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$132+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SAN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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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

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Cheapflights Tip: The best prices from South Bend/Michiana to San Diego are usually found in December or October, booked 79 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:57 pmSBN - SAN
1 stop17h 41mMultiple Airlines
Sun 1/119:19 pmSAN - SBN
1 stop19h 26mMultiple Airlines
Deal found 12/3$292
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:30 pmSBN - SAN
1 stop17h 08mMultiple Airlines
Wed 12/176:25 amSAN - SBN
2 stops35h 42mMultiple Airlines
Deal found 12/4$293
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/179:10 amSBN - SAN
1 stop9h 20mUnited Airlines
Sun 12/212:11 pmSAN - SBN
1 stop6h 09mUnited Airlines
Deal found 12/2$322
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:46 pmSBN - SAN
1 stop8h 10mAmerican Airlines
Wed 12/179:37 amSAN - SBN
1 stop9h 27mAmerican Airlines
Deal found 12/3$353
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/117:30 amSBN - SAN
1 stop7h 00mUnited Airlines
Wed 12/1711:02 amSAN - SBN
2 stops9h 22mUnited Airlines
Deal found 12/3$358
This Delta deal was found by Cheapflights users on 12/2. 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.
Tue 12/97:05 amSBN - SAN
1 stop9h 04mDelta
Wed 12/106:15 amSAN - SBN
1 stop7h 01mDelta
Deal found 12/2$383
This Delta deal was found by Cheapflights users on 12/4. 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.
Thu 12/116:00 amSBN - SAN
1 stop10h 02mDelta
Wed 12/1711:36 amSAN - SBN
1 stop6h 16mDelta
Deal found 12/4$408
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/126:05 amSBN - SAN
1 stop6h 35mUnited Airlines
Tue 12/1610:23 amSAN - SBN
2 stops10h 01mUnited Airlines
Deal found 12/3$413
This Delta deal was found by Cheapflights users on 12/2. 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.
Tue 12/97:05 amSBN - SAN
1 stop7h 09mDelta
Fri 12/1211:05 amSAN - SBN
1 stop7h 37mDelta
Deal found 12/2$418
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:49 pmSBN - SAN
2 stops30h 58mMultiple Airlines
Tue 12/309:14 pmSAN - SBN
1 stop11h 18mMultiple Airlines
Deal found 12/1$424

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$208
(American Airlines)

One-way from

$132
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$311
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. 20% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 4, 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

Fri 2/6

6:00 am-9:40 am

1 stop6h 40m

San Diego

Tue 2/10

11:10 am-11:30 pm

2 stops9h 20m

$248

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sat 1/10

7:25 am-3:03 pm

2 stops10h 38m

San Diego

Wed 1/14

12:40 pm-11:48 pm

1 stop8h 08m

$268

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sat 1/10

2:51 pm-6:58 pm

1 stop7h 07m

San Diego

Wed 1/14

11:43 am-8:55 pm

1 stop6h 12m

$277

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Sat 1/10

10:00 am-3:40 pm

1 stop8h 40m

San Diego

Wed 1/14

2:11 pm-11:30 pm

1 stop6h 19m

$333

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 3/4

5:19 pm-10:50 pm

1 stop8h 31m

San Diego

Sun 3/8

11:55 am-10:29 pm

1 stop7h 34m

$342

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Thu 12/18

9:57 pm-12:38 pm

1 stop17h 41m

San Diego

Sun 1/11

6:36 am-3:54 pm

2 stops30h 18m

$352

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 12/16

1:12 pm-6:05 pm

1 stop7h 53m

$132

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Wed 12/17

6:05 am-9:40 am

1 stop6h 35m

$132

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Tue 12/16

9:10 am-3:04 pm

2 stops8h 54m

$137

South BendSan Diego

SBN - SAN

SBNSAN

South Bend/Michiana

Thu 12/18

9:57 pm-12:38 pm

1 stop17h 41m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 11 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on South Bend-San Diego flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 28, 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 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, 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 December 4, 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
7.9
Good
8,011 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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
11,047 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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, American Airlines, and Delta can get you from South Bend to San Diego in just under 6h 40m. Your travel time can differ by up to 3h 58m. 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 $222. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $276 and $287, respectively. Users have found that American Airlines is 46% 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 $193, 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
Julian
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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$222Average$423FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$439FlexibilityNo cancel feeOn-time69%

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