How long does it take to fly to Ontario?

Average flight duration from Austria to Ontario depends on which airport you fly into and out of. Flying from Vienna to Los Angeles is 12h 10m on average, while flying from Graz to Los Angeles is 14h 25m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from Austria to Ontario Airport?

Prices for flights from Austria to Ontario Airport are updated daily.

How old do you have to be to fly from Austria to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Austria to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$459 Cheap Flights from Austria to Ontario in 2026/27

Find the cheapest flights from Austria to Los Angeles

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Recent round-trip flight deals from Austria to Los Angeles

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7:00 am - 11:59 pmVIE Vienna Intl-ONT Ontario

25h 59m2 stops Madrid Barajas Dallas/Fort Worth

9:24 am - 5:50 pmONT Ontario-VIE Vienna Intl

23h 26m2 stops Phoenix Sky Harbor Intl London Heathrow

$686American Airlines

Wed, Mar 31 - Fri, Apr 16

11:35 am - 10:15 pmVIE Vienna Intl-ONT Ontario

19h 40m2 stops London Heathrow Phoenix Sky Harbor Intl

4:19 pm - 6:35 pmONT Ontario-VIE Vienna Intl

17h 16m2 stops Phoenix Sky Harbor Intl London Heathrow

$690British Airways

Thu, Jan 14 - Thu, Jan 28

7:40 am - 10:36 pmVIE Vienna Intl-ONT Ontario

23h 56m2 stops London Heathrow Dallas/Fort Worth

2:22 pm - 10:40 pmONT Ontario-VIE Vienna Intl

23h 18m2 stops Dallas/Fort Worth London Heathrow

$694British Airways

Thu, Nov 19 - Wed, Dec 2

7:00 am - 1:38 pmVIE Vienna Intl-ONT Ontario

39h 38m2 stops Madrid Barajas Dallas/Fort Worth

6:00 am - 7:00 pmONT Ontario-VIE Vienna Intl

28h 00m2 stops Chicago O'Hare Intl Madrid Barajas

$696American Airlines

Wed, Mar 31 - Wed, Apr 21

4:45 pm - 10:50 pmVIE Vienna Intl-ONT Ontario

39h 05m2 stops London Heathrow Dallas/Fort Worth

11:59 pm - 10:40 pmONT Ontario-VIE Vienna Intl

37h 41m2 stops Dallas/Fort Worth London Heathrow

$698British Airways

Tue, Mar 30 - Wed, Apr 21

11:35 am - 10:15 pmVIE Vienna Intl-ONT Ontario

19h 40m2 stops London Heathrow Phoenix Sky Harbor Intl

4:25 pm - 6:35 pmONT Ontario-VIE Vienna Intl

17h 10m2 stops Phoenix Sky Harbor Intl London Heathrow

$699British Airways

Fri, Feb 5 - Thu, Feb 18

11:35 am - 10:15 pmVIE Vienna Intl-ONT Ontario

19h 40m2 stops London Heathrow Phoenix Sky Harbor Intl

4:19 pm - 6:10 pmONT Ontario-VIE Vienna Intl

16h 51m2 stops Phoenix Sky Harbor Intl London Heathrow

$701British Airways

Thu, Jan 14 - Sun, Jan 24

11:35 am - 10:15 pmVIE Vienna Intl-ONT Ontario

19h 40m2 stops London Heathrow Phoenix Sky Harbor Intl

4:19 pm - 6:30 pmONT Ontario-VIE Vienna Intl

17h 11m2 stops Phoenix Sky Harbor Intl London Heathrow

$702British Airways

Fri, Jan 15 - Fri, Jan 29

7:40 am - 10:13 pmVIE Vienna Intl-ONT Ontario

23h 33m2 stops London Heathrow Phoenix Sky Harbor Intl

10:59 am - 3:00 pmONT Ontario-VIE Vienna Intl

19h 01m2 stops Dallas/Fort Worth Madrid Barajas

$707American Airlines

Mon, Mar 29 - Tue, Apr 20

7:45 pm - 9:48 amVIE Vienna Intl-ONT Ontario

23h 03m2 stops Madrid Barajas Dallas/Fort Worth

4:25 pm - 6:05 pmONT Ontario-VIE Vienna Intl

16h 40m2 stops Phoenix Sky Harbor Intl London Heathrow

$710Multiple Airlines

Sat, Jan 30 - Mon, Mar 1

Recent last minute flight deals from Austria to Los Angeles

Enter your travel dates to find the best prices.

11:35 am - 9:40 amVIE Vienna Intl-ONT Ontario

31h 05m2 stops London Heathrow Dallas/Fort Worth

1:30 pm - 6:35 pmONT Ontario-VIE Vienna Intl

20h 05m2 stops Phoenix Sky Harbor Intl London Heathrow

$804British Airways

Fri, Nov 13 - Thu, Nov 26

11:10 am - 11:16 amVIE Vienna Intl-ONT Ontario

33h 06m3 stops Frankfurt am Main Seattle/Tacoma Intl Las Vegas Harry Reid Intl

6:45 am - 9:30 pmONT Ontario-VIE Vienna Intl

29h 45m3 stops Denver Intl Seattle/Tacoma Intl Frankfurt am Main

$940Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

11:10 am - 11:16 amVIE Vienna Intl-ONT Ontario

33h 06m3 stops Frankfurt am Main Seattle/Tacoma Intl Las Vegas Harry Reid Intl

6:00 am - 9:30 pmONT Ontario-VIE Vienna Intl

30h 30m2 stops Seattle/Tacoma Intl Frankfurt am Main

$943Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

10:35 am - 8:51 pmVIE Vienna Intl-ONT Ontario

19h 16m2 stops Toronto Pearson Intl Denver Intl

6:00 am - 8:15 amONT Ontario-VIE Vienna Intl

17h 15m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

$1,020Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

10:35 am - 8:51 pmVIE Vienna Intl-ONT Ontario

19h 16m2 stops Toronto Pearson Intl Denver Intl

6:00 am - 8:15 amONT Ontario-VIE Vienna Intl

17h 15m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

$1,026Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

7:50 am - 10:15 pmVIE Vienna Intl-ONT Ontario