SAN - HRL

$88 Find Cheap Flights from San Diego to Harlingen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Harlingen departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Harlingen, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Harlingen, as well as popular online travel agencies
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Flight Deals

Cheap Flights from San Diego to Harlingen (SAN-HRL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Harlingen

Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
7:21 am - 3:32 pmSAN-HRL
6h 11m1 stop
American Airlines Logo
5:40 am - 9:55 amHRL-SAN
6h 15m1 stop
$313American Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
6:15 am - 3:32 pmSAN-HRL
7h 17m1 stop
American Airlines Logo
4:02 pm - 10:17 pmHRL-SAN
8h 15m1 stop
$318American Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
6:45 am - 7:39 pmSAN-HRL
10h 54m2 stops
United Airlines Logo
12:10 pm - 6:24 pmHRL-SAN
8h 14m1 stop
$362United Airlines
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Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
6:30 am - 3:32 pmSAN-HRL
7h 02m2 stops
American Airlines Logo
8:04 pm - 11:56 pmHRL-SAN
5h 52m1 stop
$404American Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
6:45 am - 7:39 pmSAN-HRL
10h 54m2 stops
United Airlines Logo
5:00 am - 5:29 pmHRL-SAN
14h 29m2 stops
$415United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
6:45 am - 7:39 pmSAN-HRL
10h 54m2 stops
United Airlines Logo
5:00 am - 5:29 pmHRL-SAN
14h 29m2 stops
$490United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
6:45 am - 7:39 pmSAN-HRL
10h 54m2 stops
United Airlines Logo
5:00 am - 5:29 pmHRL-SAN
14h 29m2 stops
$491United Airlines
Find Deal
Sun, Nov 30 - Thu, Dec 4
Southwest Logo
6:35 am - 7:00 pmSAN-HRL
10h 25m1 stop
Southwest Logo
5:40 pm - 9:05 pmHRL-SAN
5h 25m1 stop
$507Southwest
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Sun, Nov 30 - Thu, Dec 4
Southwest Logo
6:35 am - 7:00 pmSAN-HRL
10h 25m1 stop
Southwest Logo
6:40 am - 1:20 pmHRL-SAN
8h 40m2 stops
$562Southwest
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Sun, Nov 30 - Thu, Dec 4
Southwest Logo
7:15 am - 5:45 pmSAN-HRL
8h 30m2 stops
Southwest Logo
6:40 am - 1:20 pmHRL-SAN
8h 40m2 stops
$702Southwest
Find Deal

Everything you should know

Top airlines
American Airlines
Cheapest • from $313 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Cheapest round-trip
$313
American Airlines
Wed 11/12Sun 11/16
SAN - HRL • 1 stop
Cheapest one-way
$88
Typical prices: $180-225
Southwest
Wed 10/22
SAN - HRL • 1 stop
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Booking Insights

KAYAK's insights & trends for San Diego to Harlingen flights

Get data-powered insights and trends into flights from San Diego to Harlingen to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Diego to Harlingen?

The average price of all round-trip flights from San Diego to Harlingen clicked on KAYAK for each day over the last 12 months.

When flying from San Diego to Harlingen, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to San Diego, you’ll find the best rates on Wednesdays and the most expensive ones on Sundays.

Good to know

Cheapest flight$88
Flight from San Diego to Harlingen

When to book flights from San Diego to Harlingen

Are your dates flexible? Find out the best times to travel from San Diego to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Diego to Harlingen

  • What is the cheapest flight from San Diego to Harlingen?

    In the last 3 days, the lowest price for a flight from San Diego to Harlingen was $88 for a one-way ticket and $313 for a round-trip.

  • Do I need a passport to fly between San Diego and Harlingen?

    A passport is not required to fly from San Diego to Harlingen.

  • Which airports will I be using when flying from San Diego to Harlingen?

    When flying out of San Diego you will be using San Diego. You will be landing at Harlingen, also known as Harlingen Valley Intl.

  • Which aircraft models fly most regularly from San Diego to Harlingen?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Diego to Harlingen?

    oneworld, and Star Alliance are the airline alliances operating flights between San Diego and Harlingen, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from San Diego to Harlingen, Southwest or American Airlines?

    The two airlines most popular with KAYAK users for flights from San Diego to Harlingen are Southwest and American Airlines. With an average price for the route of $477 and an overall rating of 8.0, Southwest is the most popular choice. American Airlines is also a great choice for the route, with an average price of $355 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from San Diego to Harlingen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Diego to Harlingen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Diego to Harlingen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from San Diego is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Diego to Harlingen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to San Diego with another airline. Booking your flights between San Diego and HRL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Diego to Harlingen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from San Diego to Harlingen

 
See real verified KAYAK customer reviews for airlines flying from San Diego to Harlingen. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Diego to Harlingen? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4248 reviews
8.1Boarding
7.5Entertainment
7.0Food
8.6Crew
8.0Comfort
Airline reviews

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

10.0 ExcellentRobert, Sep 2025SFO - LAS
Read more Southwest reviews

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

The weather could have been better. There was a 40 minute ATC delay in SFO because of marine fog and a micro cell storm delayed landing and take-off at Nashville. The gate was changed 5 minutes from boarding from gate B3 to gate C23 at Nashville airport.

The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

No trays in our seats, we sat in first row, purchased a business class fare. Had to hold our drinks and snack in our hands. No plugs for our cell phones. Had to pay for it a drink cocktail each. Seats so uncomfortable.

Flight wasn’t even full, but too many carry-ons caused us to run out of bin space. New bag fee has folks who would usually check their bags carrying on. Watching Southwest morph into Spirit/Frontier is so sad to watch

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

The movies using Southwest WiFi kept pausing and I had to restart multiple times.

First, my flight was a usual flight nothing exceptional or unexpected. Over all it was a normal, good flight! Second, your questionaire is wholly lacking in the proper options to which one can answer a question. Often on short flights, there is no food let alone entertainment so why isn't that reflected in your questionaire? A simple "not applicable" would cover that issue appropriately but no, your form arbitrarily enters an answer based on the initial assessment which normally isn't factual. Until you provide an accurate means of assessing flights, I'll no longer be completing of these unimpressive and misleading assessements. Thank you!

Easy to book and to get check in and get on and off.

There's nothing I liked about it. For first off I scheduled this trip two weeks in advance then they delayed my flight which messed up my whole trip. So I scheduled it for the following weekend thinking there won't be a delay and guess what as soon as I got to the airport we said in the airplane on the tarmac for an hour and a half. Not only was it delayed I missed my connecting flight meaning I had to stay the night at Dallas-Fort Worth airport sleeping on the floor. I will tell you this I will never fly American airlines ever again I have had nothing but horrible experience with them and I just throw money at them

Having to reschedule flights a day later, they loaded by luggage on the wrong plane from Little rock now I have to HOPE they deliver it to where im staying like they said would. International flight crew was very disgruntled and not very friendly.

The entertainment package was vast and the selections were very current. Keep updating it was great.

The seat was so hard my tailbone was aching The crew was kind of a b**** because I made a joke that I didn't care if they close the door I total c*** when she was trying to f****** act like she was mad at me because I said that The flight was bumpy. Sure you didnt have control over that.

Great flight. No issues at all. I still think boarding could be more efficient but otherwise, a good experience.

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

It was very difficult to stretch my knee out and I am very short. I also had a torn tendon in my knee which made it extra uncomfortable anyways. My husband is 6'2" and I can't imagine him flying in that plane.

Delayed flight, so I switched fights to SFO to Phoenix , Phoenix to DSM. Excellent service through American Airlines

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

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

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