Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Buffalo to Harlingen from $256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Harlingen departing on 5/19. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buffalo to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:00 am - 1:30 pm
BUF
-
HRL
8h 30m
2 stops
Southwest Logo
5:40 am - 5:20 pm
HRL
-
BUF
10h 40m
2 stops
$403Southwest
Tue, Jun 9 - Sun, Jun 14
American Airlines Logo
4:46 pm - 12:14 am
BUF
-
HRL
8h 28m
1 stop
American Airlines Logo
10:43 am - 10:36 pm
HRL
-
BUF
10h 53m
2 stops
$469American Airlines
Sat, May 23 - Wed, May 27
Southwest Logo
12:30 pm - 9:35 pm
BUF
-
HRL
10h 05m
2 stops
Southwest Logo
7:10 am - 4:20 pm
HRL
-
BUF
8h 10m
2 stops
$470Southwest
Sat, May 23 - Wed, May 27
Southwest Logo
5:00 am - 11:45 am
BUF
-
HRL
7h 45m
2 stops
Southwest Logo
10:40 am - 9:30 pm
HRL
-
BUF
9h 50m
2 stops
$489Southwest
Mon, May 25 - Fri, May 29
United Airlines Logo
6:00 am - 3:34 pm
BUF
-
HRL
10h 34m
2 stops
United Airlines Logo
5:15 am - 11:52 pm
HRL
-
BUF
17h 37m
2 stops
$516United Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
7:00 am - 3:59 pm
BUF
-
HRL
9h 59m
2 stops
United Airlines Logo
1:59 pm - 9:14 am
HRL
-
BUF
18h 15m
2 stops
$541United Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
6:00 am - 3:34 pm
BUF
-
HRL
10h 34m
2 stops
United Airlines Logo
5:16 pm - 9:07 pm
HRL
-
BUF
26h 51m
2 stops
$601United Airlines
Tue, Sep 1 - Wed, Sep 2
American Airlines Logo
4:46 pm - 12:14 am
BUF
-
HRL
8h 28m
1 stop
American Airlines Logo
6:00 am - 5:51 pm
HRL
-
BUF
10h 51m
2 stops
$688American Airlines
Mon, May 25 - Fri, May 29
American Airlines Logo
4:46 pm - 12:14 am
BUF
-
HRL
8h 28m
1 stop
American Airlines Logo
6:00 am - 3:56 pm
HRL
-
BUF
8h 56m
1 stop
$710American Airlines
Sat, May 23 - Wed, May 27
American Airlines Logo
4:47 pm - 12:14 am
BUF
-
HRL
8h 27m
1 stop
American Airlines Logo
6:00 am - 9:52 pm
HRL
-
BUF
14h 52m
2 stops
$733American Airlines
Tue, Jun 9 - Sun, Jun 14

Southwest flights from Buffalo to Harlingen

Our best Southwest deals on Buffalo to Harlingen flight tickets
Southwest
Jun 9
BUF6:00 amBuffalo
8h 30m
2 stops
HRL1:30 pmHarlingen Valley Intl
Jun 14
HRL5:40 amHarlingen Valley Intl
10h 40m
2 stops
BUF5:20 pmBuffalo
$403
Southwest
May 20
BUF9:25 amBuffalo
8h 55m
2 stops
HRL5:20 pmHarlingen Valley Intl
May 23
HRL6:05 amHarlingen Valley Intl
13h 35m
2 stops
BUF8:40 pmBuffalo
$455
Southwest
May 23
BUF12:30 pmBuffalo
10h 05m
2 stops
HRL9:35 pmHarlingen Valley Intl
May 27
HRL7:10 amHarlingen Valley Intl
8h 10m
2 stops
BUF4:20 pmBuffalo
$470

American Airlines flights from Buffalo to Harlingen

Our best American Airlines deals on Buffalo to Harlingen flight tickets
American Airlines
May 23
BUF4:46 pmBuffalo
8h 28m
1 stop
HRL12:14 amHarlingen Valley Intl
May 27
HRL10:43 amHarlingen Valley Intl
10h 53m
2 stops
BUF10:36 pmBuffalo
$469
American Airlines
May 25
BUF4:46 pmBuffalo
8h 28m
1 stop
HRL12:14 amHarlingen Valley Intl
May 29
HRL6:00 amHarlingen Valley Intl
10h 51m
2 stops
BUF5:51 pmBuffalo
$688
American Airlines
May 23
BUF4:46 pmBuffalo
8h 28m
1 stop
HRL12:14 amHarlingen Valley Intl
May 27
HRL6:00 amHarlingen Valley Intl
8h 56m
1 stop
BUF3:56 pmBuffalo
$710

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Harlingen 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 May 11, 2026.
Use the filters below to find and compare flights from Buffalo to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 6/9

6:00 am-1:30 pm

2 stops8h 30m

Harlingen Valley Intl

Sun 6/14

5:40 am-5:20 pm

2 stops10h 40m

$403

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Sat 5/23

4:46 pm-12:14 am

1 stop8h 28m

Harlingen Valley Intl

Wed 5/27

10:43 am-10:36 pm

2 stops10h 53m

$469

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Sat 5/23

12:30 pm-9:35 pm

2 stops10h 05m

Harlingen Valley Intl

Wed 5/27

7:10 am-4:20 pm

2 stops8h 10m

$470

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Mon 5/25

5:00 am-11:45 am

2 stops7h 45m

Harlingen Valley Intl

Fri 5/29

10:40 am-9:30 pm

2 stops9h 50m

$489

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 9/1

6:00 am-3:34 pm

2 stops10h 34m

Harlingen Valley Intl

Wed 9/2

5:15 am-11:52 pm

2 stops17h 37m

$516

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 9/1

7:00 am-3:59 pm

2 stops9h 59m

Harlingen Valley Intl

Wed 9/2

1:59 pm-9:14 am

2 stops18h 15m

$541

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 9/1

6:00 am-3:34 pm

2 stops10h 34m

Harlingen Valley Intl

Wed 9/2

5:16 pm-9:07 pm

2 stops26h 51m

$601

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Mon 5/25

4:46 pm-12:14 am

1 stop8h 28m

Harlingen Valley Intl

Fri 5/29

6:00 am-5:51 pm

2 stops10h 51m

$688
Quickest round-trip

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Sat 5/23

4:46 pm-12:14 am

1 stop8h 28m

Harlingen Valley Intl

Wed 5/27

6:00 am-3:56 pm

1 stop8h 56m

$710

BuffaloHarlingen

BUF - HRL

BUFHRL

Buffalo

Tue 6/9

4:47 pm-12:14 am

1 stop8h 27m

Harlingen Valley Intl

Sun 6/14

6:00 am-9:52 pm

2 stops14h 52m

$733

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Harlingen from

How to get the cheapest flight ticket from Buffalo to Harlingen

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 airline that flies from Buffalo to Harlingen Valley Intl?

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Buffalo to Harlingen Valley Intl

When to book flights from Buffalo to Harlingen

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

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

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

Fastest flight time

7h 45m

Direct flights

None
The fastest flight from Buffalo to Harlingen takes 7h 45m
There are no direct flights from Buffalo to Harlingen. There are no popular flight routes from Buffalo to Harlingen.
Search flight deals

Frequently asked questions about flying from Buffalo to Harlingen

  • 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 7h 45m.

  • 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 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.

Why use momondo?

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.

An easier way to manage your Harlingen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/10
Wed 6/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States