How does KAYAK find such low prices on flights from Illinois to Oakland?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oakland.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oakland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oakland from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Oakland?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oakland with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oakland?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oakland from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$74 CHEAP FLIGHTS from Illinois to Oakland

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Cheap Flights from Illinois to Oakland

Cheap flights from Illinois to Oakland with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Direct

Wed, Dec 2 - Wed, Dec 9

6:21 am - 11:33 amORD Chicago O'Hare Intl-OAK Oakland

7h 12m1 stop Las Vegas Harry Reid Intl

12:28 pm - 5:01 amOAK Oakland-ORD Chicago O'Hare Intl

14h 33m1 stop Las Vegas Harry Reid Intl

$145Frontier

Wed, Dec 2 - Tue, Dec 8

6:21 am - 11:33 amORD Chicago O'Hare Intl-OAK Oakland

7h 12m1 stop Las Vegas Harry Reid Intl

12:28 pm - 5:01 amOAK Oakland-ORD Chicago O'Hare Intl

14h 33m1 stop Las Vegas Harry Reid Intl

$145Frontier

Wed, Dec 2 - Tue, Dec 8

6:21 am - 11:33 amORD Chicago O'Hare Intl-OAK Oakland

7h 12m1 stop Las Vegas Harry Reid Intl

12:28 pm - 5:01 amOAK Oakland-ORD Chicago O'Hare Intl

14h 33m1 stop Las Vegas Harry Reid Intl

$147Frontier

Wed, Jan 6 - Wed, Jan 13

7:55 pm - 10:45 pmMDW Chicago Midway-OAK Oakland

4h 50mnonstop

6:40 am - 12:40 pmOAK Oakland-MDW Chicago Midway

4h 00mnonstop

$231Southwest

Thu, Oct 29 - Mon, Nov 2

9:30 pm - 12:15 amMDW Chicago Midway-OAK Oakland

4h 45mnonstop

5:35 am - 11:35 amOAK Oakland-MDW Chicago Midway

4h 00mnonstop

$231Southwest

Wed, Dec 2 - Tue, Dec 8

8:45 pm - 11:35 pmMDW Chicago Midway-OAK Oakland

4h 50mnonstop

6:30 am - 12:30 pmOAK Oakland-MDW Chicago Midway

4h 00mnonstop

$231Southwest

Thu, Nov 5 - Wed, Nov 11

7:20 am - 2:04 pmORD Chicago O'Hare Intl-OAK Oakland

8h 44m1 stop San Diego

10:00 am - 6:59 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 59m1 stop San Diego

$240Alaska Airlines

Tue, Nov 10 - Wed, Nov 11

7:20 am - 2:04 pmORD Chicago O'Hare Intl-OAK Oakland

8h 44m1 stop San Diego

10:00 am - 6:59 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 59m1 stop San Diego

$251Alaska Airlines

Sat, Nov 7 - Sat, Nov 14

4:00 pm - 9:58 pmORD Chicago O'Hare Intl-OAK Oakland

7h 58m1 stop Salt Lake City

12:41 pm - 9:47 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 06m1 stop Salt Lake City

$251Delta

Sat, Feb 13 - Wed, Feb 17

7:30 am - 12:25 pmORD Chicago O'Hare Intl-OAK Oakland

6h 55m1 stop Salt Lake City

1:15 pm - 9:53 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 38m1 stop Salt Lake City

$251Delta

Thu, Oct 15 - Mon, Oct 26

2:21 pm - 11:42 pmORD Chicago O'Hare Intl-OAK Oakland

11h 21m1 stop San Diego

3:14 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 45m1 stop San Diego

$416Alaska Airlines

Sat, Oct 10 - Thu, Oct 15