How long is the flight from San Diego to Harlingen, Texas?

Airlines like Southwest, American Airlines, and United Airlines fly from San Diego to Harlingen, Texas in about 5h 50m. The time it takes to get you to your destination can typically vary by up to 19m. The distance between San Diego and Harlingen, Texas is about 1255 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from San Diego to Harlingen, Texas round-trip?

According to our current data, Southwest ($240), and American Airlines ($262) offers the cheapest pricing from San Diego to Harlingen, Texas. These flights start at 41% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Most accurate provider : When it comes to deals on San Diego-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Harlingen, Texas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Harlingen, Texas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Diego-Harlingen, Texas 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 San Diego-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from San Diego to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$209+ Flights from San Diego to Harlingen, TX

Q: How much does it cost to fly round-trip from San Diego to Harlingen, Texas?

Airfare is below average for this route at the moment. San Diego to Harlingen, Texas flights typically cost between $441 and $636 in January. The cheapest round-trip price found within the last 3 days was $217 on Southwest (Jan 12-Jan 15).

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Cheap flight deals from San Diego to Harlingen

Cheapest flights from San Diego to Harlingen
Explore the most affordable flight options available from San Diego to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

vie. 12/127:21 amSAN - HRL

1 stop8h 18mAmerican Airlines

dom. 12/1410:08 amHRL - SAN

1 stop6h 24mAmerican Airlines

Deal found 12/10

$469

mié. 12/318:45 pmSAN - HRL

2 stops12h 28mUnited Airlines

dom. 1/115:25 pmHRL - SAN

1 stop6h 31mUnited Airlines

Deal found 12/11

$483

mié. 12/316:15 amSAN - HRL

1 stop6h 03mAmerican Airlines

dom. 1/116:44 pmHRL - SAN

1 stop6h 06mAmerican Airlines

Deal found 12/11

$489

vie. 12/128:01 amSAN - HRL

1 stop5h 58mUnited Airlines

dom. 12/1412:16 pmHRL - SAN

2 stops10h 32mUnited Airlines

Deal found 12/10

$498

mar. 12/1612:40 pmSAN - HRL

1 stop7h 15mSouthwest

vie. 12/263:40 pmHRL - SAN

2 stops8h 25mSouthwest

Deal found 12/11

$643

mar. 12/2310:42 amSAN - HRL

1 stop6h 59mAmerican Airlines

lun. 1/52:48 pmHRL - SAN

1 stop7h 27mAmerican Airlines

Deal found 12/11

$758

sáb. 12/207:05 amSAN - HRL

2 stops13h 35mSouthwest

dom. 12/285:45 pmHRL - SAN

2 stops7h 40mSouthwest

Deal found 12/9

$789

mar. 12/167:21 amSAN - HRL

1 stop6h 09mAmerican Airlines

vie. 12/268:11 pmHRL - SAN

1 stop5h 48mAmerican Airlines

Deal found 12/11

$791

Best flights from San Diego to Harlingen
Discover carefully curated flight deals from San Diego to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

lun. 1/1210:10 amSAN - HRL

1 stop5h 50mSouthwest

jue. 1/155:40 amHRL - SAN

1 stop6h 00mSouthwest

Deal found 12/11

$217

mié. 2/113:12 pmSAN - HRL

1 stop6h 09mAmerican Airlines

dom. 2/158:07 pmHRL - SAN

1 stop5h 52mAmerican Airlines

Deal found 12/10

$253

mié. 1/281:51 pmSAN - HRL

1 stop6h 08mUnited Airlines

sáb. 1/315:25 pmHRL - SAN

1 stop6h 31mUnited Airlines

Deal found 12/9

$297

mié. 2/1111:08 amSAN - HRL

2 stops8h 51mUnited Airlines

dom. 2/1512:10 pmHRL - SAN

1 stop8h 23mUnited Airlines

Deal found 12/10

$302

Last-minute flights from San Diego to Harlingen
Discover last-minute flight deals from San Diego to Harlingen. Data last updated diciembre 12, 2025 and is based on user searches.

vie. 12/127:21 amSAN - HRL

1 stop8h 18mAmerican Airlines

dom. 12/1410:08 amHRL - SAN

1 stop6h 24mAmerican Airlines

Deal found 12/10

$469

vie. 12/128:01 amSAN - HRL

1 stop5h 58mUnited Airlines

dom. 12/1412:16 pmHRL - SAN

2 stops10h 32mUnited Airlines

Deal found 12/10

$498

mié. 12/318:45 pmSAN - HRL

2 stops12h 28mUnited Airlines

dom. 1/115:25 pmHRL - SAN

1 stop6h 31mUnited Airlines

Deal found 12/11

$483

mié. 12/316:15 amSAN - HRL

1 stop6h 03mAmerican Airlines

dom. 1/116:44 pmHRL - SAN

1 stop6h 06mAmerican Airlines

Deal found 12/11

$489

lun. 1/1210:10 amSAN - HRL

1 stop5h 50mSouthwest

jue. 1/155:40 amHRL - SAN

1 stop6h 00mSouthwest

Deal found 12/11

$217

lun. 1/126:15 amSAN - HRL

3 stops13h 44mUnited Airlines

jue. 1/1512:10 pmHRL - SAN

2 stops13h 32mUnited Airlines

Deal found 12/11

$417

mié. 1/281:51 pmSAN - HRL

1 stop6h 08mUnited Airlines

sáb. 1/315:25 pmHRL - SAN

1 stop6h 31mUnited Airlines

Deal found 12/9

$297

One-way flights from San Diego to Harlingen
Search for one-way flight options from San Diego to Harlingen. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

mar. 12/3010:25 amSAN - HRL

1 stop7h 11mUnited Airlines

Deal found 12/10

$209

mar. 12/301:10 pmSAN - HRL

2 stops8h 45mSouthwest

Deal found 12/10

$279

mar. 12/309:14 pmSAN - HRL

3 stops35h 39mMultiple Airlines

Deal found 12/10

$356

Find flight deals from San Diego to Harlingen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$217 (Southwest)
One-way from	$209 (United Airlines)
Popular in	October
Cheapest in	March
Average price	$521

Provider with most accurate pricing for San Diego-Harlingen Valley Intl flight deals.

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Provider most trusted by Cheapflights users for San Diego-Harlingen Valley Intl flights.

Search Deals

From San Diego to Harlingen Valley Intl

Search Deals

One-way flight from San Diego to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

lun. 1/12

10:10 am-6:00 pm

1 stop5h 50m

Harlingen Valley Intl

jue. 1/15

5:40 am-9:40 am

1 stop6h 00m

$217

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

mié. 2/11

3:12 pm-11:21 pm

1 stop6h 09m

Harlingen Valley Intl

dom. 2/15

8:07 pm-11:59 pm

1 stop5h 52m

$253

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

mié. 1/28

1:51 pm-9:59 pm

1 stop6h 08m

Harlingen Valley Intl

sáb. 1/31

5:25 pm-9:56 pm

1 stop6h 31m

$297

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

mié. 2/11

11:08 am-9:59 pm

2 stops8h 51m

Harlingen Valley Intl

dom. 2/15

12:10 pm-6:33 pm

1 stop8h 23m

$302

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

mar. 12/30

1:10 pm-11:55 pm

2 stops8h 45m

$279

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

mar. 12/30

9:14 pm-10:53 am

3 stops35h 39m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from San Diego to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Harlingen in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust 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 San Diego-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Harlingen, Texas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Harlingen, Texas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Diego-Harlingen, Texas 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 San Diego-Harlingen, Texas 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 San Diego to Harlingen

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

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

Currently, April is the cheapest month in which you can book a flight from San Diego to Harlingen, Texas (average of $83). Flying from San Diego to Harlingen, Texas in June is currently the most expensive (average of $327). 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 SAN to HRL?

It’s optimal to fly from San Diego to Harlingen, Texas in the evening. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from San Diego to Harlingen, Texas?

Reviews of airlines servicing Harlingen

Read reviews from past customers who have flown Southwest and American Airlines from San Diego to Harlingen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

How long is the flight from San Diego to Harlingen, Texas?
Airlines like Southwest, American Airlines, and United Airlines fly from San Diego to Harlingen, Texas in about 5h 50m. The time it takes to get you to your destination can typically vary by up to 19m. The distance between San Diego and Harlingen, Texas is about 1255 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from San Diego to Harlingen, Texas round-trip?
According to our current data, Southwest ($240), and American Airlines ($262) offers the cheapest pricing from San Diego to Harlingen, Texas. These flights start at 41% lower than the current average price 3 months from now.
Can I find deals for flights from San Diego to Harlingen that include hotel bookings?
Yes. In addition to deals on San Diego to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Harlingen.
Can I find deals for business class flights from San Diego to Harlingen?
Yes. Cheapflights offers flight deals from San Diego to Harlingen 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 Harlingen, Texas?
Currently, April is the cheapest month in which you can book a flight from San Diego to Harlingen, Texas (average of $83). Flying from San Diego to Harlingen, Texas in June is currently the most expensive (average of $327). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from San Diego to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$240	Average$452	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$262	Average$355	FlexibilityNo cancel fee	On-time71%

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$209+ Cheap flights from San Diego to Harlingen, TX (SAN - HRL)

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Diego to Harlingen

Cheapest flights from San Diego to HarlingenExplore the most affordable flight options available from San Diego to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Explore the most affordable flight options available from San Diego to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Find flight deals from San Diego to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Harlingen that are best for you.

Compare providers for flights from San Diego to Harlingen

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 San Diego to Harlingen in December.

Best time to book a flight from San Diego to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Harlingen

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

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

How much does it cost to fly round-trip from San Diego to Harlingen, Texas?

Reviews of airlines servicing Harlingen

Read reviews from past customers who have flown Southwest and American Airlines from San Diego to Harlingen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from San Diego to Harlingen, Texas round-trip?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Diego to Harlingen

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Cheapest flights from San Diego to Harlingen
Explore the most affordable flight options available from San Diego to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.