Cheap Flights from Portland to Harlingen

Compare Portland 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 Portland to Harlingen

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Harlingen Airport? If you want to travel next month, return fares start from R 7,026. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Harlingen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Harlingen flights are currently cheapest in August.

Portland to Harlingen: Alternative routes

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

Portland to Harlingen: Flight information

The things to know before you go.
Cheapest flight foundR 2,928
Cheapest month to flyAugust

Finding cheap flights from Portland to Harlingen: Frequently asked questions

The best price we found for a return flight from Portland to Harlingen is R 4,842. 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.
Currently, there are no airlines that fly direct from Portland to Harlingen. But we found flights with one or more stops from R 4,842.
As of April 2026, there are no flights flying from Portland to Harlingen.
The cheapest month to fly from Portland to Harlingen is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Harlingen Airport on Friday, 24 April 2026.
No airlines currently offer direct flights between Portland Airport and Harlingen Airport. Most routes have one or more stops.
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.
Currently, United offers the cheapest flight tickets to Harlingen.

Travelling from Portland International Airport (PDX) to Valley International Airport (HRL): what you need to know

  • Harlingen's timezone is UTC-5, which makes Harlingen two hours ahead of Portland.

  • Your PDX to HRL flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like July, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during peak periods in general.

  • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Portland International Airport to Valley International Airport. These are the top stopovers between PDX and HRL:

    • Dallas/Fort Worth International Airport

    • George Bush Intercontinental Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Valley International Airport (HRL)

  • R 2,928 is currently the best price for a one-way Portland International Airport to Valley International Airport flight. Return flights start from R 4,842. These fares may change depending on availability and demand.

  • To pick up cheap tickets from PDX to HRL, book in advance. Airlines typically offer their most competitively priced fares when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Portland International Airport to Valley International Airport across the entire month. It's an easy way to snap up a bargain if your travel dates aren't set in stone.

  • You don't need to check back in every day to see if fares have gone down when you create a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from PDX to HRL.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Portland International Airport to Valley International Airport.

Handy information about Portland International Airport (PDX)

  • PDX's address is 7000 NE Airport Way.

  • Portland International Airport gets top marks for its on-time performance. 83.65% of flights that depart PDX reach their destination without delay.

  • Central Portland to Portland International Airport is approximately 19 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey when using public transport takes about 45 minutes.

  • Taking an early flight from Portland International Airport to Valley International Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near PDX:

Arriving at Valley International Airport (HRL)

Getting from Valley International Airport (HRL) to central Harlingen

  • You'll find HRL at 3002 Heritage Way.

  • Valley International Airport to the centre of Harlingen has a drive time of around 10 minutes. It's approximately 8 kilometres away.

When to fly to Valley International Airport (HRL)

  • The quietest month for a flight from Portland International Airport to Valley International Airport is April, while October is the most popular. Pick the ideal time to go to Harlingen based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Harlingen is August, with temperatures ranging between 25ºC (77ºF) and 37ºC (99ºF). Lock in your flights from Portland International Airport to Valley International Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 10ºC (50ºF) and 25ºC (77ºF). Search for cheap tickets from PDX to HRL around that time if you like cooler conditions.

Explore more of United States

  • Harlingen has plenty to offer, but there are so many other corners of United States just waiting to be discovered. About 451 kilometres north-east of Harlingen, a visit to Houston will keep your itinerary packed. Start with popular sights like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • If you want to check out another major stop in United States, consider San Antonio, about 370 kilometres north of Harlingen. The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.