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Cheap flights from Buffalo to Harlingen from $451

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Harlingen departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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American Airlines Logo
12:27 pm - 12:04 amBUF-HRL
12h 37m2 stops
American Airlines Logo
10:04 am - 10:46 pmHRL-BUF
11h 42m2 stops
$451American Airlines
Find Deal
Tue, Mar 31 - Wed, Apr 1
American Airlines Logo
6:47 am - 11:35 amBUF-HRL
5h 48m1 stop
American Airlines Logo
10:04 am - 8:09 pmHRL-BUF
9h 05m2 stops
$539American Airlines
Find Deal
Tue, Mar 31 - Wed, Apr 1

American Airlines flights from Buffalo to Harlingen, Texas

Our best American Airlines deals on Buffalo to Harlingen, Texas flight tickets
American Airlines
Mar 31
BUF12:27 pmBuffalo
12h 37m
2 stops
HRL12:04 amHarlingen Valley Intl
Apr 1
HRL10:04 amHarlingen Valley Intl
11h 42m
2 stops
BUF10:46 pmBuffalo
$451
Find similar
American Airlines
Mar 31
BUF6:47 amBuffalo
5h 48m
1 stop
HRL11:35 amHarlingen Valley Intl
Apr 1
HRL10:04 amHarlingen Valley Intl
9h 05m
2 stops
BUF8:09 pmBuffalo
$539
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Harlingen, Texas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Buffalo to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 3/31

12:27 pm-12:04 am

2 stops12h 37m

Harlingen Valley Intl

Wed 4/1

10:04 am-10:46 pm

2 stops11h 42m

$451

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 3/31

6:47 am-11:35 am

1 stop5h 48m

Harlingen Valley Intl

Wed 4/1

10:04 am-8:09 pm

2 stops9h 05m

$539

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Harlingen from

How to get the cheapest flight ticket from Buffalo to Harlingen, Texas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Sunday when prices can be found for as low as $647. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Harlingen, Texas for around $676.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the afternoon. Flights from Buffalo to Harlingen, Texas during this time can be as low as $438. Flights in the morning are often more expensive with an average ticket price of $780.

When to book flights from Buffalo to Harlingen, Texas

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Harlingen, Texas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Harlingen, Texas (BUF to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Harlingen, Texas

Direct flights

None
There are no direct flights from Buffalo to Harlingen, Texas. There are no popular flight routes from Buffalo to Harlingen, Texas.
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  • How far is Buffalo to Harlingen Valley Intl by plane?

    The distance between Buffalo and Harlingen Valley Intl is about 1565.7 mi. By plane, this route typically takes 5h 48m.

  • When did momondo last update prices for flights from Buffalo Airport to Harlingen Valley Intl Airport?

    Prices for flights from Buffalo Airport to Harlingen Valley Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buffalo Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Buffalo Airport to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to Harlingen, Texas?

Best airlines flying from Buffalo to Harlingen, Texas

Compare and see reviews for airlines that fly from Buffalo to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $339Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

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Why should I use momondo to find a flight deal from Buffalo to Harlingen?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Harlingen. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to Harlingen with flexible booking policies on momondo?

Flights from Buffalo to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Harlingen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Harlingen from Buffalo.

I’m not ready to book a flight from Buffalo to Harlingen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Buffalo to Harlingen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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