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

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Mon, Nov 9 - Thu, Nov 12

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

20h 38m1 stop Las Vegas Harry Reid Intl

10:18 am - 5:13 amOAK Oakland-ORD Chicago O'Hare Intl

16h 55m1 stop Las Vegas Harry Reid Intl

$195Frontier

Mon, Nov 9 - Thu, Nov 12

8:30 pm - 11:53 amORD Chicago O'Hare Intl-OAK Oakland

17h 23m2 stops Dallas/Fort Worth 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

$241Frontier

Sat, Dec 5 - 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

$251Frontier

Mon, Nov 2 - Mon, Nov 9

9:55 pm - 12:35 amMDW Chicago Midway-OAK Oakland

4h 40mnonstop

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

4h 05mnonstop

$349Southwest

Fri, Nov 6 - Mon, Nov 9

9:55 pm - 12:40 amMDW Chicago Midway-OAK Oakland

4h 45mnonstop

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

4h 00mnonstop

$349Southwest

Thu, Jan 14 - Tue, Jan 19

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

4h 50mnonstop

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

4h 00mnonstop

$349Southwest

Mon, Dec 21 - Mon, Jan 4

7:58 pm - 11:13 amORD Chicago O'Hare Intl-OAK Oakland

17h 15m1 stop San Diego

2:51 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 08m1 stop San Diego

$359Alaska Airlines

Tue, Mar 2 - Wed, Mar 3

2:54 pm - 10:38 pmORD Chicago O'Hare Intl-OAK Oakland

9h 44m1 stop San Diego

6:30 am - 6:55 pmOAK Oakland-ORD Chicago O'Hare Intl

10h 25m1 stop San Diego

$359Alaska Airlines

Thu, Dec 3 - Tue, Dec 15

7:18 pm - 12:03 amORD Chicago O'Hare Intl-OAK Oakland

6h 45m1 stop Salt Lake City

12:34 pm - 9:56 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 22m1 stop Salt Lake City

$359Delta

Fri, Dec 4 - Tue, Dec 15

7:18 pm - 12:03 amORD Chicago O'Hare Intl-OAK Oakland

6h 45m1 stop Salt Lake City

12:34 pm - 9:56 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 22m1 stop Salt Lake City

$359Delta

Fri, Oct 16 - Thu, Dec 10

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

22h 22m1 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

$329Frontier

Fri, Oct 16 - Thu, Dec 10

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

22h 22m1 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

$339Frontier

Fri, Oct 16 - Mon, Oct 19

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

$378Frontier

Tue, Oct 20 - Thu, Nov 5

7:20 am - 2:34 pmORD Chicago O'Hare Intl-OAK Oakland

9h 14m1 stop San Diego

6:12 am - 6:59 pmOAK Oakland-ORD Chicago O'Hare Intl

10h 47m1 stop San Diego

$436Alaska Airlines

Tue, Oct 20 - Wed, Nov 4

2:14 pm - 7:37 pmORD Chicago O'Hare Intl-OAK Oakland

7h 23m1 stop Portland

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

6h 59m1 stop San Diego

$436Alaska Airlines

Tue, Oct 20 - Wed, Nov 4

1:23 pm - 11:56 pmORD Chicago O'Hare Intl-OAK Oakland

12h 33m2 stops Atlanta Hartsfield-Jackson Salt Lake City

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

7h 24m1 stop Salt Lake City

$441Delta

Tue, Oct 20 - Wed, Nov 4

5:27 am - 4:22 pmORD Chicago O'Hare Intl-OAK Oakland

12h 55m2 stops Atlanta Hartsfield-Jackson Salt Lake City

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

7h 24m1 stop Salt Lake City

$441Delta

Tue, Oct 20 - Thu, Nov 5

7:20 am - 2:34 pmORD Chicago O'Hare Intl-OAK Oakland

9h 14m1 stop San Diego

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

6h 59m1 stop San Diego

$458Alaska Airlines

Sat, Oct 17 - Sat, Oct 24

7:30 pm - 10:10 pmMDW Chicago Midway-OAK Oakland

4h 40mnonstop

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

4h 00mnonstop

$533Southwest

Sat, Oct 17 - Sat, Oct 24

11:00 am - 5:05 pmMDW Chicago Midway-OAK Oakland

8h 05m1 stop Portland

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

4h 00mnonstop

$543Southwest

Low season	January
High season	October
Cheapest flight	$74

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly and prices are also 4% 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.