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Cheap flights from San Francisco to Chicago O'Hare Intl Airport from $126

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Chicago O'Hare Intl Airport departing on 20/4. 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.
SFO — ORD
5 Mar — 12 Mar1
1 adult
Tue 5/3
Tue 12/3

Cheap flight deals from San Francisco to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 March 2024.

Popular in

June

Cheapest in

February

Round-trip from

$2,789

One-way from

$274
High demand for flights, 19% potential price rise
Best time to find cheap flights, 21% potential price drop
From San Francisco to Chicago O'Hare Intl
One-way flight from San Francisco to Chicago O'Hare Intl

What is the cheapest day to fly return from San Francisco to Chicago O'Hare Intl Airport?

Users have found that flying from San Francisco to Chicago O'Hare Intl Airport on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from San Francisco to Chicago O'Hare Intl Airport?

To save on the cost of your flight from San Francisco to Chicago O'Hare Intl Airport, book at least 36 days before your planned departure. Booking around this time can save you about 54% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $550 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $687.

What is the cheapest month to fly from San Francisco to Chicago O'Hare Intl Airport?

Flights from San Francisco to Chicago O'Hare Intl Airport lean towards being more expensive in June. Prices are generally better when you fly from San Francisco to Chicago O'Hare Intl Airport in September, with the cheapest ticket starting at $161.

When is the cheapest time to fly from San Francisco to Chicago O'Hare Intl Airport (SFO - ORD)?

It’s typically best to fly out from San Francisco to Chicago O'Hare Intl Airport in the afternoon. Doing so could potentially save you 56% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Alaska Airlines flights from San Francisco to O'Hare Intl

Explore cheap flight options specifically provided by Alaska Airlines for the route between San Francisco and O'Hare Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 702,028 searches. Data last updated 1 March 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from San Francisco to Chicago. Deals update often to give you more flight options matching your criteria
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Fri 26/407:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$251
Wed 10/414:40SFO - ORD
1 stop7h 18mAlaska Airlines
Wed 17/417:55ORD - SFO
Nonstop4h 52mAlaska Airlines
Deal found 29/2$264
Thu 25/406:00SFO - ORD
1 stop10h 23mAlaska Airlines
Sun 28/413:06ORD - SFO
1 stop9h 05mAlaska Airlines
Deal found 28/2$280
Mon 22/406:00SFO - ORD
1 stop21h 45mAlaska Airlines
Fri 26/407:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$312
Wed 17/416:30SFO - ORD
1 stop10h 15mAlaska Airlines
Sat 20/407:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$332
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Tue 23/417:55ORD - SFO
Nonstop4h 52mAlaska Airlines
Deal found 28/2$337
Wed 10/409:55SFO - ORD
Nonstop4h 23mAlaska Airlines
Sat 13/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$338
Wed 1/509:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Fri 3/507:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$340
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Sat 30/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$341

Cheap Delta flights from San Francisco to O'Hare Intl

Explore cheap flight options specifically provided by Delta for the route between San Francisco and O'Hare Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 702,028 searches. Data last updated 1 March 2024.
Some of the lowest-priced Delta flights we've found at this time heading from San Francisco to Chicago. Make sure to examine the flight information before completing your reservation.
Wed 1/512:30SFO - ORD
1 stop9h 28mDelta
Tue 7/514:29ORD - SFO
1 stop9h 28mDelta
Deal found 29/2$357
Wed 1/510:00SFO - ORD
1 stop7h 25mDelta
Sat 4/513:35ORD - SFO
1 stop7h 10mDelta
Deal found 29/2$360
Wed 1/517:08SFO - ORD
1 stop5h 51mDelta
Mon 6/517:20ORD - SFO
1 stop8h 49mDelta
Deal found 28/2$363
Wed 10/410:00SFO - ORD
1 stop7h 25mDelta
Wed 17/413:45ORD - SFO
2 stops9h 55mDelta
Deal found 29/2$364
Wed 17/410:00SFO - ORD
1 stop7h 25mDelta
Sat 20/412:40ORD - SFO
2 stops9h 02mDelta
Deal found 29/2$369
Wed 17/410:05SFO - ORD
1 stop5h 50mDelta
Sun 21/407:40ORD - SFO
1 stop6h 54mDelta
Deal found 28/2$370
Sat 13/406:10SFO - ORD
1 stop6h 44mDelta
Sat 20/412:40ORD - SFO
2 stops9h 02mDelta
Deal found 28/2$372
Wed 10/400:45SFO - ORD
1 stop5h 50mDelta
Sat 13/407:05ORD - SFO
1 stop10h 24mDelta
Deal found 28/2$378
Sat 13/406:10SFO - ORD
1 stop6h 44mDelta
Sat 20/409:45ORD - SFO
2 stops11h 57mDelta
Deal found 27/2$386

Cheap San Francisco to O'Hare Intl flights in March & April 2024

Find cheap flight options from San Francisco to O'Hare Intl specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 702,028 searches. Prices were last updated on 1 March 2024.
The lowest fares we've come across on flights travelling from San Francisco to Chicago in February and March 2024. Check back soon for alternative fares.
Mon 25/308:00SFO - ORD
1 stop13h 58mAlaska Airlines
Mon 1/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$312
Thu 7/316:48SFO - ORD
1 stop6h 32mFrontier
Thu 14/323:05ORD - SFO
1 stop12h 38mFrontier
Deal found 29/2$340
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Sun 31/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$341
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Tue 2/417:46ORD - SFO
1 stop7h 56mAlaska Airlines
Deal found 28/2$355
Thu 7/316:48SFO - ORD
Nonstop6h 32mFrontier
Thu 14/323:05ORD - SFO
1 stop12h 38mFrontier
Deal found 29/2$360
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Fri 29/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$363
Sun 24/323:59SFO - ORD
Nonstop4h 21mAlaska Airlines
Wed 3/417:55ORD - SFO
Nonstop5h 00mAlaska Airlines
Deal found 28/2$384
Thu 7/310:58SFO - ORD
2 stops12h 22mFrontier
Thu 14/323:05ORD - SFO
1 stop12h 38mFrontier
Deal found 29/2$394
Tue 26/319:20SFO - ORD
1 stop8h 25mAlaska Airlines
Sun 31/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$397

San Francisco to O'Hare Intl 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and O'Hare Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 702,028 searches. Data last updated 1 March 2024.
The lowest fares we've come across on flights travelling from San Francisco to Chicago in February and March 2024. Check back soon for alternative fares.
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Tue 23/417:55ORD - SFO
Nonstop4h 52mAlaska Airlines
Deal found 29/2$251
Wed 10/414:40SFO - ORD
1 stop7h 18mAlaska Airlines
Sat 13/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$264
Thu 25/406:00SFO - ORD
1 stop10h 23mAlaska Airlines
Sun 28/413:06ORD - SFO
1 stop9h 05mAlaska Airlines
Deal found 28/2$280
Mon 25/308:00SFO - ORD
1 stop13h 58mAlaska Airlines
Mon 1/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$312
Wed 17/416:30SFO - ORD
1 stop10h 15mAlaska Airlines
Sat 20/407:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$332
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Tue 23/417:55ORD - SFO
Nonstop4h 52mAlaska Airlines
Deal found 28/2$337
Wed 10/409:55SFO - ORD
Nonstop4h 23mAlaska Airlines
Thu 11/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$338
Wed 1/509:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Fri 3/507:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 28/2$340
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Sun 31/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$341

Direct flights to O'Hare Intl from San Francisco

Discover direct flight options from San Francisco to O'Hare Intl. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 702,028 searches. Data last updated 1 March 2024.
For a quicker trip, book one of these direct flights from San Francisco to Chicago. Users seeking other options on flights from San Francisco to Chicago should update the search form at the top of the page.
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Fri 26/407:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$251
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Tue 23/417:55ORD - SFO
Nonstop4h 52mAlaska Airlines
Deal found 28/2$337
Wed 10/409:55SFO - ORD
Nonstop4h 23mAlaska Airlines
Sat 13/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$338
Wed 1/509:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Fri 3/507:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 29/2$340
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Sat 30/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$341
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Fri 29/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 29/2$363
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Sun 28/407:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 27/2$367
Wed 10/409:55SFO - ORD
Nonstop4h 23mAlaska Airlines
Sat 13/407:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$381
Wed 1/509:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Fri 3/507:00ORD - SFO
Nonstop4h 46mAlaska Airlines
Deal found 28/2$383

San Francisco to O'Hare Intl flights leaving soon

Find last-minute flight options from San Francisco to O'Hare Intl 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 702,028 searches. Data last updated 1 March 2024.
Users seeking a last-minute flight from San Francisco to Chicago should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Thu 7/316:48SFO - ORD
1 stop6h 32mFrontier
Thu 14/323:05ORD - SFO
1 stop12h 38mFrontier
Deal found 29/2$340
Thu 7/316:48SFO - ORD
Nonstop6h 32mFrontier
Thu 14/323:05ORD - SFO
1 stop12h 38mFrontier
Deal found 29/2$360
Thu 7/310:58SFO - ORD
2 stops12h 22mFrontier
Thu 14/323:05ORD - SFO
1 stop12h 38mFrontier
Deal found 29/2$394
Thu 7/316:48SFO - ORD
Nonstop6h 32mFrontier
Thu 14/310:15ORD - SFO
Nonstop7h 33mFrontier
Deal found 29/2$530
Sun 10/300:55SFO - ORD
1 stop6h 02mDelta
Sat 20/417:15ORD - SFO
1 stop6h 47mDelta
Deal found 28/2$786
Thu 7/319:51SFO - ORD
2 stops27h 49mFrontier
Thu 14/322:10ORD - SFO
2 stops21h 16mFrontier
Deal found 29/2$816
Wed 6/309:55SFO - ORD
Nonstop4h 16mAlaska Airlines
Thu 14/307:00ORD - SFO
Nonstop4h 59mAlaska Airlines
Deal found 28/2$852
Wed 6/309:55SFO - ORD
Nonstop4h 16mAlaska Airlines
Wed 13/317:55ORD - SFO
Nonstop5h 04mAlaska Airlines
Deal found 28/2$855
Wed 6/312:40SFO - ORD
1 stop9h 18mAlaska Airlines
Thu 14/317:55ORD - SFO
Nonstop5h 00mAlaska Airlines
Deal found 28/2$859

One-way flights to O'Hare Intl from San Francisco

Search for one-way flight options from San Francisco to O'Hare Intl. 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 702,028 searches. Data last updated 1 March 2024.
Take a look at some of the one-way flights we've detected from San Francisco to Chicago. Users can also find round-trip San Francisco to Chicago flights by using the search form above.
Sat 20/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Deal found 29/2$126
Mon 13/519:35SFO - ORD
1 stop8h 10mAlaska Airlines
Deal found 29/2$140
Tue 16/409:55SFO - ORD
Nonstop4h 30mAlaska Airlines
Deal found 28/2$169
Fri 19/400:45SFO - ORD
1 stop7h 40mDelta
Deal found 28/2$181
Sat 4/513:10SFO - ORD
2 stops8h 48mAlaska Airlines
Deal found 28/2$197
Thu 2/518:00SFO - ORD
1 stop23h 03mSun Country Air
Deal found 28/2$212
Wed 3/423:59SFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 27/2$214
Thu 18/423:59SFO - ORD
Nonstop4h 24mAlaska Airlines
Deal found 28/2$215
Fri 22/322:55SFO - ORD
Nonstop4h 20mAlaska Airlines
Deal found 29/2$217

Find flights from San Francisco to O'Hare Intl within your budget

Customise your flight search to find flights from San Francisco to O'Hare Intl 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 702,028 searches. Data last updated 1 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$251 - $538

Route

Depart

Return

Price

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Sat 20/4

Nonstop4h 30m

Chicago O'Hare Intl

Fri 26/4

Nonstop4h 46m

$251

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Wed 10/4

1 stop7h 18m

Chicago O'Hare Intl

Wed 17/4

Nonstop4h 52m

$264

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Thu 25/4

1 stop10h 23m

Chicago O'Hare Intl

Sun 28/4

1 stop9h 05m

$280

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Mon 22/4

1 stop21h 45m

Chicago O'Hare Intl

Fri 26/4

Nonstop4h 46m

$312

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Wed 1/5

1 stop9h 28m

Chicago O'Hare Intl

Tue 7/5

1 stop9h 28m

$357

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Wed 1/5

1 stop7h 25m

Chicago O'Hare Intl

Sat 4/5

1 stop7h 10m

$360

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Wed 1/5

1 stop5h 51m

Chicago O'Hare Intl

Mon 6/5

1 stop8h 49m

$363

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Tue 16/4

Nonstop4h 21m

Chicago O'Hare Intl

Sun 21/4

Nonstop4h 46m

$506

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Thu 4/7

1 stop23h 44m

Chicago O'Hare Intl

Tue 9/7

1 stop28h 51m

$538

Flights are sorted by cheapest first

Deals found on 29/2

When is the best time to book a flight from San Francisco to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from San Francisco to O'Hare Intl. Price data was last updated on 28 January 2024.
The price you pay for your flight from San Francisco to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from San Francisco to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly return from San Francisco to O'Hare Intl. Price data was last updated on 25 February 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their San Francisco to Chicago O'Hare Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to O'Hare Intl by month

Plan your trip from San Francisco to O'Hare Intl by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to O'Hare Intl is currently $186 while a return flight costs $359. Price data was last updated on 25 February 2024.

Currently, January is the cheapest month in which you can book a flight from San Francisco to Chicago O'Hare Intl Airport (average of $0). Flying from San Francisco to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,602). 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.

Temperature and rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

-5 - 23 °C

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 1 March 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from San Francisco to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very Good
6,486 reviews

Overall

8.2

Entertainment

7.9

Crew

8.8

Boarding

8.4

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Southwest
8.2
Very Good
6,486 reviews
Southwest
8.2
Very Good
6,486 reviews

Overall

8.2

Entertainment

7.9

Crew

8.8

Boarding

8.4

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very Good
9,264 reviews
Southwest
8.2
Very Good
6,486 reviews

Overall

8.2

Entertainment

7.9

Crew

8.8

Boarding

8.4

Comfort

8.1

Food

7.4

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very Good
11,818 reviews
Southwest
8.2
Very Good
6,486 reviews

Overall

8.2

Entertainment

7.9

Crew

8.8

Boarding

8.4

Comfort

8.1

Food

7.4

Reviews

1 / 10