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.

$80 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.

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

Tue, Jan 5 - Sat, Jan 9

7:30 am - 8:30 pmORD Chicago O'Hare Intl-OAK Oakland

15h 00m1 stop Las Vegas Harry Reid Intl

9:25 pm - 6:00 amOAK Oakland-ORD Chicago O'Hare Intl

6h 35m1 stop Las Vegas Harry Reid Intl

$206Frontier

Wed, Dec 2 - Wed, Dec 16

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

$207Frontier

Fri, Dec 4 - 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

$214Frontier

Tue, Dec 8 - Thu, Dec 10

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

4h 50mnonstop

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

4h 05mnonstop

$243Southwest

Thu, Nov 19 - Thu, Nov 26

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

4h 50mnonstop

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

4h 00mnonstop

$243Southwest

Thu, Dec 10 - Tue, Dec 15

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

4h 45mnonstop

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

4h 00mnonstop

$243Southwest

Thu, Nov 19 - Thu, Nov 26

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

8h 44m1 stop San Diego

6:49 am - 1:18 pmOAK Oakland-ORD Chicago O'Hare Intl

28h 29m1 stop San Diego

$263Alaska Airlines

Tue, Dec 15 - Sat, Jan 16

2:08 pm - 7:39 pmORD Chicago O'Hare Intl-OAK Oakland

7h 31m1 stop Portland

1:18 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

8h 41m1 stop Seattle/Tacoma Intl

$290Alaska Airlines

Sat, Dec 5 - Tue, Dec 15

4:00 pm - 10:09 pmORD Chicago O'Hare Intl-OAK Oakland

8h 09m1 stop Salt Lake City

5:55 am - 6:26 pmOAK Oakland-ORD Chicago O'Hare Intl

10h 31m2 stops Salt Lake City Detroit Metropolitan Wayne County

$296Delta

Thu, Nov 26 - Thu, Dec 3

12:38 pm - 6:15 pmORD Chicago O'Hare Intl-OAK Oakland

7h 37m2 stops Minneapolis St Paul Salt Lake City

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

7h 22m1 stop Salt Lake City

$296Delta

Recent last minute flight deals from Illinois to Oakland

Fri, Oct 30 - Mon, Nov 2

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

$396Frontier

Fri, Oct 30 - Mon, Nov 2

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

$399Frontier

Fri, Oct 30 - Mon, Nov 2

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

$408Frontier

Sat, Oct 31 - Sat, Oct 31

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

9h 14m1 stop San Diego

7:10 pm - 2:09 pmOAK Oakland-ORD Chicago O'Hare Intl

16h 59m1 stop Portland

$533Alaska Airlines

Fri, Oct 30 - Mon, Nov 2

10:05 am - 12:45 pmMDW Chicago Midway-OAK Oakland

4h 40mnonstop

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

4h 05mnonstop

$537Southwest

Sat, Oct 31 - Sat, Oct 31

10:35 am - 1:15 pmMDW Chicago Midway-OAK Oakland

4h 40mnonstop

10:55 pm - 5:05 amOAK Oakland-MDW Chicago Midway

4h 10mnonstop

$541Southwest

Wed, Nov 4 - Tue, Nov 10

10:12 am - 4:22 pmMDW Chicago Midway-OAK Oakland

8h 10m2 stops Minneapolis St Paul Salt Lake City

5:55 am - 4:39 pmOAK Oakland-MDW Chicago Midway

8h 44m2 stops Salt Lake City Minneapolis St Paul

$544Delta

Sun, Nov 1 - Tue, Nov 3

2:15 pm - 11:19 pmORD Chicago O'Hare Intl-OAK Oakland

11h 04m1 stop San Diego

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

10h 47m1 stop San Diego

$545Alaska Airlines

Wed, Nov 4 - Sun, Nov 8

9:59 am - 4:22 pmORD Chicago O'Hare Intl-OAK Oakland

8h 23m2 stops Minneapolis St Paul Salt Lake City

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

7h 24m1 stop Salt Lake City

$550Delta

Fri, Oct 30 - Sat, Oct 31

2:14 pm - 9:45 pmORD Chicago O'Hare Intl-OAK Oakland

9h 31m1 stop Portland

7:04 am - 6:53 pmOAK Oakland-ORD Chicago O'Hare Intl

9h 49m1 stop San Diego

$557Alaska Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$80

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