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Cheap flights from San Diego to Chicago O'Hare Intl Airport from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Chicago O'Hare Intl Airport departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Diego to Chicago.
Spirit Airlines Logo
6:15 am - 2:03 pmSAN-ORD
5h 48m1 stop
Spirit Airlines Logo
7:12 pm - 7:34 amORD-SAN
14h 22m1 stop
$128Spirit Airlines
Find Deal
Thu, Apr 24 - Sun, Apr 27
Spirit Airlines Logo
8:29 am - 6:33 amSAN-ORD
20h 04m1 stop
Spirit Airlines Logo
7:12 pm - 7:34 amORD-SAN
14h 22m1 stop
$152Spirit Airlines
Find Deal
Thu, Apr 24 - Sun, Apr 27
Spirit Airlines Logo
5:43 pm - 5:25 amSAN-ORD
9h 42m1 stop
Spirit Airlines Logo
9:02 pm - 7:13 amORD-SAN
12h 11m1 stop
$161Spirit Airlines
Find Deal
Thu, May 8 - Mon, May 12
Frontier Logo
8:50 pm - 11:37 pmSAN-ORD
24h 47m1 stop
Frontier Logo
8:30 am - 9:37 amORD-SAN
27h 07m1 stop
$181Frontier
Find Deal
Thu, Apr 24 - Sun, Apr 27
 Logo
4:15 pm - 10:31 pmSAN-ORD
4h 16mnonstop
 Logo
11:50 am - 11:29 pmORD-SAN
13h 39m1 stop
Sat, Jun 14 - Tue, Jun 17
 Logo
8:48 pm - 5:25 amSAN-ORD
6h 37m1 stop
 Logo
1:08 pm - 3:30 pmORD-SAN
4h 22mnonstop
Tue, Jun 3 - Tue, Jul 1
Frontier Logo
4:15 pm - 10:31 pmSAN-ORD
4h 16mnonstop
Frontier Logo
1:08 pm - 3:30 pmORD-SAN
4h 22mnonstop
$227Frontier
Find Deal
Wed, Jul 2 - Mon, Jul 7
Alaska Airlines Logo
7:55 pm - 6:16 pmSAN-ORD
20h 21m1 stop
Alaska Airlines Logo
6:58 pm - 8:15 amORD-SAN
15h 17m1 stop
$293Alaska Airlines
Find Deal
Fri, Apr 18 - Tue, Apr 29
United Airlines Logo
4:02 pm - 12:29 amSAN-ORD
6h 27m1 stop
United Airlines Logo
8:55 am - 11:23 amORD-SAN
4h 28mnonstop
$300United Airlines
Find Deal
Sat, May 17 - Sat, May 31
United Airlines Logo
10:10 pm - 4:17 amSAN-ORD
4h 07mnonstop
United Airlines Logo
1:25 pm - 3:47 pmORD-SAN
4h 22mnonstop
$308United Airlines
Find Deal
Tue, May 20 - Sun, May 25

Frontier flights from San Diego to Chicago O'Hare Intl Airport

Our best Frontier deals on San Diego to Chicago O'Hare Intl Airport flight tickets
Frontier
Apr 24
SAN8:50 pmSan Diego
24h 47m
1 stop
ORD11:37 pmChicago O'Hare Intl
Apr 27
ORD8:30 amChicago O'Hare Intl
27h 07m
1 stop
SAN9:37 amSan Diego
Frontier
Jul 2
SAN4:15 pmSan Diego
4h 16m
ORD10:31 pmChicago O'Hare Intl
Jul 7
ORD1:08 pmChicago O'Hare Intl
4h 22m
SAN3:30 pmSan Diego
Frontier
Jun 12
SAN4:15 pmSan Diego
4h 16m
ORD10:31 pmChicago O'Hare Intl
Jun 19
ORD1:08 pmChicago O'Hare Intl
4h 22m
SAN3:30 pmSan Diego

Spirit Airlines flights from San Diego to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on San Diego to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
Apr 24
SAN6:15 amSan Diego
5h 48m
1 stop
ORD2:03 pmChicago O'Hare Intl
Apr 27
ORD7:12 pmChicago O'Hare Intl
14h 22m
1 stop
SAN7:34 amSan Diego
Spirit Airlines
Apr 24
SAN8:29 amSan Diego
20h 04m
1 stop
ORD6:33 amChicago O'Hare Intl
Apr 27
ORD7:12 pmChicago O'Hare Intl
14h 22m
1 stop
SAN7:34 amSan Diego
Spirit Airlines
May 8
SAN5:43 pmSan Diego
9h 42m
1 stop
ORD5:25 amChicago O'Hare Intl
May 12
ORD9:02 pmChicago O'Hare Intl
12h 11m
1 stop
SAN7:13 amSan Diego

See travel insights to Chicago from

How to get the cheapest flight ticket from San Diego to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from San Diego averaging around $358.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $479. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $656.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from San Diego in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $556. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Diego to Chicago O'Hare Intl flight route?

Fly from San Diego to Chicago O'Hare Intl for the best San Diego - Chicago O'Hare Intl flight prices

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Diego when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $423 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Diego for as low as $350 on momondo.

What cabin class options are available on San Diego to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on San Diego to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Diego to Chicago O'Hare Intl Airport flight prices changed over time?

As of April 2025, prices for San Diego to Chicago O'Hare Intl Airport flights are approximately 42% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Chicago O'Hare Intl Airport (SAN to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Chicago O'Hare Intl Airport

Best Price Found

$62

Fastest flight time

4h 05m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from San Diego in the past 72 hours is $62. The best round-trip flight deal from San Diego to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $128.
The fastest flight from San Diego to Chicago O'Hare Intl Airport takes 4h 05m
Direct flights go from San Diego to Chicago O'Hare Intl Airport every day.

  • How far is San Diego to Chicago O'Hare Intl by plane?

    A flight from San Diego to Chicago O'Hare Intl will travel around 1717.8 mi. Typically, this will take 4h 07m by plane in normal conditions.

  • When did momondo last update prices for flights from San Diego Airport to Chicago O'Hare Intl Airport?

    Prices for flights from San Diego Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from San Diego Airport to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to Chicago O'Hare Intl Airport?

  • What is the most popular airline from San Diego to Chicago O'Hare Intl Airport?


Best airlines flying from San Diego to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from San Diego to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $90Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $93Free CancellationRating
6.3
7,888 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $217Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
DeltaPriceFrom $281Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Alaska AirlinesPriceFrom $391Free CancellationRating
8.0
9,825 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From San Diego to Chicago O'Hare Intl Airport

    Across 12 Alaska Airlines flights from San Diego to Chicago O'Hare Intl Airport this week, the average price was $809, with the best Alaska Airlines deals starting from $391 round-trip. 9,825 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • United Airlines Flights From San Diego to Chicago O'Hare Intl Airport

    United Airlines is also a popular choice for this route. United Airlines flight deals for San Diego to Chicago O'Hare Intl Airport start from as low as $255 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $474. United Airlines operates 38 flights to Chicago O'Hare Intl Airport from San Diego in an average week. Users have rated it 7.4/10 across 8,616 reviews.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Rosemont
Gurnee
Naperville
Kenosha
Joliet
South Haven
Oak Brook
Racine
Tinley Park
New Buffalo
South Holland
Hammond
Elgin
Aurora
Elk Grove Village
Orland Park

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to Chicago with flexible booking policies on momondo?

All flight searches from San Diego to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Chicago?

momondo provides multiple filters to help you find the best flight to Chicago from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Diego to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.


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