$98 Cheap Flights from Boise (BOI) to Harlingen (HRL)

View $98 flight on Tue, Jan 27, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Valley Intl. Airport (HRL)

Cheap Flights from Boise to Harlingen (BOI-HRL)

Prices were available within the past 7 days and start at $98 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 31 - Thu, Feb 5
BOI
Boise
HRL
Harlingen
$197 Roundtrip, found 6 days ago
$197
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 31 from Boise to Harlingen, returning Thu, Feb 5, priced at $197 found 6 days ago
Southwest Airlines
Tue, Jan 20 - Thu, Jan 29
BOI
Boise
HRL
Harlingen
$230 Roundtrip, found 4 days ago
$230
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Boise to Harlingen, returning Thu, Jan 29, priced at $230 found 4 days ago
Southwest Airlines
Tue, Jan 20 - Thu, Jan 29
BOI
Boise
HRL
Harlingen
$236 Roundtrip, found 4 days ago
$236
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Boise to Harlingen, returning Thu, Jan 29, priced at $236 found 4 days ago
Southwest Airlines
Tue, Jan 27 - Thu, Feb 5
BOI
Boise
HRL
Harlingen
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 27 from Boise to Harlingen, returning Thu, Feb 5, priced at $237 found 4 days ago
Southwest Airlines
Tue, Jan 20 - Thu, Jan 29
BOI
Boise
HRL
Harlingen
$241 Roundtrip, found 4 days ago
$241
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Boise to Harlingen, returning Thu, Jan 29, priced at $241 found 4 days ago
Southwest Airlines
Tue, Jan 20 - Thu, Jan 29
BOI
Boise
HRL
Harlingen
$241 Roundtrip, found 4 days ago
$241
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Boise to Harlingen, returning Thu, Jan 29, priced at $241 found 4 days ago
Southwest Airlines
Tue, Jan 27 - Thu, Feb 5
BOI
Boise
HRL
Harlingen
$242 Roundtrip, found 4 days ago
$242
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 27 from Boise to Harlingen, returning Thu, Feb 5, priced at $242 found 4 days ago
Southwest Airlines
Tue, Jan 27 - Thu, Feb 5
BOI
Boise
HRL
Harlingen
$247 Roundtrip, found 4 days ago
$247
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 27 from Boise to Harlingen, returning Thu, Feb 5, priced at $247 found 4 days ago
American Airlines
Tue, Jan 20 - Thu, Jan 29
BOI
Boise
HRL
Harlingen
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 20 from Boise to Harlingen, returning Thu, Jan 29, priced at $264 found 4 days ago
United
Tue, Feb 3 - Wed, Feb 4
BOI
Boise
HRL
Harlingen
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select United flight, departing Tue, Feb 3 from Boise to Harlingen, returning Wed, Feb 4, priced at $339 found 6 days ago

Alternative airports near Harlingen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brownsville-South Padre Island Intl. BRO. Cheapest option available. Average driving time to city center is 33 minutes. Flights from $429
BRO
Brownsville-South Padre Island Intl.
Cheapest
Average driving time to city center33 min
Flights from $429

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Valley Intl. Airport (HRL) cost?
Grab a cheap one-way flight from $98 or cheap return flight from $197 from Boise Airport (BOI) to Valley Intl. Airport (HRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Valley Intl. Airport (HRL)?
January is the most affordable month to fly from BOI to HRL. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Boise Airport (BOI) to Valley Intl. Airport (HRL)?
To find the cheapest airline that'll fly you from BOI to HRL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Boise Airport (BOI) to Valley Intl. Airport (HRL)?
Nonstop flights from Boise Airport (BOI) to Valley Intl. Airport (HRL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOI to HRL?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Valley Intl. Airport (HRL)?
To avoid potential delays on the Boise Airport (BOI) to Valley Intl. Airport (HRL) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Valley Intl. Airport (HRL) last-minute?
Last-minute bookings from BOI to HRL are typically more expensive. To secure the lowest prices, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a BOI to HRL flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOI to HRL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our wide range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Valley Intl. Airport (HRL)?
You can usually cancel or reschedule your BOI to HRL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Boise
Destination airport
Valley Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$196
Distance
1586 mi

Book with confidence

Boise to Harlingen Flights

The cheapest times to fly from Boise to Harlingen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boise to Harlingen are during the month of January. You can find some of the cheapest flights from Boise to Harlingen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Harlingen

Sunday is one of the best days to book for cheap flights from Boise to Harlingen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boise to Harlingen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boise to Harlingen in 2025. You can also book with separate airlines for your outbound and return journeys, from $98 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boise to Harlingen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boise to Harlingen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boise to Harlingen Flights

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*Available to One Key members.