Cheap flights from Oakland (OAK) to Illinois from $77

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
OAK — ORD
Jun 17 — Jun 241

How far in advance should I book a flight from Oakland, California to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 43% on flights from Oakland, California to Illinois compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $322. For sooner than that we have options available in the next 3 days from $475.

What is the cheapest month to fly from Oakland, California to Illinois?

Our data shows that September tends to be the cheapest month to fly to Illinois from Oakland, California. Users have commonly found prices around $316 for the month, but tickets can be as low as $100. Due to multiple factors, prepare for potentially higher prices in March.

What is the cheapest time of day to fly from OAK to IL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oakland, California to Illinois as you normally would.

Cheap Oakland to Illinois flights in June & July 2024

Find cheap flight options from Oakland to Illinois specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 12, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 7/167:45 pmOAK - ORD
1 stop8h 51mSpirit Airlines
Wed 8/289:10 amORD - OAK
1 stop15h 42mSpirit Airlines
Deal found 6/11$170
Tue 7/165:15 amOAK - ORD
1 stop10h 14mSpirit Airlines
Tue 7/236:19 pmORD - OAK
1 stop6h 17mSpirit Airlines
Deal found 6/11$177
Mon 7/298:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Wed 7/317:01 amORD - OAK
2 stops18h 05mSpirit Airlines
Deal found 6/12$178
Mon 7/228:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Wed 7/241:28 pmORD - OAK
1 stop8h 23mSpirit Airlines
Deal found 6/10$179
Mon 7/158:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Wed 7/176:19 pmORD - OAK
1 stop6h 47mSpirit Airlines
Deal found 6/10$181
Tue 7/1610:05 pmOAK - ORD
1 stop6h 31mMultiple Airlines
Thu 7/187:00 amORD - OAK
1 stop12h 07mMultiple Airlines
Deal found 6/10$183
Wed 7/175:15 amOAK - ORD
1 stop10h 14mSpirit Airlines
Tue 7/239:49 amORD - OAK
1 stop11h 06mSpirit Airlines
Deal found 6/11$186
Wed 7/105:15 amOAK - ORD
1 stop15h 04mSpirit Airlines
Wed 7/171:28 pmORD - OAK
1 stop11h 38mSpirit Airlines
Deal found 6/12$188
Mon 7/89:21 pmOAK - ORD
1 stop7h 15mSpirit Airlines
Wed 7/246:19 pmORD - OAK
1 stop6h 47mSpirit Airlines
Deal found 6/11$189

Oakland to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Oakland and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 9/105:20 amOAK - ORD
1 stop10h 43mSpirit Airlines
Wed 9/116:45 amORD - OAK
1 stop9h 26mSpirit Airlines
Deal found 6/11$152
Mon 8/128:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Tue 8/279:10 amORD - OAK
1 stop15h 42mSpirit Airlines
Deal found 6/11$161
Wed 8/213:10 pmOAK - ORD
1 stop12h 19mSpirit Airlines
Mon 8/2611:10 pmORD - OAK
1 stop12h 14mSpirit Airlines
Deal found 6/11$168
Mon 8/58:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Wed 8/76:19 pmORD - OAK
1 stop6h 47mSpirit Airlines
Deal found 6/11$169
Wed 9/115:20 amOAK - ORD
1 stop10h 43mSpirit Airlines
Wed 9/181:14 pmORD - OAK
1 stop10h 42mSpirit Airlines
Deal found 6/11$170
Wed 8/214:50 pmOAK - ORD
1 stop10h 39mSpirit Airlines
Mon 8/2611:10 pmORD - OAK
1 stop12h 14mSpirit Airlines
Deal found 6/12$172
Tue 7/165:15 amOAK - ORD
1 stop10h 14mSpirit Airlines
Tue 7/236:19 pmORD - OAK
1 stop6h 17mSpirit Airlines
Deal found 6/11$177
Mon 7/298:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Wed 7/317:01 amORD - OAK
2 stops18h 05mSpirit Airlines
Deal found 6/12$178
Wed 8/214:50 pmOAK - ORD
1 stop10h 39mSpirit Airlines
Mon 8/2611:10 pmORD - OAK
1 stop12h 14mSpirit Airlines
Deal found 6/11$179

Oakland to Illinois flights leaving soon

Find last-minute flight options from Oakland to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Have a look at some of the last-minute flights available departing from Oakland to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 6/175:15 amOAK - ORD
1 stop14h 02mSpirit Airlines
Tue 6/2510:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 6/10$216
Sat 6/228:05 pmOAK - ORD
1 stop8h 19mSpirit Airlines
Tue 6/2510:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 6/11$219
Sat 6/228:05 pmOAK - ORD
1 stop8h 19mSpirit Airlines
Tue 7/1610:52 pmORD - OAK
1 stop13h 31mSpirit Airlines
Deal found 6/11$228
Tue 6/189:29 pmOAK - ORD
1 stop7h 07mSpirit Airlines
Tue 6/2510:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 6/11$242
Sat 6/228:05 pmOAK - ORD
1 stop8h 19mSpirit Airlines
Tue 6/2510:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 6/12$244
Wed 6/199:22 pmOAK - ORD
1 stop7h 02mSpirit Airlines
Thu 6/2710:17 pmORD - OAK
1 stop10h 25mSpirit Airlines
Deal found 6/11$255
Sat 6/228:05 pmOAK - ORD
1 stop8h 19mSpirit Airlines
Tue 7/1610:52 pmORD - OAK
2 stops18h 27mSpirit Airlines
Deal found 6/11$257
Wed 6/195:15 amOAK - STL
1 stop5h 50mSpirit Airlines
Wed 6/261:55 pmSTL - OAK
1 stop12h 03mSpirit Airlines
Deal found 6/11$258
Wed 6/195:15 amOAK - STL
1 stop5h 50mSpirit Airlines
Wed 6/261:55 pmSTL - OAK
1 stop12h 03mSpirit Airlines
Deal found 6/11$259

One-way flights to Illinois from Oakland

Search for one-way flight options from Oakland to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Take a look at some of the best available options we've come across on one-way flights from Oakland to Illinois. Users can also find round-trip Oakland to Illinois flights by using the search form above.
Tue 9/105:20 amOAK - ORD
1 stop10h 43mSpirit Airlines
Deal found 6/11$77
Wed 8/75:30 amOAK - RFD
1 stop7h 20mMultiple Airlines
Deal found 6/11$79
Mon 8/128:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Deal found 6/10$85
Mon 7/89:21 pmOAK - ORD
1 stop7h 15mSpirit Airlines
Deal found 6/11$86
Wed 7/105:30 amOAK - RFD
1 stop7h 20mMultiple Airlines
Deal found 6/11$87
Mon 7/158:57 pmOAK - ORD
1 stop7h 45mSpirit Airlines
Deal found 6/11$88
Wed 6/265:30 amOAK - RFD
1 stop7h 20mMultiple Airlines
Deal found 6/11$89
Mon 8/264:50 pmOAK - ORD
3 stops29h 05mSpirit Airlines
Deal found 6/12$92
Tue 6/255:39 pmOAK - ORD
1 stop10h 57mSpirit Airlines
Deal found 6/12$94

Find flights from Oakland to Illinois within your budget

Customize your flight search to find flights from Oakland to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$152 - $236

Route

Depart

Return

Price

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Tue 9/10

1 stop10h 43m

Chicago O'Hare Intl

Wed 9/11

1 stop9h 26m

$152

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Mon 8/12

1 stop7h 45m

Chicago O'Hare Intl

Tue 8/27

1 stop15h 42m

$161

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Wed 8/21

1 stop12h 19m

Chicago O'Hare Intl

Mon 8/26

1 stop12h 14m

$168

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Mon 8/5

1 stop7h 45m

Chicago O'Hare Intl

Wed 8/7

1 stop6h 47m

$169

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Wed 10/2

1 stop25h 51m

Chicago O'Hare Intl

Wed 10/9

1 stop14h 04m

$182

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Tue 7/16

1 stop6h 31m

Chicago O'Hare Intl

Thu 7/18

1 stop12h 07m

$183

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Thu 10/3

1 stop7h 30m

Chicago O'Hare Intl

Tue 10/8

1 stop15h 19m

$185

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Thu 10/3

1 stop10h 20m

Chicago O'Hare Intl

Mon 10/7

1 stop29h 20m

$190

OaklandLambert-St Louis

OAK - STL

OAKSTL

Oakland

Fri 9/13

1 stop8h 36m

Lambert-St Louis

Thu 9/19

1 stop7h 21m

$236

Flights are sorted by cheapest first

Deals found on 6/11

No data available for this route at this time. Please check back soon.

Best time to book a flight from Oakland to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 12, 2024.
Get a feel of what it's like to fly with Spirit Airlines, Alaska Airlines and Delta from Oakland to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,877 reviews

Food

7.3

Overall

8.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.2
Very good
5,877 reviews
Southwest
8.2
Very good
5,877 reviews

Food

7.3

Overall

8.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.1
Very good
9,269 reviews
Southwest
8.2
Very good
5,877 reviews

Food

7.3

Overall

8.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good
10,000 reviews
Southwest
8.2
Very good
5,877 reviews

Food

7.3

Overall

8.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.3
Good
581 reviews
Southwest
8.2
Very good
5,877 reviews

Food

7.3

Overall

8.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

6.6
Okay
1,452 reviews
Southwest
8.2
Very good
5,877 reviews

Food

7.3

Overall

8.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Oakland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Oakland to Illinois?

    Most people fly from Oakland (OAK) if they book a flight from Oakland to Illinois. Oakland is conveniently located just 7.0 mi from Oakland’s city center.

  • Can I find flights from Oakland, California to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Oakland, California to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $152, but on average you can expect to pay $178.

  • Are there last-minute flights available from Oakland, California to Illinois for under $300?

    There are currently 20+ open flights from Oakland, California to Illinois within the next 7 days for less than $300.

  • What are the cheapest airlines to fly from Oakland, California to Illinois one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $77. Sun Country Air flights start at $98 while deals on Alaska Airlines start at $104 one-way.

  • What are the most popular routes from Oakland, California to Illinois?

  • What does OAK to ORD mean?

    Great question - OAK to ORD just means Oakland Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Oakland to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Oakland to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Oakland to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Oakland to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Oakland to Illinois that include hotel bookings?

    Yes. In addition to deals on Oakland to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Illinois.

  • Can I find deals for business class flights from Oakland to Illinois?

    Yes. Cheapflights offers flight deals from Oakland to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Oakland to Illinois that allow pets onboard?

    Many airlines flying from Oakland to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Oakland to Illinois?

    Yes, you can often find last-minute deals on Oakland to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Oakland, California to Illinois flight deals updated?

    The Oakland, California to Illinois flight deals you see on this page were last updated on 6/12.

  • What are the most popular airlines that fly from Oakland, California to Illinois?

  • What is the cheapest month to book a flight from Oakland, California to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Oakland, California to Illinois (average of $244). Flying from Oakland, California to Illinois in July is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Oakland to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Oakland to Illinois

Discover the top 6 airlines that operate flights from Oakland to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$167FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$153Average$365FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$158Average$289FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$181Average$394FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$189Average$430FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$421FlexibilityNo cancel feeOn-timeN/A

Search flights from Oakland to Illinois by cabin class

Find flights from Oakland to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Oakland to Illinois

Find hourly flight availability from Oakland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2024.
24%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
44%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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