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$119+ Cheap flights from Harlingen, TX to San Diego (HRL - 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SAN
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap flight deals from Harlingen to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) 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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Southwest)

One-way from

$119
(Southwest)

Popular in

February

Cheapest in

January

Average price

$394
Provider with most accurate pricing for Harlingen Valley Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-San Diego flights.
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From Harlingen Valley Intl to San Diego
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One-way flight from Harlingen Valley Intl to San Diego
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Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Harlingen to San Diego

Cheapest flights from Harlingen to San Diego
Explore the most affordable flight options available from Harlingen to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/292:55 pmHRL - SAN
1 stop6h 20mSouthwest
mié. 4/306:35 amSAN - HRL
1 stop8h 05mSouthwest
Deal found 3/26$209
This American Airlines deal was found by Cheapflights users on 3/27. 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.
mié. 4/910:21 amHRL - SAN
1 stop7h 37mAmerican Airlines
lun. 4/144:48 pmSAN - HRL
1 stop5h 11mAmerican Airlines
Deal found 3/27$273
This United Airlines deal was found by Cheapflights users on 3/26. 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.
jue. 4/1012:10 pmHRL - SAN
1 stop6h 17mUnited Airlines
lun. 4/146:15 amSAN - HRL
2 stops11h 29mUnited Airlines
Deal found 3/26$278
This Mytrip deal was found by Cheapflights users on 3/26. 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.
vie. 3/2810:53 amHRL - SAN
3 stops24h 48mMultiple Airlines
lun. 3/316:15 amSAN - HRL
3 stops28h 32mMultiple Airlines
Deal found 3/26$1,179

Cheapflights Fare Finder

Customize your flight search to find flights from Harlingen 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 marzo 28, 2025.
Use the filters below to find and compare flights from Harlingen to San Diego that are best for you.

Fly from

Harlingen

Fly to

San Diego

Route

Depart

Return

Price

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

mar. 4/29

2:55 pm-7:15 pm

1 stop6h 20m

San Diego

mié. 4/30

6:35 am-4:40 pm

1 stop8h 05m

$209

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

mié. 4/9

10:21 am-3:58 pm

1 stop7h 37m

San Diego

lun. 4/14

4:48 pm-11:59 pm

1 stop5h 11m

$273

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

jue. 4/10

12:10 pm-4:27 pm

1 stop6h 17m

San Diego

lun. 4/14

6:15 am-7:44 pm

2 stops11h 29m

$278

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

lun. 4/28

5:35 am-9:20 am

1 stop5h 45m

$119

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

lun. 4/14

2:41 pm-11:23 pm

1 stop10h 42m

$137

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

jue. 4/3

4:32 pm-9:07 pm

1 stop6h 35m

$190

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

jue. 4/3

5:15 am-11:07 am

1 stop7h 52m

$230

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

dom. 4/27

10:54 am-10:25 am

2 stops25h 31m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Harlingen 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 Harlingen to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Harlingen, Texas-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-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 Harlingen, Texas-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 Harlingen to San Diego

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

What is the cheapest month to book a flight from Harlingen, Texas to San Diego?

Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to San Diego (average of $286). Flying from Harlingen, Texas 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 HRL to SAN?

Find hourly flight availability from Harlingen 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 marzo 28, 2025.

It’s typically best to fly out from Harlingen, Texas to San Diego at noon. Doing so could potentially save you 3% on the flight price compared to flying in the morning, which is usually more expensive.

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 marzo 28, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Harlingen to San Diego have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Harlingen 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 Harlingen, Texas to San Diego round-trip?

    Cheapflights users have booked flights from Harlingen, Texas to San Diego round-trip from $209. Other airlines that can offer you cheap pricing are American Airlines, from $273, and United Airlines, from $278. You may be able to fly from Harlingen, Texas to San Diego for 42% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Harlingen, Texas to San Diego one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $119. Delta flights start at $137 while deals on American Airlines start at $190 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harlingen 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 Harlingen, Texas to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to San Diego (average of $286). Flying from Harlingen, Texas 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 Harlingen?

Book flights to Harlingen if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Top 3 airlines flying from Harlingen to San Diego

Discover the top 3 airlines that operate flights from Harlingen 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$164Average$304FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$179Average$383FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$252Average$378FlexibilityNo cancel feeOn-time71%
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