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Cheap flights from San Diego to Chicago from $70

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 departing on 9/10. 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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Find the cheapest flights from San Diego to Chicago

Cheap round-trip flights

Southwest Logo
10:40 am - 4:40 pmSAN-MDW
4h 00mnonstop
Southwest Logo
7:25 pm - 9:35 pmMDW-SAN
4h 10mnonstop
$139Southwest
Find Deal
Wed, Sep 24 - Sat, Sep 27
Southwest Logo
10:40 am - 4:40 pmSAN-MDW
4h 00mnonstop
Southwest Logo
7:05 pm - 9:20 pmMDW-SAN
4h 15mnonstop
$148Southwest
Find Deal
Wed, Aug 27 - Wed, Sep 3
Southwest Logo
8:00 am - 1:55 pmSAN-MDW
3h 55mnonstop
Southwest Logo
7:05 pm - 9:20 pmMDW-SAN
4h 15mnonstop
$154Southwest
Find Deal
Wed, Aug 27 - Wed, Sep 3
Southwest Logo
1:05 pm - 9:35 pmSAN-MDW
6h 30m1 stop
Southwest Logo
7:25 pm - 9:35 pmMDW-SAN
4h 10mnonstop
$158Southwest
Find Deal
Wed, Sep 24 - Sat, Sep 27
Southwest Logo
6:35 am - 3:55 pmSAN-MDW
7h 20m2 stops
Southwest Logo
7:25 pm - 9:35 pmMDW-SAN
4h 10mnonstop
$163Southwest
Find Deal
Wed, Sep 24 - Sat, Sep 27
Southwest Logo
4:20 pm - 12:15 amSAN-MDW
5h 55m1 stop
Southwest Logo
7:25 pm - 9:35 pmMDW-SAN
4h 10mnonstop
$164Southwest
Find Deal
Thu, Sep 25 - Sat, Sep 27
Frontier Logo
1:18 pm - 9:58 pmSAN-MDW
6h 40m1 stop
Frontier Logo
1:53 pm - 6:44 pmMDW-SAN
6h 51m1 stop
$236Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Frontier Logo
8:00 am - 5:03 pmSAN-MDW
7h 03m1 stop
Frontier Logo
2:44 pm - 9:52 amMDW-SAN
21h 08m1 stop
$238Frontier
Find Deal
Wed, Aug 13 - Sat, Aug 16
Frontier Logo
8:00 am - 5:03 pmSAN-MDW
7h 03m1 stop
Frontier Logo
11:00 am - 4:59 pmMDW-SAN
7h 59m1 stop
$249Frontier
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Wed, Aug 13 - Thu, Aug 21
Delta Logo
12:07 pm - 9:36 pmSAN-MDW
7h 29m1 stop
Delta Logo
7:15 pm - 11:42 pmMDW-SAN
6h 27m1 stop
$257Delta
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Thu, Sep 25 - Tue, Sep 30

Southwest flights from San Diego to Chicago Midway Airport

Our best Southwest deals on San Diego to Chicago Midway Airport flight tickets
Southwest
Sep 24
SAN10:40 amSan Diego
4h 00m
MDW4:40 pmChicago Midway
Sep 27
MDW7:25 pmChicago Midway
4h 10m
SAN9:35 pmSan Diego
$139
Find similar
Southwest
Aug 27
SAN10:40 amSan Diego
4h 00m
MDW4:40 pmChicago Midway
Sep 3
MDW7:05 pmChicago Midway
4h 15m
SAN9:20 pmSan Diego
$148
Find similar
Southwest
Aug 27
SAN8:00 amSan Diego
3h 55m
MDW1:55 pmChicago Midway
Sep 3
MDW7:05 pmChicago Midway
4h 15m
SAN9:20 pmSan Diego
$154
Find similar

Frontier flights from San Diego to Chicago Midway Airport

Our best Frontier deals on San Diego to Chicago Midway Airport flight tickets
Frontier
Sep 11
SAN1:18 pmSan Diego
6h 40m
1 stop
MDW9:58 pmChicago Midway
Sep 14
MDW1:53 pmChicago Midway
6h 51m
1 stop
SAN6:44 pmSan Diego
$236
Find similar
Frontier
Aug 13
SAN8:00 amSan Diego
7h 03m
1 stop
MDW5:03 pmChicago Midway
Aug 16
MDW2:44 pmChicago Midway
21h 08m
1 stop
SAN9:52 amSan Diego
$238
Find similar
Frontier
Aug 13
SAN8:00 amSan Diego
7h 03m
1 stop
MDW5:03 pmChicago Midway
Aug 21
MDW11:00 amChicago Midway
7h 59m
1 stop
SAN4:59 pmSan Diego
$249
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momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Chicago Midway Airport 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, momondo users made 832,500 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from San Diego to Chicago Midway Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 9/24

10:40 am-4:40 pm

Nonstop4h 00m

Chicago Midway

Sat 9/27

7:25 pm-9:35 pm

Nonstop4h 10m

$139

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 8/27

10:40 am-4:40 pm

Nonstop4h 00m

Chicago Midway

Wed 9/3

7:05 pm-9:20 pm

Nonstop4h 15m

$148

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 8/27

8:00 am-1:55 pm

Nonstop3h 55m

Chicago Midway

Wed 9/3

7:05 pm-9:20 pm

Nonstop4h 15m

$154

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 9/24

1:05 pm-9:35 pm

1 stop6h 30m

Chicago Midway

Sat 9/27

7:25 pm-9:35 pm

Nonstop4h 10m

$158

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 9/24

6:35 am-3:55 pm

2 stops7h 20m

Chicago Midway

Sat 9/27

7:25 pm-9:35 pm

Nonstop4h 10m

$163

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Thu 9/25

4:20 pm-12:15 am

1 stop5h 55m

Chicago Midway

Sat 9/27

7:25 pm-9:35 pm

Nonstop4h 10m

$164

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Thu 9/11

1:18 pm-9:58 pm

1 stop6h 40m

Chicago Midway

Sun 9/14

1:53 pm-6:44 pm

1 stop6h 51m

$236

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 8/13

8:00 am-5:03 pm

1 stop7h 03m

Chicago Midway

Sat 8/16

2:44 pm-9:52 am

1 stop21h 08m

$238

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Wed 8/13

8:00 am-5:03 pm

1 stop7h 03m

Chicago Midway

Thu 8/21

11:00 am-4:59 pm

1 stop7h 59m

$249

San DiegoChicago

SAN - MDW

SANMDW

San Diego

Thu 9/25

12:07 pm-9:36 pm

1 stop7h 29m

Chicago Midway

Tue 9/30

7:15 pm-11:42 pm

1 stop6h 27m

$257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from San Diego to Chicago Midway 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 Midway Airport?

The month of December is, on average, the cheapest month to fly to Chicago Midway Airport from San Diego, with most prices found around $290. If you are unable to visit Chicago Midway Airport during the month of December, then departing from San Diego during the month September is also very affordable. Most momondo users find prices during this month for around $309.

What is the cheapest day to depart on your flight to Chicago Midway Airport?

According to our data, Wednesday is the cheapest day to fly to Chicago Midway Airport from San Diego. The lowest ticket price found for a Wednesday departure recently was $414. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 $526.

What is the cheapest time of day to depart on your flight to Chicago Midway Airport?

Flying to Chicago Midway Airport from San Diego in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $387 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $545. 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 Midway flight route?

Fly from San Diego to Chicago Midway for the best San Diego - Chicago Midway flight prices

How far in advance should I book a flight to Chicago Midway Airport?

You are more likely to see cheaper flights to Chicago Midway Airport from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago Midway Airport for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago Midway Airport from San Diego for as low as $225 on momondo.

What cabin class options are available on San Diego to Chicago Midway flights?

There are 1 cabin classes available to choose from on San Diego to Chicago Midway flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Chicago Midway Airport flights?

No. A direct flight is the cheapest option for a flight between San Diego to Chicago Midway Airport.

How have San Diego to Chicago Midway Airport flight prices changed over time?

As of August 2025, prices for San Diego to Chicago Midway Airport flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Chicago Midway Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Chicago Midway 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 Midway Airport (SAN to MDW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Chicago Midway Airport

Best Price Found

$70

Fastest flight time

3h 55m

Direct flights

Every day
The best one-way flight to Chicago Midway Airport from San Diego in the past 72 hours is $70. The best round-trip flight deal from San Diego to Chicago Midway Airport found on momondo in the last 72 hours is $139.
The fastest flight from San Diego to Chicago Midway Airport takes 3h 55m
Direct flights go from San Diego to Chicago Midway Airport every day.
Search flight deals

  • How far is San Diego to Chicago Midway by plane?

    A flight from San Diego to Chicago Midway will travel around 1723.1 mi. Flights usually cover this in 3h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Diego Airport to Chicago Midway Airport?

    Prices for flights from San Diego Airport to Chicago Midway Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Chicago Midway Airport?

  • How old do you have to be to fly from San Diego Airport to Chicago Midway Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Chicago Midway Airport.

  • What documentation or ID do you need to fly to Chicago Midway Airport?

    The travel and health documents you'll need for your trip to Chicago Midway Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago Midway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Diego to Chicago Midway Airport?

  • What is the most popular airline from San Diego to Chicago Midway Airport?

Best airlines flying from San Diego to Chicago Midway Airport

Compare and see reviews for airlines that fly from San Diego to Chicago Midway Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $121Free CancellationRating
5.8
3,241 reviews
Search Frontier flights
SouthwestPriceFrom $260Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Southwest Flights From San Diego to Chicago Midway Airport

    The lowest priced Southwest flight from San Diego to Chicago Midway Airport from the last 72 hours was $260. Generally, Southwest has 12 flights on this route every week with an average price of $440. Southwest is rated 8.0/10 by our users.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

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?

Yes. All flights to Chicago from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Price alerts on flights to Chicago from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Chicago Midway Airport trip

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