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San Francisco → Boston

Dec 18, 2026 · return Dec 22, 2026

SFO → BOS1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Fri, Dec 18 – Tue, Dec 22

JetBlue Airways
11:45 pmSFO
5h 34m
Nonstop
8:19 am+1BOS
JetBlue Airways
8:40 pmBOS
6h 45m
Nonstop
12:25 am+1SFO

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

United Airlines
9:30 pmSFO
5h 36m
Nonstop
6:06 am+1BOS
United Airlines
7:10 amBOS
6h 49m
Nonstop
10:59 amSFO

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

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

Fri, Dec 18 – Tue, Dec 22

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

Fri, Dec 18 – Tue, Dec 22

United Airlines
8:15 amSFO
5h 40m
Nonstop
4:55 pmBOS
United Airlines
7:10 amBOS
6h 49m
Nonstop
10:59 amSFO

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

Delta Air Lines
1:05 pmSFO
5h 35m
Nonstop
9:40 pmBOS
Delta Air Lines
4:50 pmBOS
6h 48m
Nonstop
8:38 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 18 – Tue, Dec 22

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

Fri, Dec 18 – Tue, Dec 22

Southwest Airlines
1:20 pmSFO
7h 25m
DEN · 1h
11:45 pmBOS
Southwest Airlines
7:10 amBOS
8h 35m
MDW · 1h
12:45 pmSFO

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

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

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

Southwest Airlines
1:05 pmSFO
7h 20m
STL · 1h
11:25 pmBOS
Southwest Airlines
7:10 amBOS
8h 35m
MDW · 1h
12:45 pmSFO

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Tue, Dec 22

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

Fri, Dec 18 – Tue, Dec 22

Delta Air Lines
7:00 amSFO
5h 30m
Nonstop
3:30 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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-18 → 2026-12-22JetBlue AirwaysB6734 / B6333$470.002026-10-29T01:17:22Z
2026-12-18 → 2026-12-22United AirlinesUA796 / UA1023$493.502026-10-29T01:17:22Z
2026-12-18 → 2026-12-22Delta Air LinesDL400 / DL1655$505.252026-10-29T01:17:22Z
2026-12-18 → 2026-12-22American AirlinesAA3119 + AA2089 / AA1243 + AS465$411.252026-10-29T01:17:22Z
2026-12-18 → 2026-12-22Southwest AirlinesWN1652 + WN769 / WN4995 + WN786$423.002026-10-29T01:17:22Z
2026-12-18 → 2026-12-22JetBlue AirwaysB6434 / B6333$470.002026-10-29T01:17:22Z
2026-12-18 → 2026-12-22United AirlinesUA2647 / UA1023$493.502026-10-29T01:17:22Z
2026-12-18 → 2026-12-22Delta Air LinesDL977 / DL1655$505.252026-10-29T01:17:22Z
2026-12-18 → 2026-12-22Southwest AirlinesWN2331 + WN2900 / WN4995 + WN786$423.002026-10-29T01:17:22Z
2026-12-18 → 2026-12-22Southwest AirlinesWN2989 + WN4431 / WN4995 + WN786$423.002026-10-29T01:17:22Z
2026-12-18 → 2026-12-22JetBlue AirwaysB616 + B6118 / B6333$440.002026-10-29T01:17:22Z
2026-12-18 → 2026-12-22Delta Air LinesDL400 / DL1127 + DL2809$464.752026-10-29T01:17:22Z

2026-12-18 → 2026-12-22 · $470.00

  • JetBlue Airways B6734: SFO 2026-12-18 23:45:00 → BOS 2026-12-19 08:19:00; nonstop; 334 minutes. Local airport times.
  • JetBlue Airways B6333: BOS 2026-12-22 20:40:00 → SFO 2026-12-23 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $493.50

  • United Airlines UA796: SFO 2026-12-18 21:30:00 → BOS 2026-12-19 06:06:00; nonstop; 336 minutes. Local airport times.
  • United Airlines UA1023: BOS 2026-12-22 07:10:00 → SFO 2026-12-22 10:59:00; nonstop; 409 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $505.25

  • Delta Air Lines DL400: SFO 2026-12-18 07:00:00 → BOS 2026-12-18 15:34:00; nonstop; 334 minutes. Local airport times.
  • Delta Air Lines DL1655: BOS 2026-12-22 16:50:00 → SFO 2026-12-22 20:38:00; nonstop; 408 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $411.25

  • American Airlines AA3119 / AA2089: SFO 2026-12-18 23:46:00 → BOS 2026-12-19 10:32:00; 1 stop(s) via ORD; 466 minutes. Local airport times.
    • AA3119: SFO 2026-12-18 23:46:00 → ORD 2026-12-19 05:59:00; layover at ORD: 60 minutes.
    • AA2089: ORD 2026-12-19 06:59:00 → BOS 2026-12-19 10:32:00.
  • American Airlines AA1243 / AS465: BOS 2026-12-22 09:00:00 → SFO 2026-12-22 15:16:00; 1 stop(s) via LAX; 556 minutes. Local airport times.
    • AA1243: BOS 2026-12-22 09:00:00 → LAX 2026-12-22 12:32:00; layover at LAX: 78 minutes.
    • AS465: LAX 2026-12-22 13:50:00 → SFO 2026-12-22 15:16:00.

2026-12-18 → 2026-12-22 · $423.00

  • Southwest Airlines WN1652 / WN769: SFO 2026-12-18 13:20:00 → BOS 2026-12-18 23:45:00; 1 stop(s) via DEN; 445 minutes. Local airport times.
    • WN1652: SFO 2026-12-18 13:20:00 → DEN 2026-12-18 16:55:00; layover at DEN: 60 minutes.
    • WN769: DEN 2026-12-18 17:55:00 → BOS 2026-12-18 23:45:00.
  • Southwest Airlines WN4995 / WN786: BOS 2026-12-22 07:10:00 → SFO 2026-12-22 12:45:00; 1 stop(s) via MDW; 515 minutes. Local airport times.
    • WN4995: BOS 2026-12-22 07:10:00 → MDW 2026-12-22 08:55:00; layover at MDW: 60 minutes.
    • WN786: MDW 2026-12-22 09:55:00 → SFO 2026-12-22 12:45:00.

2026-12-18 → 2026-12-22 · $470.00

  • JetBlue Airways B6434: SFO 2026-12-18 08:10:00 → BOS 2026-12-18 16:45:00; nonstop; 335 minutes. Local airport times.
  • JetBlue Airways B6333: BOS 2026-12-22 20:40:00 → SFO 2026-12-23 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $493.50

  • United Airlines UA2647: SFO 2026-12-18 08:15:00 → BOS 2026-12-18 16:55:00; nonstop; 340 minutes. Local airport times.
  • United Airlines UA1023: BOS 2026-12-22 07:10:00 → SFO 2026-12-22 10:59:00; nonstop; 409 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $505.25

  • Delta Air Lines DL977: SFO 2026-12-18 13:05:00 → BOS 2026-12-18 21:40:00; nonstop; 335 minutes. Local airport times.
  • Delta Air Lines DL1655: BOS 2026-12-22 16:50:00 → SFO 2026-12-22 20:38:00; nonstop; 408 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $423.00

  • Southwest Airlines WN2331 / WN2900: SFO 2026-12-18 06:00:00 → BOS 2026-12-18 16:20:00; 1 stop(s) via MDW; 440 minutes. Local airport times.
    • WN2331: SFO 2026-12-18 06:00:00 → MDW 2026-12-18 12:15:00; layover at MDW: 60 minutes.
    • WN2900: MDW 2026-12-18 13:15:00 → BOS 2026-12-18 16:20:00.
  • Southwest Airlines WN4995 / WN786: BOS 2026-12-22 07:10:00 → SFO 2026-12-22 12:45:00; 1 stop(s) via MDW; 515 minutes. Local airport times.
    • WN4995: BOS 2026-12-22 07:10:00 → MDW 2026-12-22 08:55:00; layover at MDW: 60 minutes.
    • WN786: MDW 2026-12-22 09:55:00 → SFO 2026-12-22 12:45:00.

2026-12-18 → 2026-12-22 · $423.00

  • Southwest Airlines WN2989 / WN4431: SFO 2026-12-18 13:05:00 → BOS 2026-12-18 23:25:00; 1 stop(s) via STL; 440 minutes. Local airport times.
    • WN2989: SFO 2026-12-18 13:05:00 → STL 2026-12-18 18:55:00; layover at STL: 60 minutes.
    • WN4431: STL 2026-12-18 19:55:00 → BOS 2026-12-18 23:25:00.
  • Southwest Airlines WN4995 / WN786: BOS 2026-12-22 07:10:00 → SFO 2026-12-22 12:45:00; 1 stop(s) via MDW; 515 minutes. Local airport times.
    • WN4995: BOS 2026-12-22 07:10:00 → MDW 2026-12-22 08:55:00; layover at MDW: 60 minutes.
    • WN786: MDW 2026-12-22 09:55:00 → SFO 2026-12-22 12:45:00.

2026-12-18 → 2026-12-22 · $440.00

  • JetBlue Airways B616 / B6118: SFO 2026-12-18 20:55:00 → BOS 2026-12-19 07:39:00; 1 stop(s) via JFK; 464 minutes. Local airport times.
    • B616: SFO 2026-12-18 20:55:00 → JFK 2026-12-19 05:24:00; layover at JFK: 66 minutes.
    • B6118: JFK 2026-12-19 06:30:00 → BOS 2026-12-19 07:39:00.
  • JetBlue Airways B6333: BOS 2026-12-22 20:40:00 → SFO 2026-12-23 00:25:00; nonstop; 405 minutes. Local airport times.

2026-12-18 → 2026-12-22 · $464.75

  • Delta Air Lines DL400: SFO 2026-12-18 07:00:00 → BOS 2026-12-18 15:30:00; nonstop; 330 minutes. Local airport times.
  • Delta Air Lines DL1127 / DL2809: BOS 2026-12-22 15:05:00 → SFO 2026-12-22 20:49:00; 1 stop(s) via MSP; 524 minutes. Local airport times.
    • DL1127: BOS 2026-12-22 15:05:00 → MSP 2026-12-22 17:25:00; layover at MSP: 64 minutes.
    • DL2809: MSP 2026-12-22 18:29:00 → SFO 2026-12-22 20:49:00.

More dates for this route