Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Harlingen, Texas to San Diego from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to San Diego departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Harlingen, Texas to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:25 pm - 9:25 pmHRL-SAN
6h 00m1 stop
United Airlines Logo
12:10 pm - 7:59 pmSAN-HRL
5h 49m1 stop
$297United Airlines
Find Deal
Tue, Apr 7 - Wed, Apr 8
United Airlines Logo
12:10 pm - 5:53 pmHRL-SAN
7h 43m1 stop
United Airlines Logo
6:25 am - 7:59 pmSAN-HRL
11h 34m2 stops
$302United Airlines
Find Deal
Tue, Apr 7 - Wed, Apr 8
United Airlines Logo
9:20 am - 7:57 pmHRL-SAN
12h 37m2 stops
United Airlines Logo
6:25 am - 7:59 pmSAN-HRL
11h 34m2 stops
$307United Airlines
Find Deal
Tue, Apr 7 - Wed, Apr 8
United Airlines Logo
5:20 pm - 9:56 pmHRL-SAN
6h 36m1 stop
United Airlines Logo
8:00 am - 4:06 pmSAN-HRL
6h 06m1 stop
$674United Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2
Multiple Airlines Logo
12:37 pm - 11:59 pmHRL-SAN
37h 22m3 stops
Multiple Airlines Logo
9:15 pm - 10:59 amSAN-HRL
35h 44m2 stops
$772Multiple Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2
Multiple Airlines Logo
12:37 pm - 12:38 pmHRL-SAN
26h 01m2 stops
Multiple Airlines Logo
9:15 pm - 10:59 amSAN-HRL
35h 44m2 stops
$775Multiple Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2
United Airlines Logo
5:20 pm - 9:56 pmHRL-SAN
6h 36m1 stop
United Airlines Logo
6:55 pm - 11:13 amSAN-HRL
14h 18m2 stops
$792United Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2

United Airlines flights from Harlingen, Texas to San Diego

Our best United Airlines deals on Harlingen, Texas to San Diego flight tickets
United Airlines
Apr 7
HRL5:25 pmHarlingen Valley Intl
6h 00m
1 stop
SAN9:25 pmSan Diego
Apr 8
SAN12:10 pmSan Diego
5h 49m
1 stop
HRL7:59 pmHarlingen Valley Intl
$297
Find similar
United Airlines
Apr 7
HRL12:10 pmHarlingen Valley Intl
7h 43m
1 stop
SAN5:53 pmSan Diego
Apr 8
SAN6:25 amSan Diego
11h 34m
2 stops
HRL7:59 pmHarlingen Valley Intl
$302
Find similar
United Airlines
Apr 7
HRL9:20 amHarlingen Valley Intl
12h 37m
2 stops
SAN7:57 pmSan Diego
Apr 8
SAN6:25 amSan Diego
11h 34m
2 stops
HRL7:59 pmHarlingen Valley Intl
$307
Find similar

American Airlines flights from Harlingen, Texas to San Diego

Our best American Airlines deals on Harlingen, Texas to San Diego flight tickets
American Airlines
Nov 19
HRL10:21 amHarlingen Valley Intl
6h 46m
1 stop
SAN3:07 pmSan Diego
Nov 21
SAN12:43 pmSan Diego
8h 14m
1 stop
HRL10:57 pmHarlingen Valley Intl
$473
Find similar
American Airlines
Nov 19
HRL10:21 amHarlingen Valley Intl
10h 03m
2 stops
SAN6:24 pmSan Diego
Nov 21
SAN12:43 pmSan Diego
8h 14m
1 stop
HRL10:57 pmHarlingen Valley Intl
$478
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas 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, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Tue 4/7

5:25 pm-9:25 pm

1 stop6h 00m

San Diego

Wed 4/8

12:10 pm-7:59 pm

1 stop5h 49m

$297

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Tue 4/7

12:10 pm-5:53 pm

1 stop7h 43m

San Diego

Wed 4/8

6:25 am-7:59 pm

2 stops11h 34m

$302

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Tue 4/7

9:20 am-7:57 pm

2 stops12h 37m

San Diego

Wed 4/8

6:25 am-7:59 pm

2 stops11h 34m

$307

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Fri 12/26

5:20 pm-9:56 pm

1 stop6h 36m

San Diego

Fri 1/2

8:00 am-4:06 pm

1 stop6h 06m

$674

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Fri 12/26

12:37 pm-11:59 pm

3 stops37h 22m

San Diego

Fri 1/2

9:15 pm-10:59 am

2 stops35h 44m

$772

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Fri 12/26

12:37 pm-12:38 pm

2 stops26h 01m

San Diego

Fri 1/2

9:15 pm-10:59 am

2 stops35h 44m

$775

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Fri 12/26

5:20 pm-9:56 pm

1 stop6h 36m

San Diego

Fri 1/2

6:55 pm-11:13 am

2 stops14h 18m

$792

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Wed 11/19

5:40 am-9:56 am

1 stop6h 16m

$205

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Wed 11/19

6:40 am-1:20 pm

2 stops8h 40m

$210

HarlingenSan Diego

HRL - SAN

HRLSAN

Harlingen Valley Intl

Fri 11/28

6:25 pm-10:25 pm

1 stop6h 00m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

How to get the cheapest flight ticket from Harlingen, Texas to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Harlingen, Texas and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Harlingen, Texas during the month October is also very affordable. Most momondo users find prices during this month for around $258.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Harlingen, Texas to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $287. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $463. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $372. Flights in the morning are often more expensive with an average ticket price of $380.

When to book flights from Harlingen, Texas to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen, Texas to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen, Texas to San Diego (HRL to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to San Diego

Direct flights

None
There are no direct flights from Harlingen, Texas to San Diego. There are no popular flight routes from Harlingen, Texas to San Diego.
Search flight deals

  • How far is Harlingen Valley Intl to San Diego by plane?

    The straight-line distance from Harlingen Valley Intl to San Diego is 1251.3 mi. Typically, this will take 6h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to San Diego Airport?

    Prices for flights from Harlingen Valley Intl Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Harlingen Valley Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Harlingen Valley Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harlingen Valley Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Harlingen, Texas to San Diego?

Best airlines flying from Harlingen, Texas to San Diego

Compare and see reviews for airlines that fly from Harlingen, Texas to San Diego with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $179Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
American AirlinesPriceFrom $277Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

Traveling to a place near San Diego?

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

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to San Diego?

Finding the right flight to San Diego from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Harlingen to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Harlingen to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Harlingen to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Harlingen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Harlingen to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States