$175 Cheap Flights from Buffalo (BUF) to Harlingen (HRL)

View $175 flight on Tue, Sep 15, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Valley Intl. Airport (HRL)

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Cheap Flights from Buffalo to Harlingen (BUF-HRL)

Prices were available within the past 7 days and start at $175 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$341 Roundtrip, found 3 days ago
$341
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $341 found 3 days ago
Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$346 Roundtrip, found 3 days ago
$346
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $346 found 3 days ago
Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $353 found 3 days ago
Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$355 Roundtrip, found 3 days ago
$355
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $355 found 3 days ago
Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $359 found 3 days ago
Southwest Airlines
Sat, Aug 8 - Sat, Aug 15
BUF
Buffalo
HRL
Harlingen
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Aug 8 from Buffalo to Harlingen, returning Sat, Aug 15, priced at $359 found 2 days ago
Southwest Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$361 Roundtrip, found 3 days ago
$361
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $361 found 3 days ago
Southwest Airlines
Sat, Aug 8 - Sat, Aug 15
BUF
Buffalo
HRL
Harlingen
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Aug 8 from Buffalo to Harlingen, returning Sat, Aug 15, priced at $365 found 2 days ago
American Airlines
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$454 Roundtrip, found 3 days ago
$454
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $454 found 3 days ago
United
Thu, Apr 16 - Tue, Apr 21
BUF
Buffalo
HRL
Harlingen
$473 Roundtrip, found 3 days ago
$473
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 16 from Buffalo to Harlingen, returning Tue, Apr 21, priced at $473 found 3 days ago

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) cost?
You can find cheap one-way flights from $175 and cheap return flights from $341 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) with Expedia. One-way flights generally range between $222 and $1171, and roundtrip flights usually range from $427 to $1065. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
The cheapest month to fly from BUF to HRL is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
Enter BUF to HRL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Buffalo (BUF) to Harlingen (HRL) with a layover in Baltimore Washington Intl. (BWI), starting from around $319. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
The earliest flight from Buffalo (BUF) to Harlingen (HRL) usually departs at around 5:00 AM, operated by American Airlines. This is a seasonal service available in December, making it a good option if you're traveling during that month. An early flight can help you maximize your time in Harlingen. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
The most popular departure times for flights from Buffalo (BUF) to Harlingen (HRL) are in the morning, from 6am to 9am. About 43% of passengers prefer this time window. Many major carriers, including Southwest Airlines, American Airlines and Southwest Airlines, offer flights during this window. This timing is favored as it allows travelers to arrive in Harlingen with plenty of time to explore the area.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
Flights from BUF to HRL with one stop typically take around 9 hours, covering approximately 1,571 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
Select the "Business class" and "First class" filters when looking for BUF to HRL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Harlingen from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Harlingen from Buffalo Niagara Intl. (BUF), you can fly into Valley Intl. (HRL) Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Midway Intl. (MDW), Orlando Intl. (MCO) before reaching Harlingen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Harlingen, TX (HRL-Valley Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Valley Intl.
Airlines serving
American Airlines, Southwest Airlines, United
Roundtrip price
$340
Distance
1571 mi

Book with confidence

Buffalo to Harlingen Flights

The cheapest times to fly from Buffalo 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 Buffalo to Harlingen are during the month of April. You can find some of the cheapest flights from Buffalo to Harlingen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Harlingen

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Harlingen in 2026. You can also book with separate airlines for your outbound and return journeys, from $175 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 Buffalo 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 Buffalo 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.

 

Buffalo to Harlingen Flights

*Flight schedules are subject to change.

*Available to One Key members.