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$158+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SAN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Harrisburg to San Diego are usually found in May or July, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 junio 12, 2025.

Round-trip from

$308
(American Airlines)

One-way from

$221
(Mytrip)

Popular in

September

Cheapest in

May

Average price

$484
From Harrisburg to San Diego
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One-way flight from Harrisburg to San Diego
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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
dom. 8/245:00 amMDT - SAN
1 stop7h 44mAmerican Airlines
sáb. 8/306:20 amSAN - MDT
1 stop8h 10mAmerican Airlines
Deal found 6/11$308
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 11/86:10 amMDT - SAN
1 stop7h 44mDelta
sáb. 11/158:50 amSAN - MDT
2 stops10h 55mDelta
Deal found 6/10$314
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/39:19 pmMDT - SAN
3 stops39h 36mMultiple Airlines
mié. 8/63:57 pmSAN - MDT
2 stops23h 13mMultiple Airlines
Deal found 6/11$350
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/810:35 amMDT - SAN
1 stop7h 19mUnited Airlines
mar. 8/126:45 amSAN - MDT
2 stops11h 26mUnited Airlines
Deal found 6/11$408
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:59 pmMDT - SAN
2 stops12h 48mAlaska Airlines
mar. 11/1111:00 amSAN - MDT
3 stops21h 25mAlaska Airlines
Deal found 6/9$448

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 junio 12, 2025.
Use the filters below to find and compare flights from Harrisburg to San Diego that are best for you.

Fly from

Harrisburg

Fly to

San Diego

Route

Depart

Return

Price

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

dom. 8/24

5:00 am-9:44 am

1 stop7h 44m

San Diego

sáb. 8/30

6:20 am-5:30 pm

1 stop8h 10m

$308

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

sáb. 11/8

6:10 am-10:54 am

1 stop7h 44m

San Diego

sáb. 11/15

8:50 am-10:45 pm

2 stops10h 55m

$314

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

dom. 8/3

9:19 pm-9:55 am

3 stops39h 36m

San Diego

mié. 8/6

3:57 pm-6:10 pm

2 stops23h 13m

$350

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

vie. 8/8

10:35 am-2:54 pm

1 stop7h 19m

San Diego

mar. 8/12

6:45 am-9:11 pm

2 stops11h 26m

$408

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

mié. 11/5

12:59 pm-10:47 pm

2 stops12h 48m

San Diego

mar. 11/11

11:00 am-11:25 am

3 stops21h 25m

$448

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

sáb. 7/12

11:23 am-11:02 pm

2 stops14h 39m

San Diego

sáb. 7/19

5:53 pm-10:08 am

2 stops13h 15m

$449

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

vie. 7/4

8:51 pm-11:29 pm

2 stops29h 38m

$158

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

mar. 9/9

12:33 pm-10:51 pm

2 stops13h 18m

$222

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

vie. 9/5

5:48 pm-10:02 pm

1 stop7h 14m

$295

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

mié. 6/18

5:36 am-11:11 am

1 stop8h 35m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
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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 June 9, 2025.

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, August is the cheapest month in which you can book a flight from Harrisburg to San Diego (average of $286). Flying from Harrisburg to San Diego in March is currently the most expensive (average of $366). 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.

What is the cheapest time of day to fly from MDT to SAN?

Find hourly flight availability from Harrisburg to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Harrisburg to San Diego by exploring options for tickets at noon.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Harrisburg to San Diego to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Flying on American Airlines is currently your cheapest option to San Diego, with prices starting at $308. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $314 and $408, respectively. American Airlines is currently priced 33% 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 $222 on Delta. Other airlines that offer cheap prices include United Airlines from $295 and American Airlines from $381 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 $286). Flying from Harrisburg to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$471FlexibilityNo cancel feeOn-time69%
DeltaCheapest$308Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$464FlexibilityNo cancel feeOn-time71%

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