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.

$100 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

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

$232Frontier

Tue, Dec 15 - Tue, Dec 29

10:00 am - 11:33 amORD Chicago O'Hare Intl-OAK Oakland

27h 33m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl

1:51 pm - 5:49 amOAK Oakland-ORD Chicago O'Hare Intl

13h 58m1 stop Las Vegas Harry Reid Intl

$237Frontier

Fri, Dec 4 - 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

$244Frontier

Fri, Dec 4 - Mon, Dec 7

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

4h 50mnonstop

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

4h 05mnonstop

$263Southwest

Fri, Dec 4 - Mon, Dec 7

10:00 am - 3:00 pmMDW Chicago Midway-OAK Oakland

7h 00m1 stop Portland

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

4h 05mnonstop

$269Southwest

Fri, Dec 4 - Mon, Dec 7

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

4h 50mnonstop

11:30 am - 10:00 pmOAK Oakland-MDW Chicago Midway

8h 30m1 stop San Diego

$273Southwest

Fri, Dec 4 - Sat, Dec 5

3:19 pm - 10:50 pmORD Chicago O'Hare Intl-OAK Oakland

9h 31m1 stop Seattle/Tacoma Intl

1:36 pm - 11:59 pmOAK Oakland-ORD Chicago O'Hare Intl

8h 23m1 stop Seattle/Tacoma Intl

$307Alaska Airlines

Thu, Dec 17 - Mon, Jan 4

7:00 am - 2:11 pmORD Chicago O'Hare Intl-OAK Oakland

9h 11m1 stop San Diego

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

7h 08m1 stop San Diego

$307Alaska Airlines

Thu, Dec 3 - Thu, Dec 10

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

$307Delta

Thu, Dec 3 - Tue, Dec 8

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

$307Delta

Recent last minute flight deals from Illinois to Oakland

Thu, Nov 5 - Sun, Nov 8

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

18h 08m1 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

Thu, Nov 5 - Mon, Nov 9

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

18h 08m1 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

$401Frontier

Thu, Nov 5 - Sun, Nov 8

5:15 pm - 5:00 pmORD Chicago O'Hare Intl-OAK Oakland

25h 45m1 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

$451Frontier

Fri, Nov 6 - Tue, Nov 10

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

4h 45mnonstop

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

4h 00mnonstop

$537Southwest

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

$537Southwest

Tue, Nov 3 - Tue, Nov 10

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

4h 45mnonstop

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

4h 05mnonstop

$537Southwest

Tue, Nov 3 - Tue, Nov 10

2:15 pm - 9:00 pmORD Chicago O'Hare Intl-OAK Oakland

8h 45m1 stop San Diego

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

10h 47m1 stop San Diego

$545Alaska Airlines

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

$545Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

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

$545Delta

Sat, Nov 7 - Wed, Nov 11

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

$545Delta

Useful Info

Low season	January
High season	November
Cheapest flight	$100

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

Most popular time to fly with an average 2% increase in price.

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.