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San Francisco → Boston

Dec 21, 2026 · return Dec 31, 2026

SFO → BOS1 adulteconomyRound trip

11 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 31

JetBlue Airways
3:25 pmSFO
5h 34m
Nonstop
11:59 pmBOS
JetBlue Airways
3:45 pmBOS
6h 47m
Nonstop
7:32 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
8:15 amSFO
5h 43m
Nonstop
4:58 pmBOS
United Airlines
9:00 amBOS
6h 49m
Nonstop
12:49 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
7:00 amSFO
5h 34m
Nonstop
3:34 pmBOS
Delta Air Lines
4:50 pmBOS
6h 48m
Nonstop
8:38 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

JetBlue Airways
7:30 amSFO
5h 35m
Nonstop
4:05 pmBOS
JetBlue Airways
3:45 pmBOS
6h 47m
Nonstop
7:32 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
9:30 pmSFO
5h 36m
Nonstop
6:06 am+1BOS
United Airlines
9:00 amBOS
6h 49m
Nonstop
12:49 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 31

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

Mon, Dec 21 – Thu, Dec 31

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

Mon, Dec 21 – Thu, Dec 31

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

Mon, Dec 21 – Thu, Dec 31

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

Mon, Dec 21 – Thu, Dec 31

JetBlue Airways
8:55 pmSFO
7h 44m
JFK · 1h 6m
7:39 am+1BOS
JetBlue Airways
3:45 pmBOS
6h 47m
Nonstop
7:32 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 pmBOS
Delta Air Lines
1:04 pmBOS
9h 12m
DTW · 1h 40m
7:16 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)
2026-12-21 → 2026-12-31JetBlue AirwaysB6334 / B6333$520.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31United AirlinesUA1693 / UA574$546.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31Delta Air LinesDL400 / DL1655$559.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31American AirlinesAA3119 + AA2089 / AA1243 + AS465$455.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31Southwest AirlinesWN1652 + WN769 / WN1537 + WN2104$468.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31JetBlue AirwaysB6434 / B6333$520.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31United AirlinesUA796 / UA574$546.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31Southwest AirlinesWN2989 + WN4431 / WN1537 + WN2104$468.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31Southwest AirlinesWN2331 + WN2900 / WN1537 + WN2104$468.002026-10-29T01:17:22Z
2026-12-21 → 2026-12-31JetBlue AirwaysB616 + B6118 / B6333$479.502026-10-29T01:17:22Z
2026-12-21 → 2026-12-31Delta Air LinesDL400 / DL2222 + DL442$521.502026-10-29T01:17:22Z

2026-12-21 → 2026-12-31 · $520.00

  • JetBlue Airways B6334: SFO 2026-12-21 15:25:00 → BOS 2026-12-21 23:59:00; nonstop; 334 minutes. Local airport times.
  • JetBlue Airways B6333: BOS 2026-12-31 15:45:00 → SFO 2026-12-31 19:32:00; nonstop; 407 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $546.00

  • United Airlines UA1693: SFO 2026-12-21 08:15:00 → BOS 2026-12-21 16:58:00; nonstop; 343 minutes. Local airport times.
  • United Airlines UA574: BOS 2026-12-31 09:00:00 → SFO 2026-12-31 12:49:00; nonstop; 409 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $559.00

  • Delta Air Lines DL400: SFO 2026-12-21 07:00:00 → BOS 2026-12-21 15:34:00; nonstop; 334 minutes. Local airport times.
  • Delta Air Lines DL1655: BOS 2026-12-31 16:50:00 → SFO 2026-12-31 20:38:00; nonstop; 408 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $455.00

  • American Airlines AA3119 / AA2089: SFO 2026-12-21 23:46:00 → BOS 2026-12-22 10:32:00; 1 stop(s) via ORD; 466 minutes. Local airport times.
    • AA3119: SFO 2026-12-21 23:46:00 → ORD 2026-12-22 05:59:00; layover at ORD: 60 minutes.
    • AA2089: ORD 2026-12-22 06:59:00 → BOS 2026-12-22 10:32:00.
  • American Airlines AA1243 / AS465: BOS 2026-12-31 09:00:00 → SFO 2026-12-31 15:16:00; 1 stop(s) via LAX; 556 minutes. Local airport times.
    • AA1243: BOS 2026-12-31 09:00:00 → LAX 2026-12-31 12:32:00; layover at LAX: 78 minutes.
    • AS465: LAX 2026-12-31 13:50:00 → SFO 2026-12-31 15:16:00.

2026-12-21 → 2026-12-31 · $468.00

  • Southwest Airlines WN1652 / WN769: SFO 2026-12-21 13:20:00 → BOS 2026-12-21 23:45:00; 1 stop(s) via DEN; 445 minutes. Local airport times.
    • WN1652: SFO 2026-12-21 13:20:00 → DEN 2026-12-21 16:55:00; layover at DEN: 60 minutes.
    • WN769: DEN 2026-12-21 17:55:00 → BOS 2026-12-21 23:45:00.
  • Southwest Airlines WN1537 / WN2104: BOS 2026-12-31 05:00:00 → SFO 2026-12-31 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2026-12-31 05:00:00 → DEN 2026-12-31 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2026-12-31 08:40:00 → SFO 2026-12-31 10:30:00.

2026-12-21 → 2026-12-31 · $520.00

  • JetBlue Airways B6434: SFO 2026-12-21 07:30:00 → BOS 2026-12-21 16:05:00; nonstop; 335 minutes. Local airport times.
  • JetBlue Airways B6333: BOS 2026-12-31 15:45:00 → SFO 2026-12-31 19:32:00; nonstop; 407 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $546.00

  • United Airlines UA796: SFO 2026-12-21 21:30:00 → BOS 2026-12-22 06:06:00; nonstop; 336 minutes. Local airport times.
  • United Airlines UA574: BOS 2026-12-31 09:00:00 → SFO 2026-12-31 12:49:00; nonstop; 409 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $468.00

  • Southwest Airlines WN2989 / WN4431: SFO 2026-12-21 13:05:00 → BOS 2026-12-21 23:25:00; 1 stop(s) via STL; 440 minutes. Local airport times.
    • WN2989: SFO 2026-12-21 13:05:00 → STL 2026-12-21 18:55:00; layover at STL: 60 minutes.
    • WN4431: STL 2026-12-21 19:55:00 → BOS 2026-12-21 23:25:00.
  • Southwest Airlines WN1537 / WN2104: BOS 2026-12-31 05:00:00 → SFO 2026-12-31 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2026-12-31 05:00:00 → DEN 2026-12-31 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2026-12-31 08:40:00 → SFO 2026-12-31 10:30:00.

2026-12-21 → 2026-12-31 · $468.00

  • Southwest Airlines WN2331 / WN2900: SFO 2026-12-21 06:00:00 → BOS 2026-12-21 16:20:00; 1 stop(s) via MDW; 440 minutes. Local airport times.
    • WN2331: SFO 2026-12-21 06:00:00 → MDW 2026-12-21 12:15:00; layover at MDW: 60 minutes.
    • WN2900: MDW 2026-12-21 13:15:00 → BOS 2026-12-21 16:20:00.
  • Southwest Airlines WN1537 / WN2104: BOS 2026-12-31 05:00:00 → SFO 2026-12-31 10:30:00; 1 stop(s) via DEN; 510 minutes. Local airport times.
    • WN1537: BOS 2026-12-31 05:00:00 → DEN 2026-12-31 07:40:00; layover at DEN: 60 minutes.
    • WN2104: DEN 2026-12-31 08:40:00 → SFO 2026-12-31 10:30:00.

2026-12-21 → 2026-12-31 · $479.50

  • JetBlue Airways B616 / B6118: SFO 2026-12-21 20:55:00 → BOS 2026-12-22 07:39:00; 1 stop(s) via JFK; 464 minutes. Local airport times.
    • B616: SFO 2026-12-21 20:55:00 → JFK 2026-12-22 05:24:00; layover at JFK: 66 minutes.
    • B6118: JFK 2026-12-22 06:30:00 → BOS 2026-12-22 07:39:00.
  • JetBlue Airways B6333: BOS 2026-12-31 15:45:00 → SFO 2026-12-31 19:32:00; nonstop; 407 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $521.50

  • Delta Air Lines DL400: SFO 2026-12-21 07:00:00 → BOS 2026-12-21 15:30:00; nonstop; 330 minutes. Local airport times.
  • Delta Air Lines DL2222 / DL442: BOS 2026-12-31 13:04:00 → SFO 2026-12-31 19:16:00; 1 stop(s) via DTW; 552 minutes. Local airport times.
    • DL2222: BOS 2026-12-31 13:04:00 → DTW 2026-12-31 15:19:00; layover at DTW: 100 minutes.
    • DL442: DTW 2026-12-31 16:59:00 → SFO 2026-12-31 19:16:00.

More dates for this route