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Delaware

$238+ Cheap flights from Sioux Falls (FSD) to Delaware

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — ILG
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Sioux Falls to Delaware

Keep the following information in mind while searching for Sioux Falls to Delaware flight deals. Data was last updated September 15, 2025.

Round-trip from

$238
(Frontier)

Popular in

October

Cheapest in

December

Average price

$323
From Sioux Falls Joe Foss Field to Delaware
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Sioux Falls to Delaware

Cheapest flights from Sioux Falls to Delaware
Explore the most affordable flight options available from Sioux Falls to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:28 pmFSD - PHL
1 stop8h 51mFrontier
Mon 10/206:42 amPHL - FSD
1 stop12h 51mFrontier
Deal found 9/13$238
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 11/115:18 amFSD - PHL
1 stop4h 33mDelta
Tue 11/186:59 pmPHL - FSD
1 stop5h 01mDelta
Deal found 9/13$259
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/265:33 pmFSD - PHL
1 stop6h 37mAmerican Airlines
Sun 9/286:38 amPHL - FSD
1 stop7h 01mAmerican Airlines
Deal found 9/12$289
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 9/305:30 amFSD - PHL
2 stops10h 08mDelta
Sat 10/46:00 amPHL - FSD
1 stop5h 07mDelta
Deal found 9/14$294
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/2110:59 amFSD - PHL
1 stop7h 43mAmerican Airlines
Mon 11/247:35 amPHL - FSD
1 stop6h 38mAmerican Airlines
Deal found 9/13$299
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:28 pmFSD - PHL
1 stop8h 51mFrontier
Mon 10/136:42 amPHL - FSD
1 stop12h 51mFrontier
Deal found 9/14$309
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:32 pmFSD - PHL
1 stop13h 17mMultiple Airlines
Sun 11/1612:23 pmPHL - FSD
1 stop23h 23mMultiple Airlines
Deal found 9/13$310
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/256:00 pmFSD - PHL
1 stop5h 45mAmerican Airlines
Mon 9/291:19 pmPHL - FSD
1 stop9h 04mAmerican Airlines
Deal found 9/13$329

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Delaware 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 September 15, 2025.
Use the filters below to find and compare flights from Sioux Falls to Delaware that are best for you.

Fly from

Sioux Falls

Fly to

Delaware

Route

Depart

Return

Price

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 10/17

7:28 pm-5:19 am

1 stop8h 51m

Philadelphia

Mon 10/20

6:42 am-6:33 pm

1 stop12h 51m

$238

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 3/3

5:15 am-10:43 am

1 stop4h 28m

Philadelphia

Sat 3/7

6:15 am-12:35 pm

1 stop7h 20m

$259

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 11/11

5:18 am-10:51 am

1 stop4h 33m

Philadelphia

Tue 11/18

6:59 pm-11:00 pm

1 stop5h 01m

$259

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 9/26

5:33 pm-1:10 am

1 stop6h 37m

Philadelphia

Sun 9/28

6:38 am-12:39 pm

1 stop7h 01m

$289

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 9/30

5:30 am-1:35 pm

1 stop7h 05m

Philadelphia

Sat 10/4

6:00 am-10:07 am

1 stop5h 07m

$289

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 11/21

10:59 am-7:42 pm

1 stop7h 43m

Philadelphia

Mon 11/24

7:35 am-1:13 pm

1 stop6h 38m

$299

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 9/23

1:19 pm-11:29 pm

1 stop9h 10m

$368

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 9/23

5:46 pm-11:55 pm

1 stop5h 09m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Sioux Falls to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Sioux Falls with our price prediction graph.
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 Sioux Falls to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux Falls to Delaware?

    Most people fly from Sioux Falls Joe Foss Field (FSD) if they book a flight from Sioux Falls to Delaware. Sioux Falls Joe Foss Field is conveniently located just 2.6 mi from Sioux Falls’s city center.

  • How long is the flight from Sioux Falls to Delaware?

    A quick flight from Sioux Falls to Delaware can take about 4h 28m. Frontier provides one of the quickest options available for as low as $259. The distance between Sioux Falls and Delaware is about 1134 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Sioux Falls to Delaware that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Delaware.

  • Can I find deals for business class flights from Sioux Falls to Delaware?

    Yes. Cheapflights offers flight deals from Sioux Falls to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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