HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$87+ Cheap flights from South Bend to San Diego (SBN - SAN)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SAN
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Bend to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Bend to San Diego

Cheapest flights from South Bend to San Diego
Explore the most affordable flight options available from South Bend to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:40 pm
SBN
-
SAN
1 stop10h 16m
American Airlines
Tue 3/1010:00 pm
SAN
-
SBN
1 stop10h 15m
American Airlines
Deal found 2/1$173
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:20 am
SBN
-
SAN
1 stop6h 22m
United Airlines
Tue 5/266:40 am
SAN
-
SBN
1 stop9h 10m
United Airlines
Deal found 2/2$243
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:20 am
SBN
-
SAN
1 stop8h 01m
United Airlines
Wed 6/310:49 am
SAN
-
SBN
2 stops8h 01m
United Airlines
Deal found 2/1$248
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:19 pm
SBN
-
SAN
1 stop8h 29m
Delta
Thu 2/2612:00 pm
SAN
-
SBN
1 stop7h 38m
Delta
Deal found 2/3$277
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:05 am
SBN
-
SAN
1 stop6h 38m
Delta
Sat 5/211:58 am
SAN
-
SBN
1 stop7h 33m
Delta
Deal found 2/4$291
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:19 pm
SBN
-
SAN
1 stop8h 29m
Delta
Wed 2/2510:15 pm
SAN
-
SBN
1 stop9h 52m
Delta
Deal found 2/3$305
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:06 pm
SBN
-
SAN
2 stops10h 06m
United Airlines
Mon 4/202:05 pm
SAN
-
SBN
1 stop6h 21m
United Airlines
Deal found 2/3$310
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:08 am
SBN
-
SAN
1 stop6h 39m
United Airlines
Mon 3/232:11 pm
SAN
-
SBN
1 stop6h 12m
United Airlines
Deal found 2/2$314
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/292:30 pm
SBN
-
SAN
1 stop6h 53m
Delta
Sat 7/411:50 am
SAN
-
SBN
1 stop7h 29m
Delta
Deal found 2/2$318

Find flight deals from South Bend to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from South Bend (SBN) to San Diego (SAN). 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$173
(American Airlines)

One-way from

$87
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$402
Provider with most accurate pricing for South Bend/Michiana-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for South Bend/Michiana-San Diego flights.
Search Deals
From South Bend/Michiana to San Diego
Search Deals
One-way flight from South Bend/Michiana to San Diego
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend to San Diego 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 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from South Bend to San Diego that are best for you.

Fly from

South Bend

Fly to

San Diego

Route

Depart

Return

Price

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 5/27

11:37 am-3:30 pm

1 stop6h 53m

San Diego

Wed 6/3

6:40 am-6:50 pm

1 stop9h 10m

$243

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 3/3

5:19 pm-10:48 pm

1 stop8h 29m

San Diego

Wed 3/11

11:54 am-10:29 pm

1 stop7h 35m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Mon 3/2

5:19 pm-10:48 pm

1 stop8h 29m

San Diego

Tue 3/10

6:15 am-4:10 pm

1 stop6h 55m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 2/17

5:19 pm-10:48 pm

1 stop8h 29m

San Diego

Tue 2/24

10:20 pm-11:07 am

1 stop9h 47m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 3/4

5:19 pm-10:48 pm

1 stop8h 29m

San Diego

Wed 3/11

6:15 am-4:10 pm

1 stop6h 55m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 3/4

5:19 pm-10:48 pm

1 stop8h 29m

San Diego

Tue 3/10

6:15 am-4:10 pm

1 stop6h 55m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sun 4/26

7:05 am-10:43 am

1 stop6h 38m

San Diego

Sat 5/2

11:58 am-10:31 pm

1 stop7h 33m

$291

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Fri 3/13

6:08 am-9:47 am

1 stop6h 39m

San Diego

Mon 3/23

2:11 pm-11:23 pm

1 stop6h 12m

$305

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Fri 2/20

5:19 pm-10:48 pm

1 stop8h 29m

San Diego

Thu 2/26

12:00 pm-10:38 pm

1 stop7h 38m

$305

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 3/10

4:42 pm-10:30 pm

1 stop8h 48m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 16 results
1
2

Compare providers for flights from South Bend to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from South Bend to San Diego in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on South Bend-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on South Bend-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from South Bend-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on South Bend-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for South Bend-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from South Bend to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from South Bend 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.

Cheapflights Insights

Everything you need to know about your flight from South Bend to San Diego

How far ahead should I book a flight from South Bend to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from South Bend to San Diego. Price data was last updated on January 30, 2026.

To ensure you get the cheapest price possible for a flight from South Bend to San Diego, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from South Bend to San Diego?

Currently, April is the cheapest month in which you can book a flight from South Bend to San Diego (average of $84). Flying from South Bend to San Diego in May is currently the most expensive (average of $177). 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated February 4, 2026.
Read through reviews of airlines operating flights from South Bend to San Diego, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,144 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,144 reviews
Delta
7.9
Good
8,144 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,236 reviews
Delta
7.9
Good
8,144 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,222 reviews
Delta
7.9
Good
8,144 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from South Bend to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from South Bend to San Diego?

    United Airlines and Delta can get you from South Bend to San Diego in just under 6h 53m. Your travel time can differ by up to 1h 36m. There are 1796 mi between South Bend and San Diego. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from South Bend to San Diego round-trip?

    Flying on American Airlines is currently your cheapest option to San Diego, with prices starting at $215. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $252 and $276, respectively. Users have found that American Airlines is 48% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from South Bend to San Diego one-way?

    $130 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $138 and $166, respectively.

  • Can I find deals for flights from South Bend to San Diego that include hotel bookings?

    Yes. In addition to deals on South Bend to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Bend to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Bend to San Diego.

  • Can I find deals for business class flights from South Bend to San Diego?

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

  • What is the cheapest month to book a flight from South Bend to San Diego?

    Currently, April is the cheapest month in which you can book a flight from South Bend to San Diego (average of $84). Flying from South Bend to San Diego in May is currently the most expensive (average of $177). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Bend to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to San Diego flights
Cincinnati to Las Vegas flights
Midway to Las Vegas flights
O'Hare Intl to Ontario flights
Midway to Los Angeles flights
O'Hare Intl to Palm Springs flights
Cincinnati to Los Angeles flights
O'Hare Intl to Burbank flights
Indianapolis to Las Vegas flights
Indianapolis to Los Angeles flights
O'Hare Intl to San Jose flights
Indianapolis to San Francisco flights
O'Hare Intl to Reno flights
Louisville to Las Vegas flights
Midway to San Francisco flights
Midway to San Diego flights
O'Hare Intl to Sacramento flights
Midway to Santa Ana flights
Rockford to Las Vegas flights
O'Hare Intl to Oakland flights
Indianapolis to San Diego flights
Cincinnati to San Francisco flights
Midway to Palm Springs flights
Dayton to Las Vegas flights
Cincinnati to San Diego flights
Cincinnati to Ontario flights
Midway to Ontario flights
Midway to Reno flights
Indianapolis to Ontario flights
Midway to San Jose flights
Louisville to Los Angeles flights
Fort Wayne to Las Vegas flights
Midway to Burbank flights
Cincinnati to Santa Ana flights
O'Hare Intl to Fresno flights
O'Hare Intl to Santa Barbara flights
South Bend to Las Vegas flights
Indianapolis to Santa Ana flights
Dayton to Los Angeles flights
Cincinnati to San Jose flights
Indianapolis to San Jose flights
Louisville to San Diego flights
Cincinnati to Burbank flights
Indianapolis to Oakland flights
Louisville to San Francisco flights
Midway to Oakland flights

Top 3 airlines flying from South Bend to San Diego

Discover the top 3 airlines that operate flights from South Bend to San Diego. 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 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$215Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$252Average$437FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$373FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights