ONT · Ontario Intl
Cheap flights from Ontario
The cheapest flight from Ontario today is $32 to San Francisco. The 30-day low is $32, as of Oct 30.
- Today’s low
- $32San Francisco
- 30-day low
- $32as of Oct 30
Live deals from Ontario
BookSan Francisco SFO
Dec 5 – Dec 9 · 4 nights
$32
BookLas Vegas LAS
Nov 22 – Nov 24 · 2 nights
$47
BookSalt Lake City SLC
Dec 1 – Dec 8 · 7 nights
$84
BookSan Jose SJC
Dec 5 – Dec 9 · 4 nights
$89
BookOakland OAK
Dec 5 – Dec 9 · 4 nights
$96
BookPhoenix PHX
Nov 10 – Nov 11 · 1 nights
$101
BookDallas DFW
Dec 1 – Dec 4 · 3 nights
$109
BookSacramento SAC
Nov 19 – Nov 23 · 4 nights
$125
BookDenver DEN
Dec 4 – Dec 7 · 3 nights
$129
BookChicago CHI
Dec 1 – Dec 4 · 3 nights
$140
BookReno RNO
Jan 28 – Jan 31 · 3 nights
$147
BookBoise BOI
Nov 1 – Nov 13 · 12 nights
$150
BookHouston HOU
Nov 13 – Dec 18 · 35 nights
$163
BookSeattle SEA
Nov 24 – Nov 30 · 6 nights
$179
BookNew York NYC
Dec 1 – Dec 3 · 2 nights
$180
Get alerts from Ontario
Free. WhatsApp, Telegram, or email — one deal at a time.
Questions about cheap flights from Ontario
- What is the cheapest flight from Ontario today?
- Right now the lowest fare we see from Ontario is $32 to San Francisco.
- What is the 30-day low from Ontario?
- The 30-day low from Ontario is $32 to San Francisco, as of Oct 30.
- How do I get cheap flight alerts from Ontario?
- Join free alerts on this page. We send WhatsApp, Telegram, or email when a notable drop appears from Ontario.
- Where do I book these flights?
- Each Book button opens Aviasales via our Travelpayouts partner link. We may earn a commission at no extra cost to you.