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$194+ Cheap flights from Harrisburg to San Diego (MDT - 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SAN
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Harrisburg to San Diego

Cheapest flights from Harrisburg to San Diego
Explore the most affordable flight options available from Harrisburg to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This American Airlines deal was found by Cheapflights users on 3/14. 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 9/16:25 am
MDT
-
SAN
1 stop8h 29m
American Airlines
Tue 9/156:20 am
SAN
-
MDT
1 stop7h 32m
American Airlines
Deal found 3/14$347
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 5/27:00 am
MDT
-
SAN
1 stop8h 14m
American Airlines
Mon 5/410:30 pm
SAN
-
MDT
1 stop8h 02m
American Airlines
Deal found 3/15$358
This American Airlines deal was found by Cheapflights users on 3/16. 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 4/152:50 pm
MDT
-
SAN
1 stop10h 59m
American Airlines
Wed 4/2210:40 pm
SAN
-
MDT
1 stop9h 43m
American Airlines
Deal found 3/16$367
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 5/13:37 pm
MDT
-
SAN
1 stop8h 13m
American Airlines
Fri 5/810:30 pm
SAN
-
MDT
1 stop7h 57m
American Airlines
Deal found 3/14$369
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/155:52 pm
MDT
-
SAN
1 stop8h 07m
United Airlines
Wed 4/2211:01 am
SAN
-
MDT
2 stops10h 41m
United Airlines
Deal found 3/16$372
This Delta deal was found by Cheapflights users on 3/17. 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 5/16:19 pm
MDT
-
SAN
1 stop8h 06m
Delta
Mon 5/42:10 pm
SAN
-
MDT
1 stop6h 49m
Delta
Deal found 3/17$377
This American Airlines deal was found by Cheapflights users on 3/15. 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 4/75:38 am
MDT
-
SAN
1 stop9h 35m
American Airlines
Mon 4/1310:30 pm
SAN
-
MDT
1 stop8h 02m
American Airlines
Deal found 3/15$378
This United Airlines deal was found by Cheapflights users on 3/14. 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 5/15:54 pm
MDT
-
SAN
1 stop7h 45m
United Airlines
Sat 5/98:45 pm
SAN
-
MDT
2 stops10h 22m
United Airlines
Deal found 3/14$383
This American Airlines deal was found by Cheapflights users on 3/13. 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 7/155:00 pm
MDT
-
SAN
1 stop9h 28m
American Airlines
Wed 7/226:15 am
SAN
-
MDT
1 stop9h 32m
American Airlines
Deal found 3/13$387
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/235:52 pm
MDT
-
SAN
1 stop8h 07m
United Airlines
Thu 5/79:45 pm
SAN
-
MDT
1 stop8h 59m
United Airlines
Deal found 3/13$389
This United Airlines deal was found by Cheapflights users on 3/15. 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 6/15:50 pm
MDT
-
SAN
1 stop7h 44m
United Airlines
Mon 6/89:45 pm
SAN
-
MDT
1 stop8h 55m
United Airlines
Deal found 3/15$393
This United Airlines deal was found by Cheapflights users on 3/17. 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 5/12:40 pm
MDT
-
SAN
1 stop9h 05m
United Airlines
Mon 5/48:45 pm
SAN
-
MDT
2 stops9h 59m
United Airlines
Deal found 3/17$394

Find flight deals from Harrisburg to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$347
(American Airlines)

One-way from

$194
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$506
Provider with most accurate pricing for Harrisburg-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-San Diego flights.
Search Deals
From Harrisburg to San Diego
Search Deals
One-way flight from Harrisburg to San Diego
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg 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 March 17, 2026.
Use the filters below to find and compare flights from Harrisburg to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sat 4/25

2:41 pm-11:59 pm

2 stops12h 18m

San Diego

Wed 4/29

12:55 pm-11:28 pm

1 stop7h 33m

$452

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sat 4/25

5:38 am-11:30 am

1 stop8h 52m

San Diego

Wed 4/29

12:53 pm-11:52 pm

1 stop7h 59m

$462

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Fri 4/17

5:53 pm-10:59 pm

1 stop8h 06m

San Diego

Sat 4/25

9:46 am-11:28 pm

2 stops10h 42m

$463

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Thu 6/11

11:37 am-5:02 pm

1 stop8h 25m

San Diego

Tue 6/16

8:35 pm-6:37 pm

2 stops19h 02m

$482
Quickest round-trip

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sun 4/26

6:15 am-11:25 am

1 stop8h 10m

San Diego

Mon 4/27

2:10 pm-12:42 am

1 stop7h 32m

$497

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Fri 6/12

2:17 pm-11:54 pm

2 stops12h 37m

San Diego

Fri 6/19

10:40 pm-9:36 am

1 stop7h 56m

$498

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sun 4/5

8:29 am-2:57 pm

2 stops9h 28m

San Diego

Fri 4/10

10:30 pm-10:07 am

1 stop8h 37m

$511

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Tue 4/14

2:41 pm-8:46 pm

1 stop9h 05m

San Diego

Fri 4/17

11:00 am-12:42 am

2 stops10h 42m

$602

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Wed 4/15

5:52 pm-10:59 pm

1 stop8h 07m

San Diego

Sun 4/19

9:45 pm-9:44 am

1 stop8h 59m

$608
Cheapest one-way

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Fri 5/1

3:37 pm-8:50 pm

1 stop8h 13m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Harrisburg 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 Harrisburg to San Diego in March.
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 Harrisburg-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-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 Harrisburg-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 Harrisburg to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Harrisburg 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 Harrisburg to San Diego

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

Use this chart to determine the optimal time to book a round-trip flight from Harrisburg to San Diego. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Harrisburg to San Diego, you should look to book at least 69 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 Harrisburg to San Diego?

Currently, November is the cheapest month in which you can book a flight from Harrisburg to San Diego (average of $77). Flying from Harrisburg to San Diego in July is currently the most expensive (average of $250). 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 March 17, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Harrisburg to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,286 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
8,286 reviews
Delta
7.9
Good
8,286 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
9,435 reviews
Delta
7.9
Good
8,286 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
7.1
Good
11,468 reviews
Delta
7.9
Good
8,286 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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 Harrisburg 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 Harrisburg to San Diego?

    United Airlines and Alaska Airlines can get you from Harrisburg to San Diego in just under 8h 52m. Your travel time can differ by up to 3h 26m. Harrisburg and San Diego are separated by a distance of 2283 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Delta is currently your cheapest option to San Diego, with prices starting at $306. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $306 and $308, respectively. Delta is currently priced 26% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $207 on American Airlines. Other airlines that offer cheap prices include Delta from $218 and United Airlines from $218 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harrisburg 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 Harrisburg to San Diego?

    Currently, November is the cheapest month in which you can book a flight from Harrisburg to San Diego (average of $77). Flying from Harrisburg to San Diego in July is currently the most expensive (average of $250). 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

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Alternative routes for Harrisburg to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Harrisburg to San Diego

Discover the top 3 airlines that operate flights from Harrisburg 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$418FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$416FlexibilityNo cancel feeOn-time71%

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