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$180+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SAN
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from South Bend/Michiana to San Diego are usually found in December or October, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

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 October 10, 2025.

This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:00 amSBN - SAN
1 stop9h 29mAmerican Airlines
Sat 11/16:15 amSAN - SBN
1 stop7h 11mAmerican Airlines
Deal found 10/8$218
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:06 pmSBN - SAN
1 stop9h 34mAmerican Airlines
Tue 11/49:42 amSAN - SBN
1 stop9h 26mAmerican Airlines
Deal found 10/8$228
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:56 pmSBN - SAN
1 stop9h 51mDelta
Sat 12/1311:30 amSAN - SBN
1 stop6h 22mDelta
Deal found 10/8$277
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:06 pmSBN - SAN
1 stop8h 38mAmerican Airlines
Tue 10/2810:31 pmSAN - SBN
1 stop9h 01mAmerican Airlines
Deal found 10/8$278
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/246:12 pmSBN - SAN
1 stop7h 02mUnited Airlines
Tue 10/2811:02 amSAN - SBN
2 stops9h 23mUnited Airlines
Deal found 10/8$283
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:26 pmSBN - SAN
1 stop6h 46mAmerican Airlines
Wed 10/2211:35 amSAN - SBN
1 stop7h 51mAmerican Airlines
Deal found 10/8$293
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Mon 12/83:15 pmSBN - SAN
2 stops10h 15mUnited Airlines
Sat 12/137:00 amSAN - SBN
1 stop6h 18mUnited Airlines
Deal found 10/8$294
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:05 amSBN - SAN
1 stop9h 01mDelta
Sat 11/2210:00 pmSAN - SBN
1 stop7h 21mDelta
Deal found 10/8$308
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:06 pmSBN - SAN
1 stop8h 38mAmerican Airlines
Mon 10/2710:31 pmSAN - SBN
1 stop9h 01mAmerican Airlines
Deal found 10/8$313
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Tue 10/286:47 pmSBN - SAN
1 stop6h 33mUnited Airlines
Sat 11/111:20 amSAN - SBN
2 stops9h 05mUnited Airlines
Deal found 10/8$319

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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$173
(American Airlines)

Popular in

June

Cheapest in

December

Average price

$324
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
Highest demand for flights based on searches. 18% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 10, 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

Wed 1/7

6:00 am-1:18 pm

1 stop10h 18m

San Diego

Wed 1/14

12:05 pm-10:28 pm

1 stop7h 23m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Thu 10/23

5:06 pm-10:44 pm

1 stop8h 38m

San Diego

Tue 10/28

10:31 pm-10:32 am

1 stop9h 01m

$278

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Fri 10/24

6:12 pm-10:14 pm

1 stop7h 02m

San Diego

Tue 10/28

2:16 pm-11:25 pm

1 stop6h 09m

$278

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 1/7

6:00 am-11:39 am

1 stop8h 39m

San Diego

Wed 1/14

10:09 am-11:48 pm

2 stops10h 39m

$286

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Mon 12/8

3:15 pm-10:30 pm

2 stops10h 15m

San Diego

Sat 12/13

7:00 am-4:18 pm

1 stop6h 18m

$294

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 11/18

7:05 am-1:06 pm

1 stop9h 01m

San Diego

Sat 11/22

10:00 pm-8:21 am

1 stop7h 21m

$308

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 10/28

9:11 am-3:00 pm

2 stops8h 49m

San Diego

Sat 11/1

6:45 am-6:12 pm

2 stops8h 27m

$324

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 11/18

3:18 pm-6:50 pm

1 stop6h 32m

San Diego

Sat 11/22

8:40 pm-11:13 am

2 stops11h 33m

$338

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sat 10/18

8:24 am-2:32 pm

1 stop9h 08m

San Diego

Tue 10/21

10:30 pm-11:28 am

1 stop9h 58m

$343

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Fri 10/17

4:01 pm-9:53 pm

1 stop8h 52m

San Diego

Wed 10/22

6:15 am-4:29 pm

1 stop7h 14m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 22 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 October 3, 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 89 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, September is the cheapest month in which you can book a flight from South Bend to San Diego (average of $88). Flying from South Bend to San Diego in May is currently the most expensive (average of $197). 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 October 10, 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
7,969 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8,968 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
11,043 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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?

    Delta, American Airlines, and United Airlines can get you from South Bend to San Diego in just under 7h 02m. Your travel time can differ by up to 3h 16m. 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 $262. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $276 and $288, respectively. Users have found that American Airlines is 37% cheaper than the other options available to this destination.

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

    $180 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $202 and $257, 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, September is the cheapest month in which you can book a flight from South Bend to San Diego (average of $88). Flying from South Bend to San Diego in May is currently the most expensive (average of $197). 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
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

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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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$262Average$448FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$341FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$455FlexibilityNo cancel feeOn-time69%

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