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.

$126 CHEAP FLIGHTS from Illinois to Oakland

Save 21% 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, Dec 1 - Mon, Dec 7

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

$259Frontier

Fri, Nov 6 - Mon, Nov 16

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

$273Frontier

Thu, Oct 29 - Mon, Nov 2

5:15 pm - 9:23 amORD Chicago O'Hare Intl-OAK Oakland

18h 08m1 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

$274Frontier

Thu, Oct 15 - Sat, Oct 24

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

4h 45mnonstop

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

4h 00mnonstop

$337Southwest

Sat, Oct 24 - Sat, Oct 31

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

4h 40mnonstop

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

4h 10mnonstop

$337Southwest

Thu, Oct 22 - Mon, Oct 26

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

4h 45mnonstop

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

4h 00mnonstop

$337Southwest

Tue, Jan 12 - Wed, Jan 13

2:11 pm - 7:25 pmORD Chicago O'Hare Intl-OAK Oakland

7h 14m1 stop Portland

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

8h 41m1 stop Seattle/Tacoma Intl

$357Alaska Airlines

Sat, Oct 24 - Sat, Oct 31

9:00 am - 6:54 pmORD Chicago O'Hare Intl-OAK Oakland

11h 54m1 stop Seattle/Tacoma Intl

9:59 am - 6:53 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 54m1 stop San Diego

$357Alaska Airlines

Sat, Oct 17 - Sat, Oct 24

7:35 am - 12:01 pmORD Chicago O'Hare Intl-OAK Oakland

6h 26m1 stop Salt Lake City

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

7h 24m1 stop Salt Lake City

$359Delta

Tue, Oct 20 - Wed, Nov 4

7:15 pm - 11:56 pmORD Chicago O'Hare Intl-OAK Oakland

6h 41m1 stop Salt Lake City

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

7h 24m1 stop Salt Lake City

$359Delta

Recent last minute 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

$364Frontier

Mon, Sep 28 - Wed, Sep 30

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

$373Frontier

Fri, Oct 2 - Wed, Oct 28

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

16h 56m1 stop Las Vegas Harry Reid Intl

7:02 am - 4:50 pmOAK Oakland-ORD Chicago O'Hare Intl

7h 48m1 stop Seattle/Tacoma Intl

$375Multiple Airlines

Fri, Oct 2 - Wed, Oct 28

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

4h 40mnonstop

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

4h 00mnonstop

$469Southwest

Fri, Oct 2 - Wed, Oct 28

6:15 pm - 10:35 pmMDW Chicago Midway-OAK Oakland

6h 20m1 stop Phoenix Sky Harbor Intl

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

4h 00mnonstop

$475Southwest

Fri, Oct 2 - Wed, Oct 28

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

4h 40mnonstop

7:15 am - 4:45 pmOAK Oakland-MDW Chicago Midway

7h 30m2 stops Las Vegas Harry Reid Intl Tulsa

$484Southwest

Fri, Oct 2 - Wed, Oct 28

5:10 pm - 11:59 pmORD Chicago O'Hare Intl-OAK Oakland

8h 49m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:00 am - 4:32 pmOAK Oakland-ORD Chicago O'Hare Intl

8h 32m2 stops Salt Lake City Detroit Metropolitan Wayne County

$485Delta

Sat, Oct 3 - Tue, Oct 6

3:49 pm - 10:55 pmORD Chicago O'Hare Intl-OAK Oakland

9h 06m1 stop Seattle/Tacoma Intl

9:59 am - 6:53 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 54m1 stop San Diego

$525Alaska Airlines

Sat, Oct 3 - Tue, Oct 6

8:55 am - 4:20 pmORD Chicago O'Hare Intl-OAK Oakland

9h 25m2 stops Detroit Metropolitan Wayne County Salt Lake City

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

7h 24m1 stop Salt Lake City

$530Delta

Fri, Oct 2 - Tue, Oct 6

2:22 pm - 9:51 pmORD Chicago O'Hare Intl-OAK Oakland

9h 29m1 stop Portland

9:59 am - 6:53 pmOAK Oakland-ORD Chicago O'Hare Intl

6h 54m1 stop San Diego

$547Alaska Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$126

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 6% 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.