$319+ Cheap flights from Sioux Falls to Harlingen (FSD - 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — HRL
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Sioux Falls 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 Sioux Falls to Harlingen
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sioux Falls to HarlingenExplore the most affordable flight options available from Sioux Falls to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Sioux Falls to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/235:57 pm -
1 stop24h 54m
Sat 1/92:50 pm -
1 stop6h 04m
Deal found 10/28![American Airlines logo]()
$607
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 12/215:44 am -
1 stop13h 07m
Tue 12/295:44 am -
1 stop5h 40m
Deal found 10/25![American Airlines logo]()
$666
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/235:57 pm -
1 stop24h 54m
Wed 1/132:50 pm -
1 stop6h 04m
Deal found 10/28![American Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/233:11 pm -
2 stops28h 28m
Wed 1/139:20 am -
2 stops13h 01m
Deal found 10/28![United Airlines logo]()
$829
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.
Wed 11/251:13 pm -
1 stop5h 03m
Sun 11/295:40 am -
1 stop6h 53m
Deal found 10/25![American Airlines logo]()
$1,208
Best flights from Sioux Falls to HarlingenDiscover carefully curated flight deals from Sioux Falls to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Sioux Falls to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/71:00 pm -
2 stops8h 59m
Mon 1/112:05 pm -
2 stops9h 39m
Deal found 10/28![United Airlines logo]()
$359
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 12/215:44 am -
1 stop13h 07m
Tue 12/295:44 am -
1 stop5h 40m
Deal found 10/25![American Airlines logo]()
$666
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 1/139:45 am -
2 stops10h 02m
Thu 1/219:20 am -
2 stops13h 01m
Deal found 10/25![United Airlines logo]()
$469
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.
Tue 1/129:45 am -
2 stops12h 14m
Tue 1/192:05 pm -
2 stops9h 39m
Deal found 10/25![United Airlines logo]()
$469
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.
Sat 1/169:25 am -
2 stops12h 25m
Fri 1/222:05 pm -
2 stops9h 39m
Deal found 10/25![United Airlines logo]()
$469
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.
Tue 1/129:45 am -
2 stops10h 02m
Sat 1/232:06 pm -
2 stops9h 38m
Deal found 10/25![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/235:57 pm -
1 stop24h 54m
Sat 1/96:00 am -
2 stops9h 45m
Deal found 10/28![American Airlines logo]()
$730
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.
Thu 1/149:25 am -
2 stops10h 22m
Fri 1/222:05 pm -
2 stops9h 39m
Deal found 10/25![United Airlines logo]()
$549
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.
Fri 1/155:50 am -
2 stops13h 57m
Sat 1/232:06 pm -
2 stops9h 38m
Deal found 10/25![United Airlines logo]()
$647
Last-minute flights from Sioux Falls to HarlingenDiscover last-minute flight deals from Sioux Falls to Harlingen. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Harlingen. Data last updated October 30, 2026 and is based on user searches.
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.
Wed 11/251:13 pm -
1 stop5h 03m
Sun 11/295:40 am -
1 stop6h 53m
Deal found 10/25![American Airlines logo]()
$1,208
One-way flights from Sioux Falls to HarlingenSearch for one-way flight options from Sioux Falls to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Sioux Falls to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
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.
Thu 1/77:00 am -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$319
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/75:45 am -
2 stops10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/235:57 pm -
1 stop24h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/257:36 pm -
2 stops18h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:31 am -
1 stop4h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$520
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:30 am -
3 stops12h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/256:00 am -
3 stops10h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$683
Find flight deals from Sioux Falls to Harlingen
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
One-way from | $319 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls 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 30, 2026.
Use the filters below to find and compare flights from Sioux Falls to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Thu 1/7
7:00 am-2:20 pm
1 stop7h 20m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$319
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Thu 1/7
5:45 am-3:53 pm
2 stops10h 08m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$324
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Thu 1/7
1:00 pm-9:59 pm
2 stops8h 59m
Harlingen Valley Intl
Mon 1/11
2:05 pm-11:44 pm
2 stops9h 39m
$359
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Wed 12/23
5:57 pm-6:51 pm
1 stop24h 54m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$462
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Wed 11/25
7:36 pm-2:30 pm
2 stops18h 54m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$468
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Wed 1/13
9:45 am-7:47 pm
2 stops10h 02m
Harlingen Valley Intl
Thu 1/21
9:20 am-10:21 pm
2 stops13h 01m
$469
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Tue 1/12
9:45 am-9:59 pm
2 stops12h 14m
Harlingen Valley Intl
Tue 1/19
2:05 pm-11:44 pm
2 stops9h 39m
$469
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Sat 1/16
9:25 am-9:50 pm
2 stops12h 25m
Harlingen Valley Intl
Fri 1/22
2:05 pm-11:44 pm
2 stops9h 39m
$469
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Tue 1/12
9:45 am-7:47 pm
2 stops10h 02m
Harlingen Valley Intl
Sat 1/23
2:06 pm-11:44 pm
2 stops9h 38m
$469
Quickest round-trip
Sioux FallsHarlingen
FSD Sioux Falls Joe Foss Field - HRL Harlingen Valley Intl
FSDHRL
Sioux Falls Joe Foss Field
Wed 11/25
8:31 am-1:28 pm
1 stop4h 57m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$520
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Sioux Falls to Harlingen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Harlingen in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Harlingen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sioux Falls to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Sioux Falls with our price prediction graph.
FSD-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.
Reviews of airlines servicing Harlingen
Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with American Airlines from Sioux Falls to Harlingen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.4
Comfort
7.1
Crew
7.9
Food
6.4
Overall
7.0
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Boarding
7.4
Comfort
7.1
Crew
7.9
Food
6.4
Overall
7.0
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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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 30, 2026.
Sioux Falls and Harlingen flights
Browse other Sioux Falls and Harlingen flight options. Last updated on October 30, 2026.
Other flights from Sioux Falls
Browse through other flights departing from Sioux Falls. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Sioux Falls to Harlingen
Discover the top airline that operate flights from Sioux Falls 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$326 | Average$665 | FlexibilityNo cancel fee | On-time71% |