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$121+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SAN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from South Bend/Michiana to San Diego are usually found in August or January, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap 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 September 11, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$121
(Trip.com)

Popular in

June

Cheapest in

August

Average price

$430
From South Bend/Michiana to San Diego
Search Deals
One-way flight from South Bend/Michiana to San Diego
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Highest demand for flights based on searches. 16% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:19 pmSBN - SAN
1 stop13h 07mMultiple Airlines
Sat 10/252:11 pmSAN - SBN
1 stop19h 23mMultiple Airlines
Deal found 9/9$262
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/86:05 amSBN - SAN
1 stop6h 35mUnited Airlines
Sat 10/116:48 amSAN - SBN
1 stop6h 14mUnited Airlines
Deal found 9/9$289
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/296:47 pmSBN - SAN
1 stop6h 33mUnited Airlines
Sat 11/19:00 amSAN - SBN
2 stops9h 37mUnited Airlines
Deal found 9/9$294
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:10 pmSBN - SAN
1 stop17h 25mMultiple Airlines
Sun 11/168:30 amSAN - SBN
1 stop9h 50mMultiple Airlines
Deal found 9/11$333
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/76:47 pmSBN - SAN
1 stop6h 33mUnited Airlines
Tue 11/1111:02 amSAN - SBN
2 stops9h 23mUnited Airlines
Deal found 9/11$338
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:19 pmSBN - SAN
1 stop13h 07mMultiple Airlines
Sun 10/268:11 amSAN - SBN
2 stops23h 48mMultiple Airlines
Deal found 9/9$346
This Delta deal was found by Cheapflights users on 9/10. 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 11/187:05 amSBN - SAN
2 stops15h 14mDelta
Sat 11/2210:00 pmSAN - SBN
1 stop7h 21mDelta
Deal found 9/10$368
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/181:11 pmSBN - SAN
2 stops9h 35mUnited Airlines
Sat 10/256:53 amSAN - SBN
2 stops7h 43mUnited Airlines
Deal found 9/9$378
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 10/2511:37 amSBN - SAN
1 stop7h 13mUnited Airlines
Tue 10/288:40 pmSAN - SBN
2 stops11h 13mUnited Airlines
Deal found 9/8$384

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 September 11, 2025.
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

Sat 10/18

9:19 pm-7:26 am

1 stop13h 07m

San Diego

Sat 10/25

2:11 pm-12:34 pm

1 stop19h 23m

$262

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 10/29

6:47 pm-10:20 pm

1 stop6h 33m

San Diego

Sat 11/1

8:30 am-8:41 pm

1 stop9h 11m

$289

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 11/19

7:05 am-11:06 am

1 stop7h 01m

San Diego

Sat 11/22

10:00 pm-8:21 am

1 stop7h 21m

$289

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 10/8

6:05 am-9:40 am

1 stop6h 35m

San Diego

Sat 10/11

6:48 am-4:02 pm

1 stop6h 14m

$289

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 12/10

7:30 am-11:30 am

1 stop7h 00m

San Diego

Mon 12/15

7:00 am-6:37 pm

1 stop8h 37m

$289

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Thu 11/13

10:10 pm-12:35 pm

1 stop17h 25m

San Diego

Sun 11/16

1:20 pm-2:59 pm

2 stops22h 39m

$294

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Fri 11/7

6:47 pm-10:20 pm

1 stop6h 33m

San Diego

Tue 11/11

11:02 am-11:25 pm

2 stops9h 23m

$338

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sat 10/25

11:37 am-3:50 pm

1 stop7h 13m

San Diego

Tue 10/28

8:40 pm-10:53 am

2 stops11h 13m

$384

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sun 9/21

10:24 pm-11:17 pm

1 stop27h 53m

$121

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Mon 11/3

12:19 pm-1:28 pm

3 stops52h 09m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
1
2

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from South Bend to San Diego, you should look to book at least 27 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, August is the cheapest month in which you can book a flight from South Bend to San Diego (average of $286). Flying from South Bend to San Diego in March is currently the most expensive (average of $366). 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 September 11, 2025.
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
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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 33m. Your travel time can differ by up to 28m. 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 $288. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $288 and $288, respectively. Users have found that American Airlines is 34% cheaper than the other options available to this destination.

  • 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, August is the cheapest month in which you can book a flight from South Bend to San Diego (average of $286). Flying from South Bend to San Diego in March is currently the most expensive (average of $366). 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
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$430FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$475FlexibilityNo cancel feeOn-time69%

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