San Francisco → Montreal
Dec 21, 2026 · one way
SFO → YUL1 adulteconomyOne way
7 flight options · 4 airlines
Nonstop flights
One-stop flights
Make this trip yours
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, Air Canada 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
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 dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-21 · one way | Air Canada | AC756 | $330.75 | 2026-10-29T01:20:31Z |
| 2026-12-21 · one way | Porter Airlines | PD672 + PD113 | $276.75 | 2026-10-29T01:20:31Z |
| 2026-12-21 · one way | United Airlines | UA2278 + AC8478 | $317.25 | 2026-10-29T01:20:31Z |
| 2026-12-21 · one way | Delta Air Lines | DL570 + DL2665 | $324.00 | 2026-10-29T01:20:31Z |
| 2026-12-21 · one way | United Airlines | UA1909 + UA3554 | $317.25 | 2026-10-29T01:20:31Z |
| 2026-12-21 · one way | United Airlines | UA2742 + AC1074 | $317.25 | 2026-10-29T01:20:31Z |
| 2026-12-21 · one way | Delta Air Lines | DL1980 + DL5489 | $324.00 | 2026-10-29T01:20:31Z |
2026-12-21 · one way · $330.75
- Air Canada AC756: SFO 2026-12-21 08:25:00 → YUL 2026-12-21 16:46:00; nonstop; 321 minutes. Local airport times.
2026-12-21 · one way · $276.75
- Porter Airlines PD672 / PD113: SFO 2026-12-21 13:45:00 → YUL 2026-12-22 00:39:00; 1 stop(s) via YYZ; 474 minutes. Local airport times.
- PD672: SFO 2026-12-21 13:45:00 → YYZ 2026-12-21 21:42:00; layover at YYZ: 88 minutes.
- PD113: YYZ 2026-12-21 23:10:00 → YUL 2026-12-22 00:39:00.
2026-12-21 · one way · $317.25
- United Airlines UA2278 / AC8478: SFO 2026-12-21 23:10:00 → YUL 2026-12-22 10:17:00; 1 stop(s) via ORD; 487 minutes. Local airport times.
- UA2278: SFO 2026-12-21 23:10:00 → ORD 2026-12-22 05:25:00; layover at ORD: 100 minutes.
- AC8478: ORD 2026-12-22 07:05:00 → YUL 2026-12-22 10:17:00.
2026-12-21 · one way · $324.00
- Delta Air Lines DL570 / DL2665: SFO 2026-12-21 06:00:00 → YUL 2026-12-21 17:25:00; 1 stop(s) via ATL; 505 minutes. Local airport times.
- DL570: SFO 2026-12-21 06:00:00 → ATL 2026-12-21 13:29:00; layover at ATL: 78 minutes.
- DL2665: ATL 2026-12-21 14:47:00 → YUL 2026-12-21 17:25:00.
2026-12-21 · one way · $317.25
- United Airlines UA1909 / UA3554: SFO 2026-12-21 10:05:00 → YUL 2026-12-21 21:42:00; 1 stop(s) via EWR; 517 minutes. Local airport times.
- UA1909: SFO 2026-12-21 10:05:00 → EWR 2026-12-21 18:27:00; layover at EWR: 93 minutes.
- UA3554: EWR 2026-12-21 20:00:00 → YUL 2026-12-21 21:42:00.
2026-12-21 · one way · $317.25
- United Airlines UA2742 / AC1074: SFO 2026-12-21 06:20:00 → YUL 2026-12-21 17:10:00; 1 stop(s) via DEN; 470 minutes. Local airport times.
- UA2742: SFO 2026-12-21 06:20:00 → DEN 2026-12-21 10:00:00; layover at DEN: 85 minutes.
- AC1074: DEN 2026-12-21 11:25:00 → YUL 2026-12-21 17:10:00.
2026-12-21 · one way · $324.00
- Delta Air Lines DL1980 / DL5489: SFO 2026-12-21 12:10:00 → YUL 2026-12-21 23:30:00; 1 stop(s) via MSP; 500 minutes. Local airport times.
- DL1980: SFO 2026-12-21 12:10:00 → MSP 2026-12-21 17:49:00; layover at MSP: 127 minutes.
- DL5489: MSP 2026-12-21 19:56:00 → YUL 2026-12-21 23:30:00.