$165+ Cheap flights from Colorado 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HRL
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Colorado 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 Colorado to Harlingen
Cheapest
Best
Last-minute
One-way
Cheapest flights from Colorado to HarlingenExplore the most affordable flight options available from Colorado to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Colorado to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/103:35 pm -
1 stop6h 13m
Tue 11/175:05 am -
1 stop7h 17m
Deal found 9/7![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 9/7. 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 11/1012:45 pm -
2 stops8h 00m
Tue 11/177:25 am -
1 stop4h 40m
Deal found 9/7![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 9/8. 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 10/25:55 am -
1 stop6h 20m
Mon 10/56:30 pm -
1 stop6h 45m
Deal found 9/8![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/104:44 pm -
1 stop5h 04m
Tue 11/245:25 pm -
1 stop7h 05m
Deal found 9/9![United Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 11/194:44 pm -
1 stop5h 04m
Mon 11/235:25 pm -
1 stop7h 06m
Deal found 9/9![United Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 9/9. 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 11/173:10 pm -
1 stop4h 30m
Mon 11/231:00 pm -
2 stops7h 35m
Deal found 9/9![Southwest logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 11/310:41 am -
1 stop6h 30m
Sat 11/76:41 pm -
1 stop5h 13m
Deal found 9/5![American Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 9/9. 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 11/108:25 am -
1 stop6h 25m
Tue 11/246:35 am -
2 stops6h 10m
Deal found 9/9![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 9/5. 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 11/35:50 am -
1 stop5h 20m
Sat 11/712:45 pm -
2 stops7h 00m
Deal found 9/5![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/101:28 pm -
2 stops8h 20m
Wed 11/115:25 pm -
2 stops7h 34m
Deal found 9/9![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/1210:17 am -
1 stop5h 41m
Mon 9/215:51 am -
1 stop4h 31m
Deal found 9/5![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/157:40 am -
1 stop7h 19m
Sat 9/195:18 pm -
1 stop5h 09m
Deal found 9/5![United Airlines logo]()
$426
Best flights from Colorado to HarlingenDiscover carefully curated flight deals from Colorado to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Colorado to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/103:35 pm -
1 stop6h 13m
Tue 11/175:05 am -
1 stop7h 17m
Deal found 9/7![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 9/8. 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 10/25:55 am -
1 stop6h 20m
Mon 10/56:30 pm -
1 stop6h 45m
Deal found 9/8![Southwest logo]()
$235
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 11/310:41 am -
1 stop6h 30m
Sat 11/76:41 pm -
1 stop5h 13m
Deal found 9/5![American Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 9/6. 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 10/116:05 am -
1 stop6h 18m
Sat 10/172:13 pm -
1 stop6h 53m
Deal found 9/6![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 9/9. 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 11/1012:45 pm -
2 stops8h 00m
Tue 11/246:35 am -
2 stops6h 10m
Deal found 9/9![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/264:44 pm -
1 stop5h 04m
Fri 10/305:05 am -
1 stop4h 57m
Deal found 9/7![United Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 9/7. 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 10/94:45 pm -
2 stops5h 55m
Mon 10/126:30 pm -
1 stop6h 45m
Deal found 9/7![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/101:28 pm -
2 stops8h 20m
Wed 11/115:25 pm -
2 stops7h 34m
Deal found 9/9![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 9/7. 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 9/238:00 am -
2 stops6h 50m
Sun 9/276:00 am -
1 stop6h 10m
Deal found 9/7![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 9/7. 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 2/15:40 am -
1 stop7h 37m
Fri 2/56:41 pm -
2 stops19h 57m
Deal found 9/7![American Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 9/5. 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 9/207:45 am -
1 stop4h 55m
Thu 9/245:30 am -
1 stop6h 05m
Deal found 9/5![Southwest logo]()
$421
Last-minute flights from Colorado to HarlingenDiscover last-minute flight deals from Colorado to Harlingen. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Harlingen. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/1210:17 am -
1 stop5h 41m
Mon 9/215:51 am -
1 stop4h 31m
Deal found 9/5![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 9/1210:27 am -
2 stops10h 25m
Sat 9/195:18 pm -
1 stop5h 09m
Deal found 9/5![United Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/1210:17 am -
1 stop5h 41m
Tue 9/155:51 am -
1 stop4h 31m
Deal found 9/5![American Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 9/8. 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 9/1412:40 pm -
1 stop6h 55m
Wed 9/304:25 pm -
1 stop6h 45m
Deal found 9/8![Southwest logo]()
$340
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/1410:17 am -
1 stop5h 41m
Mon 9/215:51 am -
1 stop4h 31m
Deal found 9/5![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/157:40 am -
1 stop7h 19m
Sat 9/195:18 pm -
1 stop5h 09m
Deal found 9/5![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 9/5. 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 9/191:20 pm -
1 stop6h 40m
Tue 9/223:25 pm -
1 stop5h 25m
Deal found 9/5![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 9/6. 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 9/215:25 am -
1 stop3h 55m
Fri 9/255:55 pm -
1 stop5h 25m
Deal found 9/6![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 9/7. 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 9/2311:05 am -
1 stop4h 40m
Sun 9/276:00 am -
1 stop6h 10m
Deal found 9/7![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 9/8. 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 10/25:55 am -
1 stop6h 20m
Mon 10/56:30 pm -
1 stop6h 45m
Deal found 9/8![Southwest logo]()
$235
This Southwest deal was found by Cheapflights users on 9/7. 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 10/94:10 pm -
1 stop6h 30m
Mon 10/126:30 pm -
1 stop6h 45m
Deal found 9/7![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/264:44 pm -
1 stop5h 04m
Fri 10/305:05 am -
1 stop4h 57m
Deal found 9/8![United Airlines logo]()
$325
One-way flights from Colorado to HarlingenSearch for one-way flight options from Colorado to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Colorado to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/57:33 am -
1 stop5h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/166:05 am -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$173
This Southwest deal was found by Cheapflights users on 9/6. 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 11/54:55 pm -
2 stops5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 9/6. 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 10/163:15 pm -
2 stops6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$214
Find flight deals from Colorado to Harlingen
Keep the following information in mind while searching for Colorado to Harlingen flight deals. Data was last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (United Airlines) |
One-way from | $165 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $388 |
Good round-trip deal | $476 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado 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 September 10, 2026.
Use the filters below to find and compare flights from Colorado to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Thu 11/5
7:33 am-1:56 pm
1 stop5h 23m
Harlingen Valley Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Fri 10/16
6:05 am-1:23 pm
1 stop6h 18m
Harlingen Valley Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Thu 11/5
4:55 pm-11:30 pm
2 stops5h 35m
Harlingen Valley Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Tue 11/10
3:35 pm-10:48 pm
1 stop6h 13m
Harlingen Valley Intl
Tue 11/17
5:05 am-11:22 am
1 stop7h 17m
$217
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Fri 10/2
5:55 am-1:15 pm
1 stop6h 20m
Harlingen Valley Intl
Mon 10/5
6:30 pm-12:15 am
1 stop6h 45m
$235
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Tue 11/3
10:41 am-6:11 pm
1 stop6h 30m
Harlingen Valley Intl
Sat 11/7
6:41 pm-10:54 pm
1 stop5h 13m
$293
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Tue 11/10
12:45 pm-9:45 pm
2 stops8h 00m
Harlingen Valley Intl
Tue 11/24
6:35 am-11:45 am
2 stops6h 10m
$300
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Fri 10/9
4:45 pm-11:40 pm
2 stops5h 55m
Harlingen Valley Intl
Mon 10/12
6:30 pm-12:15 am
1 stop6h 45m
$322
DenverHarlingen
DEN Denver Intl - HRL Harlingen Valley Intl
DENHRL
Denver Intl
Mon 10/26
4:44 pm-10:48 pm
1 stop5h 04m
Harlingen Valley Intl
Fri 10/30
5:05 am-9:02 am
1 stop4h 57m
$325
Colorado SpringsHarlingen
COS Colorado Springs - HRL Harlingen Valley Intl
COSHRL
Colorado Springs
Tue 11/10
1:28 pm-10:48 pm
2 stops8h 20m
Harlingen Valley Intl
Wed 11/11
5:25 pm-11:59 pm
2 stops7h 34m
$361
Showing 1-10 of 14 resultsSorted by cheapest first
Best time to book a flight from Colorado to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Colorado with our price prediction graph.
DEN-HRL
COS-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 Colorado to Harlingen
USCO-HRL
DEN-HRL
COS-HRL
What is the cheapest month to book a flight from Colorado to Harlingen?
Currently, February is the cheapest month in which you can book a flight from Colorado to Harlingen (average of $202). Flying from Colorado to Harlingen in July is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Colorado 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
Top destinations
Alternative routes for Colorado 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 Colorado to Harlingen by cabin class
Find flights from Colorado 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 September 10, 2026.
Colorado and Harlingen flights
Browse other Colorado and Harlingen flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Colorado to Harlingen flights
Consider these flights traveling from Colorado to Harlingen.
Top 2 airlines flying from Colorado to Harlingen
Discover the top 2 airlines that operate flights from Colorado 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$390 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$476 | FlexibilityNo cancel fee | On-time69% |