$122+ Cheap flights from Boston to Harlingen (BOS - HRL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HRL
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Harlingen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Harlingen
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Best
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Cheapest flights from Boston to HarlingenExplore the most affordable flight options available from Boston to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Boston to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops10h 50m
Mon 12/72:00 pm -
1 stop8h 23m
Deal found 10/21![United Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
1 stop7h 10m
Sun 12/66:40 am -
1 stop10h 10m
Deal found 10/21![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:47 am -
1 stop9h 23m
Mon 12/72:24 pm -
1 stop8h 35m
Deal found 10/21![American Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop7h 15m
Mon 11/95:05 am -
1 stop8h 16m
Deal found 10/21![United Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:32 pm -
1 stop7h 15m
Mon 11/161:59 pm -
1 stop8h 26m
Deal found 10/21![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:55 pm -
2 stops11h 40m
Mon 11/1612:50 pm -
2 stops8h 25m
Deal found 10/21![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop7h 15m
Sun 11/85:05 am -
1 stop6h 20m
Deal found 10/21![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:20 pm -
2 stops9h 30m
Sat 11/77:45 am -
1 stop9h 55m
Deal found 10/22![Southwest logo]()
$382
Best flights from Boston to HarlingenDiscover carefully curated flight deals from Boston to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Boston to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:32 pm -
1 stop7h 15m
Mon 11/161:59 pm -
1 stop8h 26m
Deal found 10/21![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:20 pm -
2 stops9h 30m
Sat 11/77:45 am -
1 stop9h 55m
Deal found 10/22![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:28 pm -
1 stop8h 20m
Wed 11/115:05 am -
1 stop8h 16m
Deal found 10/21![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:25 pm -
1 stop7h 20m
Mon 11/1612:50 pm -
2 stops8h 25m
Deal found 10/24![Southwest logo]()
$410
Last-minute flights from Boston to HarlingenDiscover last-minute flight deals from Boston to Harlingen. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Harlingen. Data last updated October 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:20 pm -
2 stops9h 30m
Sat 11/77:45 am -
1 stop9h 55m
Deal found 10/22![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop7h 15m
Mon 11/95:05 am -
1 stop8h 16m
Deal found 10/21![United Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop7h 15m
Sun 11/85:05 am -
1 stop6h 20m
Deal found 10/21![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:28 pm -
1 stop8h 20m
Wed 11/111:59 pm -
1 stop8h 26m
Deal found 10/20![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:25 pm -
1 stop7h 20m
Mon 11/1612:50 pm -
2 stops8h 25m
Deal found 10/24![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:32 pm -
1 stop7h 15m
Mon 11/161:59 pm -
1 stop8h 26m
Deal found 10/21![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:55 pm -
2 stops11h 40m
Mon 11/1612:50 pm -
2 stops8h 25m
Deal found 10/21![Southwest logo]()
$369
One-way flights from Boston to HarlingenSearch for one-way flight options from Boston to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Boston to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:35 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$122
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/119:47 am -
1 stop9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$186
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:45 am -
2 stops10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$191
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:20 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$270
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:20 am -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
2 stops10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/26:00 am -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$309
Find flight deals from Boston to Harlingen
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (United Airlines) |
One-way from | $122 (Southwest) |
Popular in | May |
Cheapest in | July |
Average price | $342 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Boston to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Thu 12/10
2:35 pm-8:45 pm
1 stop7h 10m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Fri 12/11
9:47 am-6:10 pm
1 stop9h 23m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$186
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Thu 12/17
11:45 am-9:30 pm
2 stops10h 45m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$191
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Fri 11/6
1:32 pm-7:47 pm
1 stop7h 15m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$270
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Fri 12/11
6:00 am-3:50 pm
2 stops10h 50m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$285
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Thu 12/10
10:00 am-11:14 am
3 stops26h 14m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$317
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Fri 11/13
1:32 pm-7:47 pm
1 stop7h 15m
Harlingen Valley Intl
Mon 11/16
1:59 pm-11:25 pm
1 stop8h 26m
$355
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Wed 11/4
1:20 pm-9:50 pm
2 stops9h 30m
Harlingen Valley Intl
Sat 11/7
7:45 am-6:40 pm
1 stop9h 55m
$382
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Sat 1/2
5:45 am-4:03 pm
2 stops11h 18m
Harlingen Valley Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$384
BostonHarlingen
BOS Boston Logan Intl - HRL Harlingen Valley Intl
BOSHRL
Boston Logan Intl
Tue 11/10
3:28 pm-10:48 pm
1 stop8h 20m
Harlingen Valley Intl
Wed 11/11
5:05 am-2:21 pm
1 stop8h 16m
$397
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Boston to Harlingen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Harlingen in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Harlingen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Boston with our price prediction graph.
BOS-HRL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Harlingen
Reviews of airlines servicing Harlingen
Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated October 25, 2026.
See what other customers who have flown with United Airlines and American Airlines from Boston to Harlingen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Boston to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Boston to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Boston and Harlingen flights
Browse other Boston and Harlingen flight options. Last updated on October 25, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Boston to Harlingen
Discover the top 2 airlines that operate flights from Boston to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$528 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$423 | FlexibilityNo cancel fee | On-time71% |