 → SFO 2026-12-14 00:41:00; nonstop; 415 minutes. Local airport times.

2026-12-03 → 2026-12-13 · $360.00

  • Southwest Airlines WN2989 / WN4431: SFO 2026-12-03 13:05:00 → BOS 2026-12-03 23:25:00; 1 stop(s) via STL; 440 minutes. Local airport times.
    • WN2989: SFO 2026-12-03 13:05:00 → STL 2026-12-03 18:55:00; layover at STL: 60 minutes.
    • WN4431: STL 2026-12-03 19:55:00 → BOS 2026-12-03 23:25:00.
  • Southwest Airlines WN1537 / WN2104: BOS 2026-12-13 05:00:00 → SFO 2026-12-13 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2026-12-13 05:00:00 → DEN 2026-12-13 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2026-12-13 08:40:00 → SFO 2026-12-13 10:30:00.

2026-12-03 → 2026-12-13 · $360.00

  • Southwest Airlines WN2331 / WN2900: SFO 2026-12-03 06:00:00 → BOS 2026-12-03 16:20:00; 1 stop(s) via MDW; 440 minutes. Local airport times.
    • WN2331: SFO 2026-12-03 06:00:00 → MDW 2026-12-03 12:15:00; layover at MDW: 60 minutes.
    • WN2900: MDW 2026-12-03 13:15:00 → BOS 2026-12-03 16:20:00.
  • Southwest Airlines WN1537 / WN2104: BOS 2026-12-13 05:00:00 → SFO 2026-12-13 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2026-12-13 05:00:00 → DEN 2026-12-13 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2026-12-13 08:40:00 → SFO 2026-12-13 10:30:00.

2026-12-03 → 2026-12-13 · $370.00

  • JetBlue Airways B616 / B6118: SFO 2026-12-03 20:55:00 → BOS 2026-12-04 07:39:00; 1 stop(s) via JFK; 464 minutes. Local airport times.
    • B616: SFO 2026-12-03 20:55:00 → JFK 2026-12-04 05:24:00; layover at JFK: 66 minutes.
    • B6118: JFK 2026-12-04 06:30:00 → BOS 2026-12-04 07:39:00.
  • JetBlue Airways B61633: BOS 2026-12-13 06:00:00 → SFO 2026-12-13 09:42:00; nonstop; 402 minutes. Local airport times.

More dates for this route