$304+ Cheap flights from Harlingen, TX to San Diego (HRL - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SAN
May 4 — May 111
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 April 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $304 (American Airlines) |
Popular in | February |
Cheapest in | January |
Average price | $378 |
Find flight deals from Harlingen to San Diego
Cheapest flights from Harlingen to San DiegoExplore 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 April 29, 2025.
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 April 29, 2025.
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.
Tue 5/2710:15 amHRL - SAN
1 stop5h 47mAmerican Airlines
Tue 6/310:00 amSAN - HRL
2 stops7h 26mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$304
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/31:59 pmHRL - SAN
1 stop5h 40mUnited Airlines
Sun 7/66:15 amSAN - HRL
1 stop7h 45mUnited Airlines
Deal found 4/29![United Airlines logo]()
$318
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/35:30 pmHRL - SAN
2 stops7h 55mSouthwest
Sun 7/69:15 amSAN - HRL
2 stops11h 15mSouthwest
Deal found 4/29![Southwest logo]()
$463
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 April 29, 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
Tue 5/27
10:15 am-2:02 pm
1 stop5h 47m
San Diego
Tue 6/3
10:00 am-7:26 pm
2 stops7h 26m
$304
HarlingenSan Diego
HRL - SAN
HRLSAN
Harlingen Valley Intl
Thu 7/3
1:59 pm-5:39 pm
1 stop5h 40m
San Diego
Sun 7/6
6:15 am-4:00 pm
1 stop7h 45m
$318
HarlingenSan Diego
HRL - SAN
HRLSAN
Harlingen Valley Intl
Thu 7/3
5:30 pm-11:25 pm
2 stops7h 55m
San Diego
Sun 7/6
9:15 am-10:30 pm
2 stops11h 15m
$463
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 eDreams the most. eDreams 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 April 29, 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 April 29, 2025.
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentMerlyn,Feb 2025
LAX - SMF
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentMerlyn,Feb 2025
LAX - SMF
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentMerlyn,Feb 2025
LAX - SMF
Crew
8.6
Boarding
8.2
Comfort
8.0
Entertainment
7.6
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentMerlyn,Feb 2025
LAX - SMF
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.
Traveling to a place near Harlingen?
Book flights to Harlingen if you plan to visit one of these locationsEl Cajon
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Alternative routes for Harlingen to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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 April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$164 | Average$298 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$378 | FlexibilityNo cancel fee | On-time71% |