$109+ Cheap flights from Missouri to Harlingen (HRL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — HRL
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Cheapest flights from Missouri to HarlingenExplore the most affordable flight options available from Missouri to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Missouri to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 7/255:10 am
MCI
- HRL
1 stop5h 35m
Southwest
Wed 7/292:10 pm
HRL
- MCI
1 stop5h 10m
Southwest
Deal found 6/8![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 6/8. 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 7/244:55 pm
MCI
- HRL
2 stops6h 50m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$222
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/65:31 am
MCI
- HRL
1 stop4h 41m
American Airlines
Mon 7/138:04 pm
HRL
- MCI
1 stop4h 19m
American Airlines
Deal found 6/5![American Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:31 am
MCI
- HRL
1 stop4h 42m
American Airlines
Tue 7/76:00 am
HRL
- MCI
1 stop4h 34m
American Airlines
Deal found 6/8![American Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 6/8. 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 7/244:55 pm
MCI
- HRL
2 stops6h 50m
Southwest
Tue 7/2812:45 pm
HRL
- MCI
1 stop3h 55m
Southwest
Deal found 6/8![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sun 7/197:45 pm
MCI
- HRL
1 stop4h 10m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 6/8. 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 7/207:50 pm
MCI
- HRL
1 stop3h 55m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/298:22 am
MCI
- HRL
1 stop5h 01m
United Airlines
Wed 9/305:05 am
HRL
- MCI
1 stop5h 01m
United Airlines
Deal found 6/4![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 8/16:45 pm
STL
- HRL
1 stop4h 00m
Southwest
Fri 8/76:20 am
HRL
- STL
2 stops13h 35m
Southwest
Deal found 6/8![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/2011:10 am
STL
- HRL
1 stop4h 48m
United Airlines
Wed 10/217:15 am
HRL
- STL
1 stop6h 52m
United Airlines
Deal found 6/4![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/128:35 am
STL
- HRL
1 stop7h 24m
United Airlines
Sun 7/195:10 am
HRL
- STL
1 stop4h 57m
United Airlines
Deal found 6/4![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 9/185:43 am
STL
- HRL
1 stop4h 15m
American Airlines
Mon 9/215:51 am
HRL
- STL
1 stop6h 24m
American Airlines
Deal found 6/6![American Airlines logo]()
$393
Best flights from Missouri to HarlingenDiscover carefully curated flight deals from Missouri to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Missouri to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 7/255:10 am
MCI
- HRL
1 stop5h 35m
Southwest
Wed 7/292:10 pm
HRL
- MCI
1 stop5h 10m
Southwest
Deal found 6/8![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:22 am
MCI
- HRL
1 stop5h 01m
United Airlines
Wed 9/305:05 am
HRL
- MCI
1 stop5h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/8. 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 7/247:50 pm
MCI
- HRL
1 stop3h 55m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 6/8. 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 7/247:50 pm
MCI
- HRL
1 stop3h 55m
Southwest
Tue 7/2812:45 pm
HRL
- MCI
1 stop3h 55m
Southwest
Deal found 6/8![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sun 7/197:45 pm
MCI
- HRL
1 stop4h 10m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/5. 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 10/203:12 pm
STL
- HRL
1 stop6h 40m
United Airlines
Wed 10/217:15 am
HRL
- STL
1 stop6h 55m
United Airlines
Deal found 6/5![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 6/5. 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.
Thu 9/246:35 am
MCI
- HRL
1 stop3h 45m
Southwest
Sun 10/49:55 am
HRL
- MCI
1 stop4h 15m
Southwest
Deal found 6/5![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 6/5. 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.
Mon 7/66:50 am
MCI
- HRL
1 stop10h 10m
Southwest
Mon 7/136:30 pm
HRL
- MCI
2 stops6h 05m
Southwest
Deal found 6/5![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 6/8. 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 7/204:55 pm
MCI
- HRL
2 stops6h 50m
Southwest
Thu 7/306:30 pm
HRL
- MCI
2 stops6h 05m
Southwest
Deal found 6/8![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 8/16:45 pm
STL
- HRL
1 stop4h 00m
Southwest
Fri 8/76:20 am
HRL
- STL
2 stops13h 35m
Southwest
Deal found 6/8![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 6/7. 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.
Sat 7/255:45 am
STL
- HRL
1 stop5h 00m
Southwest
Thu 7/306:30 pm
HRL
- STL
1 stop6h 15m
Southwest
Deal found 6/7![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 6/8. 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 7/68:10 am
STL
- HRL
2 stops9h 45m
Southwest
Mon 7/135:15 am
HRL
- STL
1 stop4h 10m
Southwest
Deal found 6/8![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 6/6. 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 9/185:50 pm
STL
- HRL
1 stop4h 10m
Southwest
Mon 9/2111:55 am
HRL
- STL
2 stops8h 00m
Southwest
Deal found 6/6![Southwest logo]()
$412
Last-minute flights from Missouri to HarlingenDiscover last-minute flight deals from Missouri to Harlingen. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Harlingen. Data last updated June 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/4. 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 6/98:30 am
STL
- HRL
1 stop5h 00m
Southwest
Thu 6/115:15 am
HRL
- STL
1 stop4h 10m
Southwest
Deal found 6/4![Southwest logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/128:35 am
STL
- HRL
1 stop7h 24m
United Airlines
Sun 7/195:10 am
HRL
- STL
1 stop4h 57m
United Airlines
Deal found 6/4![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:29 am
STL
- HRL
1 stop4h 44m
American Airlines
Wed 6/244:57 pm
HRL
- STL
1 stop7h 02m
American Airlines
Deal found 6/8![American Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:31 am
MCI
- HRL
1 stop4h 42m
American Airlines
Tue 7/76:00 am
HRL
- MCI
1 stop4h 34m
American Airlines
Deal found 6/8![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/65:31 am
MCI
- HRL
1 stop4h 41m
American Airlines
Mon 7/138:04 pm
HRL
- MCI
1 stop4h 19m
American Airlines
Deal found 6/5![American Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 6/8. 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 7/68:10 am
STL
- HRL
2 stops9h 45m
Southwest
Mon 7/135:15 am
HRL
- STL
1 stop4h 10m
Southwest
Deal found 6/8![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sun 7/197:45 pm
MCI
- HRL
1 stop4h 10m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 6/8. 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 7/207:50 pm
MCI
- HRL
1 stop3h 55m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 6/8. 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 7/244:55 pm
MCI
- HRL
2 stops6h 50m
Southwest
Thu 7/306:30 pm
HRL
- MCI
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 6/8. 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 7/244:55 pm
MCI
- HRL
2 stops6h 50m
Southwest
Tue 7/2812:45 pm
HRL
- MCI
1 stop3h 55m
Southwest
Deal found 6/8![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 7/255:10 am
MCI
- HRL
1 stop5h 35m
Southwest
Wed 7/292:10 pm
HRL
- MCI
1 stop5h 10m
Southwest
Deal found 6/8![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 6/7. 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.
Sat 7/255:45 am
STL
- HRL
1 stop5h 00m
Southwest
Thu 7/306:30 pm
HRL
- STL
1 stop6h 15m
Southwest
Deal found 6/7![Southwest logo]()
$399
One-way flights from Missouri to HarlingenSearch for one-way flight options from Missouri to Harlingen. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Missouri to Harlingen. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 11/118:50 am
STL
- HRL
1 stop6h 44m
United Airlines
Deal found 6/9![United Airlines logo]()
$109
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 9/235:28 am
MCI
- HRL
1 stop4h 30m
American Airlines
Deal found 6/5![American Airlines logo]()
$109
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:28 am
MCI
- HRL
1 stop4h 30m
American Airlines
Deal found 6/9![American Airlines logo]()
$128
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 11/118:25 am
STL
- HRL
2 stops7h 20m
Southwest
Deal found 6/9![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 6/8. 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.
Thu 7/236:50 pm
STL
- HRL
1 stop4h 55m
Southwest
Deal found 6/8![Southwest logo]()
$160
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:53 pm
MCI
- HRL
1 stop4h 12m
American Airlines
Deal found 6/8![American Airlines logo]()
$160
This Southwest deal was found by Cheapflights users on 6/7. 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.
Sat 8/16:45 pm
STL
- HRL
1 stop4h 00m
Southwest
Deal found 6/7![Southwest logo]()
$165
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sun 7/197:45 pm
MCI
- HRL
1 stop4h 10m
Southwest
Deal found 6/8![Southwest logo]()
$170
This Southwest deal was found by Cheapflights users on 6/9. 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.
Sun 9/68:30 am
STL
- HRL
1 stop4h 45m
Southwest
Deal found 6/9![Southwest logo]()
$196
This Southwest deal was found by Cheapflights users on 6/8. 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 7/245:35 pm
STL
- HRL
2 stops6h 10m
Southwest
Deal found 6/8![Southwest logo]()
$209
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:32 am
STL
- HRL
1 stop4h 40m
American Airlines
Deal found 6/8![American Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 7/266:14 am
STL
- HRL
1 stop7h 16m
United Airlines
Deal found 6/8![United Airlines logo]()
$570
Find flight deals from Missouri to Harlingen
Keep the following information in mind while searching for Missouri to Harlingen flight deals. Data was last updated June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $109 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $397 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 2,558,603 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Missouri to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Sat 7/25
5:10 am-10:45 am
1 stop5h 35m
Harlingen Valley Intl
Wed 7/29
2:10 pm-7:20 pm
1 stop5h 10m
$217
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Fri 7/24
7:50 pm-11:45 pm
1 stop3h 55m
Harlingen Valley Intl
Thu 7/30
6:30 pm-12:55 am
1 stop6h 25m
$217
Quickest round-trip
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Fri 7/24
7:50 pm-11:45 pm
1 stop3h 55m
Harlingen Valley Intl
Tue 7/28
12:45 pm-4:40 pm
1 stop3h 55m
$268
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Sun 7/19
7:45 pm-11:55 pm
1 stop4h 10m
Harlingen Valley Intl
Thu 7/30
6:30 pm-12:55 am
1 stop6h 25m
$278
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Thu 9/24
6:35 am-10:20 am
1 stop3h 45m
Harlingen Valley Intl
Sun 10/4
9:55 am-2:10 pm
1 stop4h 15m
$287
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Tue 9/29
8:22 am-1:23 pm
1 stop5h 01m
Harlingen Valley Intl
Wed 9/30
5:05 am-10:06 am
1 stop5h 01m
$297
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Mon 7/6
6:50 am-5:00 pm
1 stop10h 10m
Harlingen Valley Intl
Mon 7/13
6:30 pm-12:35 am
2 stops6h 05m
$319
Kansas CityHarlingen
MCI - HRL
MCIHRL
Kansas City
Mon 7/20
4:55 pm-11:45 pm
2 stops6h 50m
Harlingen Valley Intl
Thu 7/30
6:30 pm-12:35 am
2 stops6h 05m
$332
St. LouisHarlingen
STL - HRL
STLHRL
Lambert-St Louis
Sat 8/1
6:45 pm-10:45 pm
1 stop4h 00m
Harlingen Valley Intl
Fri 8/7
6:20 am-7:55 pm
2 stops13h 35m
$345
St. LouisHarlingen
STL - HRL
STLHRL
Lambert-St Louis
Tue 10/20
3:12 pm-9:52 pm
1 stop6h 40m
Harlingen Valley Intl
Wed 10/21
7:15 am-2:10 pm
1 stop6h 55m
$367
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Missouri to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Missouri with our price prediction graph.
MCI-HRL
STL-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.
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Everything you need to know about your flight from Missouri to Harlingen
USMO-HRL
MCI-HRL
STL-HRL
What is the cheapest month to book a flight from Missouri to Harlingen?
Currently, November is the cheapest month in which you can book a flight from Missouri to Harlingen (average of $196). Flying from Missouri to Harlingen in December is currently the most expensive (average of $407). 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.
How much does it cost to fly round-trip from Missouri to Harlingen?
Related info for your journey
Find useful and relevant information for your journey from Missouri 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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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 June 9, 2026.
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Missouri to Harlingen flights
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Top 2 airlines flying from Missouri to Harlingen
Discover the top 2 airlines that operate flights from Missouri 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 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$347 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$390 | FlexibilityNo cancel fee | On-time71% |