Ottawa to San Francisco flights (YOW → SFO)
Looking for Ottawa to San Francisco flights? Cheapest round-trip I’ve found: $574 on WestJet, 1 stop(s), departing 2026-10-15. That’s $107 below the typical price for this route. Cheap flights from Ottawa to San Francisco change daily — I re-check this route three times a day.
Deal score: Good price — cheaper than 60% of prices I’ve seen on this route.
Best months to fly Ottawa to San Francisco
| Month | Cheapest seen |
|---|---|
| September | $416 |
| December | $458 |
| November | $472 |
| October | $481 |
| February | $572 |
| January | $624 |
How to book this fare
I don’t sell tickets — I track prices and point you to where to look. To book Ottawa to San Francisco flights:
- Search Ottawa to San Francisco on Google Flights for the dates shown above (Oct 2026) — the fare I found is usually still available there.
- Compare the same dates on metasearch sites like Skyscanner or KAYAK to confirm you’re seeing the lowest price.
- Book directly with the airline when you can — it’s often the same price and makes changes or cancellations much easier.
Fares change constantly. If the price has moved, check back — I re-check this route daily.
Other Ottawa to … flights
- Ottawa to Melbourne flights — $2,011
- Ottawa to Montego Bay flights — $530
- Ottawa to Brasilia flights — $1,540
- Ottawa to Sydney flights — $2,013
- Ottawa to Perth flights — $2,634
- Ottawa to Montreal flights — $403
- Ottawa to Calgary flights — $247
- Ottawa to Reykjavik flights — $767
All flights to San Francisco · All flights from Ottawa
Prices last checked: 2026-09-24, 10:04:41 p.m.. Prices are indicative and change quickly — confirm on the airline site before booking. See how I find these deals.