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Cheap Flights from Houston to Harlingen

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      Southwest Airlines
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      Compare Houston to Harlingen flight deals

      Find the cheapest month or even day of the year to fly to Harlingen

      Book the best Harlingen fare with no extra fees

      Flight deals from Houston to Harlingen

      Looking for a cheap last-minute deal or the best return flight from Houston to Harlingen Airport? If you want to travel next month, return fares start from £150. Find the lowest prices on one-way and return tickets right here.
      Harlingen.£75 per passenger.Departing Sun, 1 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Sun, 1 Nov, arriving in Harlingen.Price includes taxes and charges.From £75, select.
      Harlingen.£75 per passenger.Departing Wed, 21 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Wed, 21 Oct, arriving in Harlingen.Price includes taxes and charges.From £75, select.
      Harlingen.£75 per passenger.Departing Tue, 22 Sep.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 22 Sep, arriving in Harlingen.Price includes taxes and charges.From £75, select.
      Harlingen.£87 per passenger.Departing Thu, 24 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Thu, 24 Dec, arriving in Harlingen.Price includes taxes and charges.From £87, select.
      Harlingen.£87 per passenger.Departing Thu, 11 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Thu, 11 Feb, arriving in Harlingen.Price includes taxes and charges.From £87, select.
      Harlingen.£92 per passenger.Departing Sun, 31 Jan.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sun, 31 Jan, arriving in Harlingen.Price includes taxes and charges.From £92, select.
      Harlingen.£157 per passenger.Departing Mon, 31 Aug.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Mon, 31 Aug, arriving in Harlingen.Price includes taxes and charges.From £157, select.

      Find the cheapest month to fly from Houston to Harlingen

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Harlingen flights are currently cheapest in September.
      Aug
      from £157
      Sep
      from £75
      Oct
      from £75
      Nov
      from £75
      Dec
      from £87
      Jan
      from £92
      Feb
      from £87
      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Direct flights from Houston to Harlingen

      Air Canada
      Air New Zealand
      Copa
      Emirates
      Southwest Airlines
      United

      Houston to Harlingen: Alternative routes

      Compare routes from Houston to Harlingen below. You may find an airport to fly into that's cheaper, faster, or easier than Harlingen.

      Harlingen

      7km from central Harlingen
      ClosestCheapest
      from £75
      Search flights

      Brownsville

      41km from central Harlingen
      Cheapest
      from £75
      Search flights

      Mcallen

      54km from central Harlingen
      from £98
      Search flights

      Houston to Harlingen: Flight information

      The things to know before you go.
      Cheapest flight found£75
      Cheapest month to flySeptember
      Average flight time1 hr, 14 mins
      Most popular airlineSouthwest Airlines
      Average flights per week137

      Finding cheap flights from Houston to Harlingen: Frequently asked questions

      The best price we found for a return flight from Houston to Harlingen is £150. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      1 hour and 14 minutes is the average flight time from Houston to Harlingen.
      Southwest Airlines, United and Air Canada fly direct from Houston to Harlingen.
      As of August 2026, there are 137 flights per week flying from Houston to Harlingen.
      The cheapest month to fly from Houston to Harlingen is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Harlingen Airport on Friday, 23 October 2026.
      Yes – the average flight time is 1 hour and 14 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harlingen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Harlingen is around 40 days in advance, so don’t leave your flight to the last minute.

      The cheapest airline that flies to Harlingen is Southwest Airlines .

      How to find cheap flights to Harlingen from Houston

      Looking for cheap tickets from Houston to Harlingen? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

      • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Houston to Harlingen. And with us there are no hidden fees - what you see is what you pay.
      • Compare flight deals to Harlingen from Houston from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
      • Flex your dates to find the best Houston-Harlingen ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Harlingen from Houston.
      • Set up a Price Alert. You can easily track the fare of your cheap Houston-Harlingen flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
      • Fly without stops. Only interested in direct flights between Houston and Harlingen? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
      • Find the cheapest Business class flights from Houston and Harlingen. We scour the internet for the best Business, Premium Economy and First Class flight fares to Harlingen, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
      • Include nearby airports in your search. Widen your search for Houston to Harlingen flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

        • Combine your flight to Harlingen from Houston with hotels and car hire

        Once you've secured your cheap flight ticket from Houston to Harlingen, discover the best prices and exclusive rates for hotels in Harlingen or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


      Plan the rest of your trip from Houston to Harlingen

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.