$469+ Cheap flights from Idaho to Harlingen (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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HRL
Nov 26 — Dec 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Idaho to Harlingen
Cheapest
Best
Last-minute
Cheapest flights from Idaho to HarlingenExplore the most affordable flight options available from Idaho to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
Explore the most affordable flight options available from Idaho to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
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.
Sun 11/82:41 pm -
1 stop7h 18m
Wed 11/115:40 am -
1 stop9h 11m
Deal found 10/25![American Airlines logo]()
$469
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.
Mon 11/92:41 pm -
1 stop7h 18m
Fri 11/1310:44 am -
2 stops9h 40m
Deal found 10/25![American Airlines logo]()
$474
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:30 pm -
2 stops8h 00m
Fri 11/134:45 pm -
2 stops9h 10m
Deal found 10/25![Southwest logo]()
$479
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:40 pm -
2 stops8h 25m
Thu 12/3112:50 pm -
2 stops9h 50m
Deal found 10/25![Southwest logo]()
$498
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:55 pm -
2 stops6h 40m
Wed 11/116:20 am -
2 stops9h 50m
Deal found 10/25![Southwest logo]()
$514
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/112:41 pm -
1 stop7h 18m
Sun 11/155:40 am -
1 stop6h 45m
Deal found 10/27![American Airlines logo]()
$552
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.
Thu 10/297:55 am -
2 stops8h 55m
Tue 11/37:25 am -
2 stops9h 25m
Deal found 10/22![Southwest logo]()
$569
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:41 pm -
1 stop7h 09m
Tue 11/35:40 am -
2 stops8h 43m
Deal found 10/22![American Airlines logo]()
$728
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:45 am -
2 stops9h 00m
Tue 12/812:50 pm -
2 stops9h 50m
Deal found 10/25![Southwest logo]()
$769
Best flights from Idaho to HarlingenDiscover carefully curated flight deals from Idaho to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from Idaho to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
This Southwest deal was found by Cheapflights users on 10/27. 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 11/1111:40 am -
2 stops8h 05m
Sun 11/155:50 pm -
2 stops8h 05m
Deal found 10/27![Southwest logo]()
$514
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:50 pm -
1 stop8h 04m
Sun 1/35:44 am -
1 stop6h 47m
Deal found 10/24![American Airlines logo]()
$770
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:00 am -
2 stops10h 01m
Wed 11/111:59 pm -
3 stops10h 34m
Deal found 10/25![United Airlines logo]()
$839
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:45 am -
2 stops9h 00m
Tue 12/812:50 pm -
2 stops9h 50m
Deal found 10/25![Southwest logo]()
$769
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/2510:40 am -
2 stops10h 19m
Sun 1/35:22 pm -
2 stops17h 37m
Deal found 10/27![United Airlines logo]()
$1,052
This Southwest deal was found by Cheapflights users on 10/27. 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 11/255:05 am -
2 stops8h 55m
Sun 11/296:30 pm -
2 stops7h 10m
Deal found 10/27![Southwest logo]()
$958
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/115:00 am -
3 stops10h 01m
Sun 11/155:05 am -
2 stops9h 40m
Deal found 10/27![United Airlines logo]()
$1,152
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 11/256:44 am -
1 stop6h 36m
Sun 11/296:46 pm -
1 stop20h 08m
Deal found 10/26![American Airlines logo]()
$1,378
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:34 am -
3 stops11h 14m
Mon 11/301:59 pm -
2 stops10h 00m
Deal found 10/25![United Airlines logo]()
$1,423
Last-minute flights from Idaho to HarlingenDiscover last-minute flight deals from Idaho to Harlingen. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Harlingen. Data last updated October 27, 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.
Thu 10/297:55 am -
2 stops8h 55m
Tue 11/37:25 am -
2 stops9h 25m
Deal found 10/22![Southwest logo]()
$569
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:41 pm -
1 stop7h 09m
Tue 11/35:40 am -
2 stops8h 43m
Deal found 10/22![American Airlines logo]()
$728
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.
Sun 11/82:41 pm -
1 stop7h 18m
Wed 11/115:40 am -
1 stop9h 11m
Deal found 10/25![American Airlines logo]()
$469
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:55 pm -
2 stops6h 40m
Wed 11/116:20 am -
2 stops9h 50m
Deal found 10/25![Southwest logo]()
$514
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:00 am -
2 stops10h 01m
Wed 11/111:59 pm -
3 stops10h 34m
Deal found 10/25![United Airlines logo]()
$839
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.
Mon 11/92:41 pm -
1 stop7h 18m
Fri 11/1310:44 am -
2 stops9h 40m
Deal found 10/25![American Airlines logo]()
$474
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:30 pm -
2 stops8h 00m
Fri 11/134:45 pm -
2 stops9h 10m
Deal found 10/25![Southwest logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/112:41 pm -
1 stop7h 18m
Sun 11/155:40 am -
1 stop6h 45m
Deal found 10/27![American Airlines logo]()
$552
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:45 am -
2 stops9h 00m
Tue 12/812:50 pm -
2 stops9h 50m
Deal found 10/25![Southwest logo]()
$769
Find flight deals from Idaho to Harlingen
Keep the following information in mind while searching for Idaho to Harlingen flight deals. Data was last updated October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $469 (American Airlines) |
Popular in | May |
Cheapest in | June |
Average price | $400 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 27, 2026.
Use the filters below to find and compare flights from Idaho to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Wed 11/11
11:40 am-8:45 pm
2 stops8h 05m
Harlingen Valley Intl
Sun 11/15
5:50 pm-12:55 am
2 stops8h 05m
$514
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Sat 11/28
7:45 am-5:45 pm
2 stops9h 00m
Harlingen Valley Intl
Tue 12/8
12:50 pm-9:40 pm
2 stops9h 50m
$769
Quickest round-trip
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Fri 12/25
1:50 pm-10:54 pm
1 stop8h 04m
Harlingen Valley Intl
Sun 1/3
5:44 am-11:31 am
1 stop6h 47m
$770
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Sun 11/8
5:00 am-4:01 pm
2 stops10h 01m
Harlingen Valley Intl
Wed 11/11
1:59 pm-11:33 pm
3 stops10h 34m
$839
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Wed 11/25
5:05 am-3:00 pm
2 stops8h 55m
Harlingen Valley Intl
Sun 11/29
6:30 pm-12:40 am
2 stops7h 10m
$958
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Fri 12/25
10:40 am-9:59 pm
2 stops10h 19m
Harlingen Valley Intl
Sun 1/3
5:22 pm-9:59 am
2 stops17h 37m
$1,052
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Wed 11/11
5:00 am-4:01 pm
3 stops10h 01m
Harlingen Valley Intl
Sun 11/15
5:05 am-1:45 pm
2 stops9h 40m
$1,152
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Wed 11/25
6:44 am-2:20 pm
1 stop6h 36m
Harlingen Valley Intl
Sun 11/29
6:46 pm-1:54 pm
1 stop20h 08m
$1,378
BoiseHarlingen
BOI Boise Air Term. Gowen Fld - HRL Harlingen Valley Intl
BOIHRL
Boise Air Term. Gowen Fld
Wed 11/25
10:34 am-10:48 pm
3 stops11h 14m
Harlingen Valley Intl
Mon 11/30
1:59 pm-10:59 pm
2 stops10h 00m
$1,423
Sorted by cheapest first
Best time to book a flight from Idaho to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Idaho with our price prediction graph.
BOI-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 Idaho to Harlingen
USID-HRL
BOI-HRL
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Harlingen flight routes
Other flight options
Popular flights
Alternative routes for Idaho to Harlingen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Harlingen by cabin class
Find flights from Idaho 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 27, 2026.
Idaho and Harlingen flights
Browse other Idaho and Harlingen flight options. Last updated on October 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Idaho to Harlingen
Discover the top 2 airlines that operate flights from Idaho 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$459 | FlexibilityNo cancel fee | On-time63% |