$563+ Cheap flights from Harlingen (HRL) to Mexico City (MEX)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — MEX
Sep 29 — Oct 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Harlingen to Mexico City 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 Harlingen to Mexico City
Cheapest
Best
Last-minute
Cheapest flights from Harlingen to Mexico CityExplore the most affordable flight options available from Harlingen to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
Explore the most affordable flight options available from Harlingen to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/47:10 am -
1 stop5h 05m
Wed 11/117:50 am -
1 stop5h 31m
Deal found 8/29![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 12/64:39 pm -
1 stop7h 31m
Wed 12/92:40 pm -
1 stop7h 19m
Deal found 8/27![United Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/122:00 pm -
1 stop10h 10m
Mon 10/196:30 am -
1 stop5h 53m
Deal found 8/29![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 11/811:25 am -
1 stop5h 25m
Fri 11/1312:25 pm -
1 stop7h 22m
Deal found 8/27![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:05 am -
1 stop4h 30m
Wed 9/304:40 am -
1 stop7h 43m
Deal found 8/26![United Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 am -
1 stop4h 30m
Fri 10/304:40 am -
1 stop10h 21m
Deal found 8/26![United Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:00 pm -
1 stop4h 50m
Tue 10/132:15 pm -
1 stop6h 37m
Deal found 8/26![United Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/175:05 am -
1 stop4h 30m
Wed 9/234:40 am -
1 stop7h 44m
Deal found 8/27![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 10/115:18 pm -
1 stop16h 17m
Sun 10/184:40 am -
1 stop7h 43m
Deal found 8/27![United Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:18 pm -
1 stop6h 52m
Sun 9/136:30 am -
1 stop8h 29m
Deal found 8/26![United Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:05 am -
1 stop5h 00m
Sun 12/2710:05 am -
1 stop9h 34m
Deal found 8/26![United Airlines logo]()
$779
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/155:51 am -
1 stop5h 29m
Wed 9/165:12 pm -
1 stop15h 46m
Deal found 8/29![American Airlines logo]()
$861
Best flights from Harlingen to Mexico CityDiscover carefully curated flight deals from Harlingen to Mexico City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
Discover carefully curated flight deals from Harlingen to Mexico City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 12/64:39 pm -
1 stop7h 31m
Wed 12/92:40 pm -
1 stop7h 19m
Deal found 8/27![United Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/122:00 pm -
1 stop10h 10m
Mon 10/196:30 am -
1 stop5h 53m
Deal found 8/29![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 11/811:25 am -
1 stop5h 25m
Fri 11/1312:25 pm -
1 stop7h 22m
Deal found 8/27![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:05 am -
1 stop4h 30m
Wed 9/304:40 am -
1 stop7h 43m
Deal found 8/26![United Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 am -
1 stop4h 30m
Fri 10/304:40 am -
1 stop10h 21m
Deal found 8/26![United Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:00 pm -
1 stop4h 50m
Tue 10/132:15 pm -
1 stop6h 37m
Deal found 8/26![United Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 8/29. 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 1/175:16 pm -
1 stop18h 59m
Thu 1/2110:05 am -
1 stop5h 29m
Deal found 8/29![United Airlines logo]()
$693
Last-minute flights from Harlingen to Mexico CityDiscover last-minute flight deals from Harlingen to Mexico City. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Mexico City. Data last updated August 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/57:15 am -
1 stop9h 25m
Mon 9/74:40 am -
1 stop10h 19m
Deal found 8/29![United Airlines logo]()
$931
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:15 am -
2 stops16h 55m
Sun 9/612:10 am -
2 stops36h 14m
Deal found 8/29![Air Canada logo]()
$3,315
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:18 pm -
1 stop6h 52m
Sun 9/136:30 am -
1 stop8h 29m
Deal found 8/26![United Airlines logo]()
$771
This Justfly.com deal was found by Cheapflights users on 8/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:15 am -
2 stops16h 55m
Sat 9/1212:10 am -
2 stops36h 14m
Deal found 8/26![Air Canada logo]()
$3,193
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/155:51 am -
1 stop5h 29m
Wed 9/165:12 pm -
1 stop15h 46m
Deal found 8/29![American Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/175:05 am -
1 stop4h 30m
Wed 9/234:40 am -
1 stop7h 44m
Deal found 8/27![United Airlines logo]()
$725
This Air Canada deal was found by Cheapflights users on 8/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:05 am -
2 stops19h 05m
Tue 9/2212:10 am -
2 stops18h 29m
Deal found 8/27![Multiple Airlines logo]()
$1,302
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:05 am -
1 stop4h 30m
Wed 9/304:40 am -
1 stop7h 43m
Deal found 8/26![United Airlines logo]()
$635
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:05 am -
2 stops19h 05m
Tue 9/2912:10 am -
2 stops14h 49m
Deal found 8/26![Multiple Airlines logo]()
$3,510
Find flight deals from Harlingen to Mexico City
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Mexico City (MEX). 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 August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $563 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Mexico City 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 August 30, 2026.
Use the filters below to find and compare flights from Harlingen to Mexico City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Sun 12/6
4:39 pm-12:10 am
1 stop7h 31m
Mexico City Benito Juarez
Wed 12/9
2:40 pm-9:59 pm
1 stop7h 19m
$593
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Mon 10/12
2:00 pm-11:10 pm
1 stop10h 10m
Mexico City Benito Juarez
Mon 10/19
6:30 am-1:23 pm
1 stop5h 53m
$599
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Sun 11/8
11:25 am-4:50 pm
1 stop5h 25m
Mexico City Benito Juarez
Fri 11/13
12:25 pm-7:47 pm
1 stop7h 22m
$623
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Wed 9/23
5:05 am-8:35 am
1 stop4h 30m
Mexico City Benito Juarez
Wed 9/30
4:40 am-1:23 pm
1 stop7h 43m
$635
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Fri 10/23
5:05 am-8:35 am
1 stop4h 30m
Mexico City Benito Juarez
Fri 10/30
4:40 am-4:01 pm
1 stop10h 21m
$639
Quickest round-trip
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Fri 10/9
2:00 pm-5:50 pm
1 stop4h 50m
Mexico City Benito Juarez
Tue 10/13
2:15 pm-9:52 pm
1 stop6h 37m
$655
HarlingenMexico City
HRL Harlingen Valley Intl - MEX Mexico City Benito Juarez
HRLMEX
Harlingen Valley Intl
Sun 1/17
5:16 pm-12:15 pm
1 stop18h 59m
Mexico City Benito Juarez
Thu 1/21
10:05 am-3:34 pm
1 stop5h 29m
$693
Sorted by cheapest first
Compare providers for flights from Harlingen to Mexico City
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 Harlingen to Mexico City in August.
| 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 Harlingen-Mexico City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Mexico City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Mexico City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Mexico City 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 Harlingen-Mexico City 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 Harlingen to Mexico City
Have a flexible travel schedule? Discover the best time to fly to Mexico City from Harlingen with our price prediction graph.
HRL-MEX
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.
Related info for your journey
Find useful and relevant information for your journey from Harlingen to Mexico City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Mexico City?
Book flights to Mexico City if you plan to visit one of these locationsTaxco
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
Mexico City flight routes
Other flight options
Other flights from Harlingen
Popular flights