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.

$134 CHEAP FLIGHTS from Illinois to Oakland

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Flight Deals

Cheap Flights from Illinois to Oakland

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Oakland

Fri, Oct 2 - Tue, Oct 6

8:55 pm - 11:51 amORD Chicago O'Hare Intl-OAK Oakland

16h 56m1 stop Las Vegas Harry Reid Intl

12:47 pm - 5:38 amOAK Oakland-ORD Chicago O'Hare Intl

14h 51m1 stop Las Vegas Harry Reid Intl

$201Frontier

Fri, Nov 6 - Mon, Nov 9

5:15 pm - 11:53 amORD Chicago O'Hare Intl-OAK Oakland

20h 38m1 stop Las Vegas Harry Reid Intl

5:55 pm - 5:13 amOAK Oakland-ORD Chicago O'Hare Intl

9h 18m1 stop Las Vegas Harry Reid Intl

$236Frontier

Fri, Oct 23 - Mon, Oct 26

3:30 pm - 11:52 amORD Chicago O'Hare Intl-OAK Oakland

22h 22m1 stop Las Vegas Harry Reid Intl

5:20 pm - 5:16 amOAK Oakland-ORD Chicago O'Hare Intl

9h 56m1 stop Las Vegas Harry Reid Intl

$259Frontier

Fri, Nov 6 - Tue, Nov 10

6:35 pm - 10:40 pmORD Chicago O'Hare Intl-OAK Oakland

30h 05m1 stop Seattle/Tacoma Intl

7:46 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

26h 13m1 stop Seattle/Tacoma Intl

$283Alaska Airlines

Tue, Oct 20 - Wed, Nov 4

7:00 am - 11:25 amORD Chicago O'Hare Intl-OAK Oakland

30h 25m1 stop Seattle/Tacoma Intl

7:02 am - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

14h 57m1 stop Seattle/Tacoma Intl

$283Alaska Airlines

Fri, Oct 16 - Sun, Oct 18

7:16 pm - 11:25 amORD Chicago O'Hare Intl-OAK Oakland

18h 09m1 stop Seattle/Tacoma Intl

7:02 am - 6:20 pmOAK Oakland-ORD Chicago O'Hare Intl

9h 18m1 stop Seattle/Tacoma Intl

$283Alaska Airlines

Wed, Oct 28 - Wed, Nov 4

12:50 pm - 11:56 pmORD Chicago O'Hare Intl-OAK Oakland

13h 06m2 stops Seattle/Tacoma Intl Salt Lake City

12:41 pm - 10:05 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 24m1 stop Salt Lake City

$334Delta

Wed, Dec 2 - Mon, Dec 7

8:45 pm - 11:30 pmMDW Chicago Midway-OAK Oakland

4h 45mnonstop

11:50 pm - 5:55 amOAK Oakland-MDW Chicago Midway

4h 05mnonstop

$335Southwest

Thu, Dec 3 - Tue, Dec 8

10:00 am - 12:45 pmMDW Chicago Midway-OAK Oakland

4h 45mnonstop

11:50 pm - 5:55 amOAK Oakland-MDW Chicago Midway

4h 05mnonstop

$335Southwest

Fri, Dec 4 - Mon, Dec 7

12:58 pm - 12:03 amORD Chicago O'Hare Intl-OAK Oakland

13h 05m2 stops Seattle/Tacoma Intl Salt Lake City

5:07 pm - 9:22 amOAK Oakland-ORD Chicago O'Hare Intl

14h 15m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$340Delta

Recent last minute flight deals from Illinois to Oakland

Wed, Sep 16 - Tue, Sep 29

1:21 pm - 9:22 amORD Chicago O'Hare Intl-OAK Oakland

22h 01m1 stop Las Vegas Harry Reid Intl

12:47 pm - 5:38 amOAK Oakland-ORD Chicago O'Hare Intl

14h 51m1 stop Las Vegas Harry Reid Intl

$343Frontier

Mon, Sep 14 - Thu, Oct 1

8:55 pm - 11:51 amORD Chicago O'Hare Intl-OAK Oakland

16h 56m1 stop Las Vegas Harry Reid Intl

6:51 pm - 5:38 amOAK Oakland-ORD Chicago O'Hare Intl

8h 47m1 stop Las Vegas Harry Reid Intl

$343Frontier

Wed, Sep 16 - Wed, Sep 23

1:21 pm - 9:22 amORD Chicago O'Hare Intl-OAK Oakland

22h 01m1 stop Las Vegas Harry Reid Intl

12:47 pm - 5:38 amOAK Oakland-ORD Chicago O'Hare Intl

14h 51m1 stop Las Vegas Harry Reid Intl

$366Frontier

Wed, Sep 16 - Wed, Sep 30

2:18 pm - 9:28 pmORD Chicago O'Hare Intl-OAK Oakland

9h 10m1 stop San Diego

2:15 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 44m1 stop Seattle/Tacoma Intl

$424Alaska Airlines

Wed, Sep 16 - Thu, Oct 1

2:18 pm - 9:28 pmORD Chicago O'Hare Intl-OAK Oakland

9h 10m1 stop San Diego

1:29 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

8h 30m1 stop San Diego

$424Alaska Airlines

Tue, Sep 15 - Wed, Sep 30

7:40 pm - 11:59 pmORD Chicago O'Hare Intl-OAK Oakland

6h 19m1 stop Salt Lake City

12:39 pm - 9:55 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 16m1 stop Salt Lake City

$424Delta

Tue, Sep 15 - Wed, Sep 30

11:17 am - 11:59 pmORD Chicago O'Hare Intl-OAK Oakland

14h 42m2 stops Detroit Metropolitan Wayne County Salt Lake City

12:39 pm - 9:55 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 16m1 stop Salt Lake City

$429Delta

Wed, Sep 16 - Sat, Oct 3

2:18 pm - 9:28 pmORD Chicago O'Hare Intl-OAK Oakland

9h 10m1 stop San Diego

8:28 am - 6:53 pmOAK Oakland-ORD Chicago O'Hare Intl

8h 25m1 stop San Diego

$429Alaska Airlines

Mon, Sep 14 - Thu, Oct 1

3:55 pm - 9:25 pmMDW Chicago Midway-OAK Oakland

7h 30m1 stop Seattle/Tacoma Intl

1:20 pm - 9:50 pmOAK Oakland-MDW Chicago Midway

6h 30m1 stop Los Angeles Los Angeles

$453Southwest

Mon, Sep 14 - Thu, Oct 1

1:50 pm - 7:30 pmMDW Chicago Midway-OAK Oakland

7h 40m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

1:20 pm - 9:50 pmOAK Oakland-MDW Chicago Midway

6h 30m1 stop Los Angeles Los Angeles

$459Southwest

Useful Info

Low season	January
High season	October
Cheapest flight	$134

Best time to beat the crowds with an average 1% drop in price.

Most popular time to fly and prices are also 13% lower on average.

Flight from Chicago O'Hare Airport to Oakland

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.