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$187+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SAN
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 May 4, 2026.

This American Airlines deal was found by Cheapflights users on 4/30. 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 6/22:20 pm
MDT
-
SAN
1 stop9h 33m
American Airlines
Sat 6/69:25 pm
SAN
-
MDT
1 stop9h 03m
American Airlines
Deal found 4/30$367
This American Airlines deal was found by Cheapflights users on 4/29. 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 8/2612:11 pm
MDT
-
SAN
1 stop10h 07m
American Airlines
Thu 9/311:10 am
SAN
-
MDT
1 stop9h 13m
American Airlines
Deal found 4/29$368
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/45:53 pm
MDT
-
SAN
1 stop7h 17m
United Airlines
Sun 9/69:45 pm
SAN
-
MDT
1 stop8h 51m
United Airlines
Deal found 4/30$369
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/196:40 am
MDT
-
SAN
1 stop7h 37m
American Airlines
Tue 5/269:55 pm
SAN
-
MDT
1 stop9h 13m
American Airlines
Deal found 4/30$372
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/203:01 pm
MDT
-
SAN
1 stop10h 50m
American Airlines
Mon 5/259:25 pm
SAN
-
MDT
1 stop9h 03m
American Airlines
Deal found 4/30$373
This American Airlines deal was found by Cheapflights users on 4/30. 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 26m
American Airlines
Wed 7/2212:20 pm
SAN
-
MDT
1 stop7h 39m
American Airlines
Deal found 4/30$387
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Tue 5/267:17 pm
MDT
-
SAN
1 stop7h 22m
American Airlines
Mon 6/19:25 pm
SAN
-
MDT
1 stop9h 03m
American Airlines
Deal found 5/3$388
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/227:17 pm
MDT
-
SAN
1 stop7h 22m
American Airlines
Mon 5/259:25 pm
SAN
-
MDT
1 stop9h 03m
American Airlines
Deal found 4/30$389
This Delta deal was found by Cheapflights users on 4/30. 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 7/275:38 pm
MDT
-
SAN
1 stop7h 23m
Delta
Sat 8/110:30 pm
SAN
-
MDT
1 stop9h 40m
Delta
Deal found 4/30$393
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/225:00 pm
MDT
-
SAN
1 stop9h 26m
American Airlines
Mon 7/2710:45 pm
SAN
-
MDT
1 stop9h 21m
American Airlines
Deal found 4/30$408
This American Airlines deal was found by Cheapflights users on 5/3. 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 7/25:00 pm
MDT
-
SAN
1 stop9h 26m
American Airlines
Mon 7/610:45 pm
SAN
-
MDT
1 stop9h 26m
American Airlines
Deal found 5/3$409

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$367
(American Airlines)

One-way from

$187
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$382
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. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 4, 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

Fri 9/4

5:53 pm-10:10 pm

1 stop7h 17m

San Diego

Sun 9/6

9:45 pm-9:36 am

1 stop8h 51m

$369
Quickest round-trip

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sat 8/29

6:15 am-11:17 am

1 stop8h 02m

San Diego

Wed 9/2

6:40 am-4:51 pm

1 stop7h 11m

$477

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Wed 7/15

5:00 pm-10:33 pm

1 stop8h 33m

San Diego

Wed 7/22

2:03 pm-11:06 am

2 stops18h 03m

$483

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Tue 5/19

5:54 pm-10:39 pm

1 stop7h 45m

San Diego

Tue 5/26

10:40 pm-1:50 pm

2 stops12h 10m

$487

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Tue 6/2

2:20 pm-9:58 am

2 stops22h 38m

San Diego

Sat 6/6

5:17 pm-10:08 am

2 stops13h 51m

$488

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Thu 8/27

6:30 am-5:26 pm

2 stops13h 56m

San Diego

Sun 8/30

5:00 pm-9:36 am

2 stops13h 36m

$489

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sun 8/30

6:15 am-11:17 am

1 stop8h 02m

San Diego

Fri 9/4

9:45 pm-9:36 am

1 stop8h 51m

$497

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Tue 5/19

6:30 am-5:24 pm

2 stops13h 54m

San Diego

Sat 5/23

10:55 am-12:27 am

2 stops10h 32m

$533

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Tue 7/14

5:55 pm-10:34 pm

1 stop7h 39m

San Diego

Thu 7/16

8:32 pm-9:40 am

2 stops10h 08m

$560

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sat 5/16

4:36 pm-10:36 pm

1 stop9h 00m

San Diego

Wed 5/20

12:34 pm-11:52 pm

1 stop8h 18m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 20 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 May.
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?

To ensure you get the cheapest price possible for a flight from Harrisburg to San Diego, you should look to book at least 68 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, August is the cheapest month in which you can book a flight from Harrisburg to San Diego (average of $380). Flying from Harrisburg to San Diego in March is currently the most expensive (average of $559). 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.

How much does it cost to fly round-trip from Harrisburg to San Diego?

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 May 4, 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
8,460 reviews

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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
8,460 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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
9,680 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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
7.1
Good
11,673 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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 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?

    Delta, Alaska Airlines, and United Airlines can get you from Harrisburg to San Diego in just under 8h 02m. Your travel time can differ by up to 51m. 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 United Airlines 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 American Airlines and Delta, with the lowest prices starting at $308 and $331, respectively. United Airlines is currently priced 27% 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 $166 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, August is the cheapest month in which you can book a flight from Harrisburg to San Diego (average of $380). Flying from Harrisburg to San Diego in March is currently the most expensive (average of $559). 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

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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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$306Average$423FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$408FlexibilityNo cancel feeOn-time71%
DeltaCheapest$331Average$383FlexibilityNo cancel feeOn-timeN/A

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