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$194+ Cheap flights from San Diego to Harrisburg (SAN - MDT)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MDT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Harrisburg are usually found in September or February, booked 52 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from San Diego to Harrisburg

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Harrisburg (MDT). 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 15, 2025.

Round-trip from

$309
(American Airlines)

One-way from

$194
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$368
From San Diego to Harrisburg
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One-way flight from San Diego to Harrisburg
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Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 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 San Diego to Harrisburg

Cheapest flights from San Diego to Harrisburg
Explore the most affordable flight options available from San Diego to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/156:20 amSAN - MDT
1 stop7h 53mAmerican Airlines
Wed 10/226:51 amMDT - SAN
1 stop8h 13mAmerican Airlines
Deal found 9/15$309
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 12/108:00 pmSAN - MDT
2 stops10h 30mUnited Airlines
Mon 12/1510:40 amMDT - SAN
1 stop7h 48mUnited Airlines
Deal found 9/15$314
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:23 amSAN - MDT
1 stop8h 38mDelta
Mon 10/66:25 pmMDT - SAN
1 stop7h 49mDelta
Deal found 9/15$339
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/18:39 pmSAN - MDT
2 stops9h 50mUnited Airlines
Sat 10/255:48 pmMDT - SAN
1 stop7h 26mUnited Airlines
Deal found 9/14$344
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:15 amSAN - MDT
1 stop6h 56mDelta
Tue 9/3011:43 amMDT - SAN
1 stop9h 27mDelta
Deal found 9/15$399
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/247:21 pmSAN - MDT
2 stops11h 08mUnited Airlines
Wed 10/110:25 amMDT - SAN
1 stop7h 36mUnited Airlines
Deal found 9/15$404
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:30 pmSAN - MDT
1 stop9h 28mDelta
Tue 9/306:10 amMDT - SAN
1 stop6h 48mDelta
Deal found 9/15$414
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/156:30 pmSAN - MDT
2 stops11h 59mUnited Airlines
Wed 10/226:15 amMDT - SAN
2 stops12h 35mUnited Airlines
Deal found 9/15$419
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 9/2410:30 pmSAN - MDT
1 stop8h 44mUnited Airlines
Sat 9/276:15 amMDT - SAN
1 stop8h 09mUnited Airlines
Deal found 9/14$429
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/308:39 pmSAN - MDT
2 stops9h 50mUnited Airlines
Mon 10/62:33 pmMDT - SAN
1 stop8h 46mUnited Airlines
Deal found 9/15$432

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Harrisburg 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 15, 2025.
Use the filters below to find and compare flights from San Diego to Harrisburg that are best for you.

Fly from

San Diego

Fly to

Harrisburg

Route

Depart

Return

Price

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Wed 10/15

6:20 am-5:13 pm

1 stop7h 53m

Harrisburg

Wed 10/22

6:51 am-12:04 pm

1 stop8h 13m

$309

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Wed 12/10

8:00 pm-9:30 am

2 stops10h 30m

Harrisburg

Mon 12/15

10:40 am-3:28 pm

1 stop7h 48m

$314

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Tue 9/30

10:55 am-11:46 pm

1 stop9h 51m

Harrisburg

Mon 10/6

6:25 pm-11:14 pm

1 stop7h 49m

$339

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Wed 10/1

10:45 pm-11:35 am

1 stop9h 50m

Harrisburg

Sat 10/25

8:20 am-1:39 pm

1 stop8h 19m

$339

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Wed 10/1

8:39 pm-9:29 am

2 stops9h 50m

Harrisburg

Sat 10/25

5:48 pm-10:14 pm

1 stop7h 26m

$344

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Sat 9/27

11:23 am-11:21 pm

1 stop8h 58m

Harrisburg

Thu 10/2

6:23 pm-11:24 pm

1 stop8h 01m

$399

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Sat 9/27

11:23 am-11:21 pm

1 stop8h 58m

Harrisburg

Fri 10/3

6:23 pm-11:24 pm

1 stop8h 01m

$399

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Sat 2/21

10:00 am-10:20 pm

1 stop9h 20m

Harrisburg

Tue 2/24

2:04 pm-9:43 pm

1 stop10h 39m

$409

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Fri 9/26

10:45 pm-11:55 am

1 stop10h 10m

Harrisburg

Mon 9/29

4:36 pm-9:43 pm

1 stop8h 07m

$414

San DiegoHarrisburg

SAN - MDT

SANMDT

San Diego

Sat 2/21

6:30 pm-9:37 am

2 stops12h 07m

Harrisburg

Tue 2/24

2:07 pm-11:41 pm

2 stops12h 34m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
1
2

Best time to book a flight from San Diego to Harrisburg

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Harrisburg. Price data was last updated on September 12, 2025.

The best time to book flights from San Diego to Harrisburg is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Diego to Harrisburg?

Currently, August is the cheapest month in which you can book a flight from San Diego to Harrisburg (average of $347). Flying from San Diego to Harrisburg in November is currently the most expensive (average of $408). 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 Harrisburg

Get insights into the airlines that provide service to Harrisburg. 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 Harrisburg. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from San Diego to Harrisburg, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Diego to Harrisburg. 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 San Diego to Harrisburg?

    Departing from San Diego to Harrisburg will take you 7h 53m. Airlines will cover 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 San Diego to Harrisburg round-trip?

    Flying on American Airlines is currently your cheapest option to Harrisburg, with prices starting at $308. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $308 and $308, respectively. American Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Diego to Harrisburg (average of $347). Flying from San Diego to Harrisburg in November is currently the most expensive (average of $408). 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 Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Carlisle
Mechanicsburg
Hershey
Camp Hill

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Top 3 airlines flying from San Diego to Harrisburg

Discover the top 3 airlines that operate flights from San Diego to Harrisburg. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$521FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$451FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$513FlexibilityNo cancel feeOn-timeN/A

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