What airlines fly to United States?

Allegiant Air, American Airlines and United Airlines are the top three most popular airlines that fly to United States from Harlingen according to our data. Allegiant Air is the first choice among our users, with 38% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 6 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Harlingen Valley Intl to United States?

Southwest, Delta, and United Airlines are the most popular carriers operating from Harlingen Valley Intl to United States

How many flights depart from Harlingen to United States on average per week?

The number of flights available between Harlingen and United States is 173 per week as of August 2026. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from Harlingen Valley Intl Airport to United States?

Prices for flights from Harlingen Valley Intl Airport to United States were last updated today.

How many operators does momondo search for flights from Harlingen Valley Intl Airport to United States?

There are 3 operators available for flights from Harlingen Valley Intl Airport to United States as of August 2026.

How old do you have to be to fly from Harlingen Valley Intl Airport to United States?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to United States.

What documentation or ID do you need to fly to United States?

The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$81 Cheap Flights from Harlingen to the United States in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harlingen to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:18 pm - 6:55 pmHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 37mnonstop

2:40 pm - 3:59 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 19mnonstop

$140United Airlines

Wed, Sep 2 - Mon, Sep 7

5:05 am - 6:20 amHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 15mnonstop

8:35 pm - 9:52 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 17mnonstop

$160United Airlines

Thu, Sep 24 - Mon, Sep 28

4:40 pm - 5:50 pmHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

11:50 am - 1:00 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 10mnonstop

$161Southwest

Thu, Sep 10 - Wed, Sep 16

4:25 pm - 5:35 pmHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

9:30 pm - 10:40 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 10mnonstop

$161Southwest

Tue, Sep 22 - Mon, Sep 28

5:05 am - 6:20 amHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 15mnonstop

8:35 pm - 9:52 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 17mnonstop

$162United Airlines

Fri, Sep 11 - Mon, Sep 14

5:30 am - 6:35 amHRL Harlingen Valley Intl-HOU Houston Hobby

1h 05mnonstop

9:30 pm - 10:40 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 10mnonstop

$162Southwest

Thu, Sep 24 - Mon, Sep 28

3:35 pm - 5:22 pmHRL Harlingen Valley Intl-DFW Dallas/Fort Worth

1h 47mnonstop

2:40 pm - 4:06 pmDFW Dallas/Fort Worth-HRL Harlingen Valley Intl

1h 26mnonstop

$195American Airlines

Wed, Sep 30 - Thu, Oct 1

2:30 pm - 11:59 pmHRL Harlingen Valley Intl-MCO Orlando

8h 29m1 stop Minneapolis St Paul

6:30 am - 1:32 pmMCO Orlando-HRL Harlingen Valley Intl

8h 02m1 stop Minneapolis St Paul

$217Delta

Sat, Dec 5 - Wed, Dec 9

2:30 pm - 11:59 pmHRL Harlingen Valley Intl-MCO Orlando

8h 29m1 stop Minneapolis St Paul

6:30 am - 1:32 pmMCO Orlando-HRL Harlingen Valley Intl

8h 02m1 stop Minneapolis St Paul

$217Delta

Sat, Dec 5 - Wed, Dec 9

5:28 pm - 12:14 amHRL Harlingen Valley Intl-ORD Chicago O'Hare Intl

6h 46m1 stop Dallas/Fort Worth

12:59 pm - 6:12 pmORD Chicago O'Hare Intl-HRL Harlingen Valley Intl

5h 13m1 stop Dallas/Fort Worth

$220American Airlines

Sat, Oct 3 - Mon, Oct 5

Cheap last minute flights

Enter your travel dates to find the best prices.

11:40 am - 12:50 pmHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

9:30 pm - 10:35 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 05mnonstop

$309Southwest

Sun, Aug 16 - Mon, Aug 17

6:00 am - 7:10 amHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

3:20 pm - 8:30 pmHOU Houston Hobby-HRL Harlingen Valley Intl

5h 10m1 stop Austin Bergstrom

$319Southwest

Sun, Aug 16 - Mon, Aug 17

6:00 am - 7:10 amHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

9:30 am - 4:05 pmHOU Houston Hobby-HRL Harlingen Valley Intl

6h 35m2 stops Dallas Love Field Austin Bergstrom

$324Southwest

Sun, Aug 16 - Mon, Aug 17

3:17 pm - 7:51 pmHRL Harlingen Valley Intl-HOU Houston Hobby

4h 34m1 stop Dallas/Fort Worth

5:41 am - 10:04 amHOU Houston Hobby-HRL Harlingen Valley Intl

4h 23m1 stop Dallas/Fort Worth

$329American Airlines

Wed, Aug 19 - Fri, Aug 21

5:54 am - 11:44 amHRL Harlingen Valley Intl-HOU Houston Hobby

5h 50m1 stop Dallas/Fort Worth

5:41 am - 10:04 amHOU Houston Hobby-HRL Harlingen Valley Intl

4h 23m1 stop Dallas/Fort Worth

$329American Airlines

Wed, Aug 19 - Fri, Aug 21

3:17 pm - 8:40 pmHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

5h 23m1 stop Dallas/Fort Worth

5:00 am - 10:04 amIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

5h 04m1 stop Dallas/Fort Worth

$329American Airlines

Wed, Aug 19 - Fri, Aug 21

3:10 pm - 10:00 pmHRL Harlingen Valley Intl-HOU Houston Hobby

6h 50m2 stops Dallas Love Field Austin Bergstrom

3:20 pm - 8:30 pmHOU Houston Hobby-HRL Harlingen Valley Intl

5h 10m1 stop Austin Bergstrom

$354Southwest

Sun, Aug 16 - Mon, Aug 17

7:15 am - 8:40 amHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 25mnonstop

2:40 pm - 3:59 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 19mnonstop

$359United Airlines

Mon, Aug 17 - Wed, Aug 19

5:18 pm - 6:55 pmHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 37mnonstop

12:05 pm - 1:24 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 19mnonstop

$379United Airlines

Sun, Aug 16 - Mon, Aug 17

1:59 pm - 3:24 pmHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 25mnonstop

2:40 pm - 3:59 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 19mnonstop

$379United Airlines

Wed, Aug 19 - Fri, Aug 21

Cheap direct flights

Enter your travel dates to find the best prices.

5:18 pm - 6:55 pmHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 37mnonstop

2:40 pm - 3:59 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 19mnonstop

$140United Airlines

Wed, Sep 2 - Mon, Sep 7

5:05 am - 6:20 amHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 15mnonstop

8:35 pm - 9:52 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 17mnonstop

$160United Airlines

Thu, Sep 24 - Mon, Sep 28

4:40 pm - 5:50 pmHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

11:50 am - 1:00 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 10mnonstop

$161Southwest

Thu, Sep 10 - Wed, Sep 16

4:25 pm - 5:35 pmHRL Harlingen Valley Intl-HOU Houston Hobby

1h 10mnonstop

9:30 pm - 10:40 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 10mnonstop

$161Southwest

Tue, Sep 22 - Mon, Sep 28

5:30 am - 6:35 amHRL Harlingen Valley Intl-HOU Houston Hobby

1h 05mnonstop

9:30 pm - 10:40 pmHOU Houston Hobby-HRL Harlingen Valley Intl

1h 10mnonstop

$162Southwest

Thu, Sep 24 - Mon, Sep 28

5:18 pm - 6:55 pmHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 37mnonstop

2:40 pm - 3:59 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 19mnonstop

$162United Airlines

Thu, Sep 10 - Fri, Sep 11

5:05 am - 6:20 amHRL Harlingen Valley Intl-IAH Houston George Bush Intcntl

1h 15mnonstop

8:35 pm - 9:52 pmIAH Houston George Bush Intcntl-HRL Harlingen Valley Intl

1h 17mnonstop

$162United Airlines

Fri, Sep 11 - Mon, Sep 14

3:35 pm - 5:22 pmHRL Harlingen Valley Intl-DFW Dallas/Fort Worth

1h 47mnonstop

2:40 pm - 4:06 pmDFW Dallas/Fort Worth-HRL Harlingen Valley Intl

1h 26mnonstop

$195American Airlines

Wed, Sep 30 - Thu, Oct 1

5:28 pm - 7:15 pmHRL Harlingen Valley Intl-DFW Dallas/Fort Worth

1h 47mnonstop

8:27 am - 9:58 amDFW Dallas/Fort Worth-HRL Harlingen Valley Intl

1h 31mnonstop

$223American Airlines

Fri, Sep 18 - Mon, Sep 21

5:28 pm - 7:15 pmHRL Harlingen Valley Intl-DFW Dallas/Fort Worth

1h 47mnonstop

8:27 am - 9:58 amDFW Dallas/Fort Worth-HRL Harlingen Valley Intl

1h 31mnonstop

$223American Airlines

Fri, Sep 18 - Mon, Sep 21

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Southwest flights from Harlingen to United States

Our best Southwest deals on Harlingen to United States flight tickets

Southwest

Sep 10

HRL4:40 pmHarlingen Valley Intl

1h 10m

HOU5:50 pmHouston Hobby

Sep 16

HOU11:50 amHouston Hobby

1h 10m

HRL1:00 pmHarlingen Valley Intl

$161

Southwest

Sep 24

HRL5:30 amHarlingen Valley Intl

1h 05m

HOU6:35 amHouston Hobby

Sep 28

HOU9:30 pmHouston Hobby

1h 10m

HRL10:40 pmHarlingen Valley Intl

$162

Southwest

Sep 10

HRL4:40 pmHarlingen Valley Intl

1h 10m

HOU5:50 pmHouston Hobby

Sep 16

HOU3:35 pmHouston Hobby

4h 40m

1 stop

HRL8:15 pmHarlingen Valley Intl

$171

American Airlines flights from Harlingen to United States

Our best American Airlines deals on Harlingen to United States flight tickets

American Airlines

Sep 30

HRL3:35 pmHarlingen Valley Intl

1h 47m

DFW5:22 pmDallas/Fort Worth

Oct 1

DFW2:40 pmDallas/Fort Worth

1h 26m

HRL4:06 pmHarlingen Valley Intl

$195

American Airlines

Dec 5

HRL10:44 amHarlingen Valley Intl

9h 21m

2 stops

MCO9:05 pmOrlando

Dec 9

MCO8:00 amOrlando

6h 56m

1 stop

HRL1:56 pmHarlingen Valley Intl

$222

American Airlines

Sep 18

HRL5:28 pmHarlingen Valley Intl

1h 47m

DFW7:15 pmDallas/Fort Worth

Sep 21

DFW8:27 amDallas/Fort Worth

1h 31m

HRL9:58 amHarlingen Valley Intl

$223

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenHouston

HRL Harlingen Valley Intl - IAH Houston George Bush Intcntl

HRLIAH

Harlingen Valley Intl

Wed 9/2

5:18 pm-6:55 pm

Nonstop1h 37m

Houston George Bush Intcntl

Mon 9/7

2:40 pm-3:59 pm

Nonstop1h 19m

$140

HarlingenHouston

HRL Harlingen Valley Intl - IAH Houston George Bush Intcntl

HRLIAH

Harlingen Valley Intl

Thu 9/24

5:05 am-6:20 am

Nonstop1h 15m

Houston George Bush Intcntl

Mon 9/28

8:35 pm-9:52 pm

Nonstop1h 17m

$160

HarlingenHouston

HRL Harlingen Valley Intl - HOU Houston Hobby

HRLHOU

Harlingen Valley Intl

Thu 9/10

4:40 pm-5:50 pm

Nonstop1h 10m

Houston Hobby

Wed 9/16

11:50 am-1:00 pm

Nonstop1h 10m

$161

HarlingenHouston

HRL Harlingen Valley Intl - HOU Houston Hobby

HRLHOU

Harlingen Valley Intl

Tue 9/22

4:25 pm-5:35 pm

Nonstop1h 10m

Houston Hobby

Mon 9/28

9:30 pm-10:40 pm

Nonstop1h 10m

$161

HarlingenHouston

HRL Harlingen Valley Intl - IAH Houston George Bush Intcntl

HRLIAH

Harlingen Valley Intl

Fri 9/11

5:05 am-6:20 am

Nonstop1h 15m

Houston George Bush Intcntl

Mon 9/14

8:35 pm-9:52 pm

Nonstop1h 17m

$162

Quickest round-trip

HarlingenHouston

HRL Harlingen Valley Intl - HOU Houston Hobby

HRLHOU

Harlingen Valley Intl

Thu 9/24

5:30 am-6:35 am

Nonstop1h 05m

Houston Hobby

Mon 9/28

9:30 pm-10:40 pm

Nonstop1h 10m

$162

HarlingenDallas

HRL Harlingen Valley Intl - DFW Dallas/Fort Worth

HRLDFW

Harlingen Valley Intl

Wed 9/30

3:35 pm-5:22 pm

Nonstop1h 47m

Dallas/Fort Worth

Thu 10/1

2:40 pm-4:06 pm

Nonstop1h 26m

$195

HarlingenOrlando

HRL Harlingen Valley Intl - MCO Orlando

HRLMCO

Harlingen Valley Intl

Sat 12/5

2:30 pm-11:59 pm

1 stop8h 29m

Orlando

Wed 12/9

6:30 am-1:32 pm

1 stop8h 02m

$217

HarlingenOrlando

HRL Harlingen Valley Intl - MCO Orlando

HRLMCO

Harlingen Valley Intl

Sat 12/5

2:30 pm-11:59 pm

1 stop8h 29m

Orlando

Wed 12/9

6:30 am-1:32 pm

1 stop8h 02m

$217

HarlingenChicago

HRL Harlingen Valley Intl - ORD Chicago O'Hare Intl

HRLORD

Harlingen Valley Intl

Sat 10/3

5:28 pm-12:14 am

1 stop6h 46m

Chicago O'Hare Intl

Mon 10/5

12:59 pm-6:12 pm

1 stop5h 13m

$220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen to United States

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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from Harlingen to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $311. If you aren’t able to travel during the month of January, then book flights to United States from Harlingen during September instead. Flights to United States in September, while not as cheap as those in January, still average around $318.

Can stopping save me money on Harlingen to United States flights?

You could potentially save up to 20% on your flight if you consider stops on a Harlingen to United States flight.

Cheap Harlingen to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to United States

Best Price Found	$159
Fastest flight time	1h 05m
Direct flights	Every day
Airports in United States	4,301 airports

The best one-way flight to United States from Harlingen in the past 72 hours is $159. The best round-trip flight deal from Harlingen to United States found on momondo in the last 72 hours is $306.

The fastest flight from Harlingen to United States takes 1h 05m

Direct flights go from Harlingen to United States every day.

There are 4,301 airports in United States. From Harlingen there are direct flights to Houston George Bush Intcntl (IAH), Dallas Love Field (DAL), Houston Hobby (HOU).

Search flight deals

Frequently asked questions about flying from Harlingen to the United States

When did momondo last update prices for flights from Harlingen Valley Intl Airport to United States?
Prices for flights from Harlingen Valley Intl Airport to United States were last updated today.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to United States?
There are 3 operators available for flights from Harlingen Valley Intl Airport to United States as of August 2026.
How old do you have to be to fly from Harlingen Valley Intl Airport to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Harlingen to United States?
Based on momondo bookings for flights between Harlingen and United States, the leading plane model is Boeing 737 MAX 8, making up 18.24% of the total bookings. Other popular models include Embraer 175 with 13.84%, Embraer 170 with 11.64%, and Embraer ERJ-135 / ERJ-140 / ERJ-145 with 11.01%.

Best airlines flying from Harlingen to United States

Compare and see reviews for airlines that fly from Harlingen to United States with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $168	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,929 reviews	Search American Airlines flights
Southwest	PriceFrom $236	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harlingen to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Harlingen to United States with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United States from Harlingen with this policy.

How can momondo help me find flights from Harlingen to United States?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Harlingen to United States.

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

Yes. momondo can track prices for Harlingen to United States 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.