HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Delaware

$120+ Cheap flights from Sioux Falls (FSD) to Delaware

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — ILG
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux Falls to Delaware 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 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 February 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 2/236:14 pm
FSD
-
PHL
1 stop14h 39m
Multiple Airlines
Thu 2/261:02 pm
PHL
-
FSD
2 stops24h 54m
Multiple Airlines
Deal found 2/3$266
This Delta deal was found by Cheapflights users on 2/2. 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 4/101:34 pm
FSD
-
PHL
2 stops10h 23m
Delta
Mon 4/136:58 pm
PHL
-
FSD
1 stop5h 04m
Delta
Deal found 2/2$284
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/173:15 pm
FSD
-
PHL
1 stop4h 54m
United Airlines
Sat 2/218:02 am
PHL
-
FSD
1 stop7h 38m
United Airlines
Deal found 2/3$309
This Delta deal was found by Cheapflights users on 2/2. 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 2/175:00 am
FSD
-
PHL
1 stop4h 35m
Delta
Sat 2/2112:16 pm
PHL
-
FSD
2 stops11h 39m
Delta
Deal found 2/2$314
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 2/97:01 pm
FSD
-
PHL
1 stop13h 52m
Multiple Airlines
Fri 2/139:00 am
PHL
-
FSD
1 stop10h 12m
Multiple Airlines
Deal found 2/3$321
This Delta deal was found by Cheapflights users on 2/2. 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 3/138:00 am
FSD
-
PHL
2 stops10h 49m
Delta
Sat 3/216:00 am
PHL
-
FSD
1 stop7h 53m
Delta
Deal found 2/2$324
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 2/125:00 am
FSD
-
PHL
1 stop4h 35m
Delta
Sun 3/16:10 am
PHL
-
FSD
1 stop4h 58m
Delta
Deal found 2/2$339
This Delta deal was found by Cheapflights users on 2/2. 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 2/2010:55 am
FSD
-
PHL
2 stops7h 30m
Delta
Sun 2/226:10 am
PHL
-
FSD
1 stop4h 58m
Delta
Deal found 2/2$359

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$266
(Kiwi.com)

One-way from

$120
(Trip.com)

Popular in

May

Cheapest in

November

Average price

$326
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Philadelphia flights.
Search Deals
From Sioux Falls Joe Foss Field to Delaware
Search Deals
One-way flight from Sioux Falls Joe Foss Field to Delaware
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 4, 2026.
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

Mon 2/23

6:14 pm-5:44 pm

1 stop22h 30m

Philadelphia

Thu 2/26

5:47 pm-12:56 pm

1 stop20h 09m

$293

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 2/20

2:08 pm-9:54 pm

1 stop6h 46m

Philadelphia

Sun 2/22

5:00 am-12:41 pm

1 stop8h 41m

$309

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 2/17

3:15 pm-9:09 pm

1 stop4h 54m

Philadelphia

Sat 2/21

6:27 am-10:46 am

1 stop5h 19m

$309

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Tue 2/17

5:00 am-10:35 am

1 stop4h 35m

Philadelphia

Sat 2/21

12:16 pm-10:55 pm

2 stops11h 39m

$314

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 2/20

10:55 am-7:25 pm

2 stops7h 30m

Philadelphia

Sun 2/22

6:10 am-10:08 am

1 stop4h 58m

$359

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Thu 4/9

1:41 pm-12:11 am

1 stop9h 30m

Philadelphia

Sun 4/12

6:00 am-11:59 am

1 stop6h 59m

$359

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 3/13

5:55 pm-8:39 am

1 stop13h 44m

Philadelphia

Mon 3/23

6:48 am-5:05 pm

1 stop11h 17m

$426

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Sun 3/15

8:37 pm-5:31 am

2 stops31h 54m

Philadelphia

Wed 3/18

10:18 pm-9:21 am

1 stop12h 03m

$451

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Thu 2/12

2:16 pm-5:55 pm

1 stop26h 39m

$120

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Mon 2/9

7:01 pm-9:53 am

1 stop13h 52m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 12 results
1
2

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 35m. American Airlines provides one of the quickest options available for as low as $314. 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

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 for Sioux Falls to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Denver flights
Sioux Falls to Sky Harbor Intl flights
Sioux Falls to Las Vegas flights
Sioux Falls to Orlando flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Phoenix-Mesa Gateway flights
Sioux Falls to Tampa flights
Sioux Falls to Fort Myers flights
Sioux Falls to Hobby flights
Rapid City to Orlando flights
Sioux Falls to Salt Lake City flights
Sioux Falls to Midway flights
Sioux Falls to San Diego flights
Sioux Falls to Sarasota flights
Rapid City to Dallas/Fort Worth flights
Sioux Falls to Savannah flights
Sioux Falls to Pensacola flights
Sioux Falls to Seattle flights
Sioux Falls to John F Kennedy Intl flights
Rapid City to Sky Harbor Intl flights
Sioux Falls to Newark flights
Sioux Falls to Atlanta flights
Sioux Falls to Miami flights
Sioux Falls to George Bush Intcntl flights
Sioux Falls to Los Angeles flights
Sioux Falls to LaGuardia flights
Rapid City to Seattle flights
Sioux Falls to Reno flights
Rapid City to Las Vegas flights
Sioux Falls to Portland flights
Sioux Falls to Boise flights
Sioux Falls to Detroit flights
Rapid City to O'Hare Intl flights
Sioux Falls to Austin flights
Sioux Falls to Santa Ana flights
Sioux Falls to Honolulu flights
Sioux Falls to Raleigh flights
Sioux Falls to Charlotte flights
Sioux Falls to Key West flights
Sioux Falls to Jacksonville flights
Sioux Falls to Boston flights
Rapid City to Los Angeles flights
Rapid City to Miami flights
Rapid City to Anchorage flights
Sioux Falls to New Orleans flights
Sioux Falls to Nashville flights
Rapid City to San Diego flights
Sioux Falls to Oklahoma City flights
Sioux Falls to Reagan-National flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.