$105 Find Cheap Flights from Denver to Harlingen - Compare and Save

In the last 5 days, the lowest price for a flight from Denver to Harlingen was $105 for a one-way ticket and $209 for a round-trip.

A passport is not required to fly from Denver to Harlingen.

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

The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Denver to Harlingen flight route.

Star Alliance is the only airline alliance operating flights between Denver and Harlingen.

The two airlines most popular with KAYAK users for flights from Denver to Harlingen are Southwest and United Airlines. With an average price for the route of $324 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $476 and an overall rating of 7.4.

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 Denver to Harlingen.

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

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 Denver with another airline. Booking your flights between Denver and HRL can sometimes prove cheaper using this method.

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 Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.