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San Francisco → Boston

Dec 5, 2026 · return Dec 7, 2026

SFO → BOS1 adulteconomyRound trip

11 flight options · 5 airlines

Nonstop flights

Sat, Dec 5 – Mon, Dec 7

JetBlue Airways
8:10 amSFO
5h 35m
Nonstop
4:45 pmBOS
JetBlue Airways
8:40 pmBOS
6h 45m
Nonstop
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

United Airlines
9:25 pmSFO
5h 40m
Nonstop
6:05 am+1BOS
United Airlines
6:01 pmBOS
6h 49m
Nonstop
9:50 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

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

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

JetBlue Airways
3:25 pmSFO
5h 34m
Nonstop
11:59 pmBOS
JetBlue Airways
8:40 pmBOS
6h 45m
Nonstop
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

United Airlines
2:45 pmSFO
5h 38m
Nonstop
11:23 pmBOS
United Airlines
6:01 pmBOS
6h 49m
Nonstop
9:50 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 5 – Mon, Dec 7

Sun Country Airlines
11:59 pmSFO
7h 48m
MSP · 1h 21m
10:47 am+1BOS
JetBlue Airways
8:40 pmBOS
6h 45m
Nonstop
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

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

Sat, Dec 5 – Mon, Dec 7

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

Sat, Dec 5 – Mon, Dec 7

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

Sat, Dec 5 – Mon, Dec 7

JetBlue Airways
8:55 pmSFO
7h 44m
JFK · 1h 6m
7:39 am+1BOS
JetBlue Airways
8:40 pmBOS
6h 45m
Nonstop
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Mon, Dec 7

Delta Air Lines
7:20 amSFO
5h 35m
Nonstop
3:55 pmBOS
Delta Air Lines
3:05 pmBOS
8h 44m
MSP · 1h 4m
8:49 pmSFO

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.

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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)
2026-12-05 → 2026-12-07JetBlue AirwaysB6434 / B6333$400.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07United AirlinesUA796 / UA2400$420.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07Delta Air LinesDL400 / DL1655$430.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07Sun Country Airlines / JetBlue AirwaysSY398 + SY251 / B6333$340.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07Southwest AirlinesWN1652 + WN769 / WN1537 + WN2104$360.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07JetBlue AirwaysB6334 / B6333$400.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07United AirlinesUA1496 / UA2400$420.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07Southwest AirlinesWN2331 + WN2900 / WN1537 + WN2104$360.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07Southwest AirlinesWN2989 + WN4431 / WN1537 + WN2104$360.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07JetBlue AirwaysB616 + B6118 / B6333$370.002026-10-29T01:17:22Z
2026-12-05 → 2026-12-07Delta Air LinesDL400 / DL1127 + DL2809$400.002026-10-29T01:17:22Z

2026-12-05 → 2026-12-07 · $400.00

  • JetBlue Airways B6434: SFO 2026-12-05 08:10:00 → BOS 2026-12-05 16:45:00; nonstop; 335 minutes. Local airport times.
  • JetBlue Airways B6333: BOS 2026-12-07 20:40:00 → SFO 2026-12-08 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $420.00

  • United Airlines UA796: SFO 2026-12-05 21:25:00 → BOS 2026-12-06 06:05:00; nonstop; 340 minutes. Local airport times.
  • United Airlines UA2400: BOS 2026-12-07 18:01:00 → SFO 2026-12-07 21:50:00; nonstop; 409 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $430.00

  • Delta Air Lines DL400: SFO 2026-12-05 07:00:00 → BOS 2026-12-05 15:30:00; nonstop; 330 minutes. Local airport times.
  • Delta Air Lines DL1655: BOS 2026-12-07 16:50:00 → SFO 2026-12-07 20:38:00; nonstop; 408 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $340.00

  • Sun Country Airlines SY398 / SY251: SFO 2026-12-05 23:59:00 → BOS 2026-12-06 10:47:00; 1 stop(s) via MSP; 468 minutes. Local airport times.
    • SY398: SFO 2026-12-05 23:59:00 → MSP 2026-12-06 05:34:00; layover at MSP: 81 minutes.
    • SY251: MSP 2026-12-06 06:55:00 → BOS 2026-12-06 10:47:00.
  • JetBlue Airways B6333: BOS 2026-12-07 20:40:00 → SFO 2026-12-08 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $360.00

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

2026-12-05 → 2026-12-07 · $400.00

  • JetBlue Airways B6334: SFO 2026-12-05 15:25:00 → BOS 2026-12-05 23:59:00; nonstop; 334 minutes. Local airport times.
  • JetBlue Airways B6333: BOS 2026-12-07 20:40:00 → SFO 2026-12-08 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $420.00

  • United Airlines UA1496: SFO 2026-12-05 14:45:00 → BOS 2026-12-05 23:23:00; nonstop; 338 minutes. Local airport times.
  • United Airlines UA2400: BOS 2026-12-07 18:01:00 → SFO 2026-12-07 21:50:00; nonstop; 409 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $360.00

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

2026-12-05 → 2026-12-07 · $360.00

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

2026-12-05 → 2026-12-07 · $370.00

  • JetBlue Airways B616 / B6118: SFO 2026-12-05 20:55:00 → BOS 2026-12-06 07:39:00; 1 stop(s) via JFK; 464 minutes. Local airport times.
    • B616: SFO 2026-12-05 20:55:00 → JFK 2026-12-06 05:24:00; layover at JFK: 66 minutes.
    • B6118: JFK 2026-12-06 06:30:00 → BOS 2026-12-06 07:39:00.
  • JetBlue Airways B6333: BOS 2026-12-07 20:40:00 → SFO 2026-12-08 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-05 → 2026-12-07 · $400.00

  • Delta Air Lines DL400: SFO 2026-12-05 07:20:00 → BOS 2026-12-05 15:55:00; nonstop; 335 minutes. Local airport times.
  • Delta Air Lines DL1127 / DL2809: BOS 2026-12-07 15:05:00 → SFO 2026-12-07 20:49:00; 1 stop(s) via MSP; 524 minutes. Local airport times.
    • DL1127: BOS 2026-12-07 15:05:00 → MSP 2026-12-07 17:25:00; layover at MSP: 64 minutes.
    • DL2809: MSP 2026-12-07 18:29:00 → SFO 2026-12-07 20:49:00.

More dates for this route