In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest month to fly from Sioux Falls to Delaware?

December is one of the best times of the year to fly to Delaware from Sioux Falls. Prices for December average $502 per person but you can even find prices for as low as $254. The most expensive prices can be found in the month of October. Opting for a December flight can save you 82% on your journey compared to booking in October

What is the cheapest time of day to fly from FSD to DE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to Delaware as you normally would.

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.

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.

$248+ Flights from Sioux Falls to Delaware

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Cheap flight deals from Sioux Falls to Delaware

Round-trip from	$248 (Mytrip)
Popular in	October
Cheapest in	December
Average price	$558

From Sioux Falls Joe Foss Field to Delaware

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($208 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 3, 2025.

Mon 8/188:11 pmFSD - PHL

2 stops15h 50mMultiple Airlines

Fri 8/2210:51 amPHL - FSD

1 stop9h 30mMultiple Airlines

Deal found 7/2

$248

Thu 9/255:29 pmFSD - PHL

1 stop6h 21mAmerican Airlines

Sun 9/286:38 amPHL - FSD

1 stop7h 01mAmerican Airlines

Deal found 7/3

$259

Fri 8/155:00 amFSD - PHL

2 stops12h 21mDelta

Tue 8/196:00 amPHL - FSD

1 stop7h 16mDelta

Deal found 7/3

$264

Mon 8/187:32 pmFSD - PHL

1 stop8h 37mFrontier

Fri 8/226:25 amPHL - FSD

1 stop7h 58mFrontier

Deal found 7/2

$296

Fri 11/216:23 pmFSD - PHL

1 stop4h 52mUnited Airlines

Mon 11/245:07 pmPHL - FSD

1 stop5h 39mUnited Airlines

Deal found 7/3

$339

Best flights from Sioux Falls to Delaware
Discover carefully curated flight deals from Sioux Falls to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 8/188:11 pmFSD - PHL

2 stops15h 50mMultiple Airlines

Fri 8/2210:51 amPHL - FSD

1 stop9h 30mMultiple Airlines

Deal found 7/2

$248

Thu 9/255:29 pmFSD - PHL

1 stop6h 21mAmerican Airlines

Sun 9/286:38 amPHL - FSD

1 stop7h 01mAmerican Airlines

Deal found 7/3

$259

Fri 8/155:00 amFSD - PHL

2 stops12h 21mDelta

Tue 8/196:00 amPHL - FSD

1 stop7h 16mDelta

Deal found 7/3

$264

Mon 8/187:32 pmFSD - PHL

1 stop8h 37mFrontier

Fri 8/226:25 amPHL - FSD

1 stop7h 58mFrontier

Deal found 7/2

$296

Fri 11/216:23 pmFSD - PHL

1 stop4h 52mUnited Airlines

Mon 11/245:07 pmPHL - FSD

1 stop5h 39mUnited Airlines

Deal found 7/3

$339

Last-minute flights from Sioux Falls to Delaware
Discover last-minute flight deals from Sioux Falls to Delaware. Data last updated July 3, 2025 and is based on user searches.

Sun 8/106:49 pmFSD - PHL

3 stops28h 41mUnited Airlines

Wed 8/1310:40 amPHL - FSD

2 stops12h 20mUnited Airlines

Deal found 7/3

$709

Fri 8/156:03 pmFSD - PHL

1 stop5h 21mAmerican Airlines

Tue 8/191:20 pmPHL - FSD

1 stop8h 43mAmerican Airlines

Deal found 7/3

$259

Fri 8/155:00 amFSD - PHL

2 stops12h 21mDelta

Tue 8/196:00 amPHL - FSD

1 stop7h 16mDelta

Deal found 7/3

$264

Mon 8/188:11 pmFSD - PHL

2 stops15h 50mMultiple Airlines

Fri 8/2210:51 amPHL - FSD

1 stop9h 30mMultiple Airlines

Deal found 7/2

$248

Mon 8/187:32 pmFSD - PHL

1 stop8h 37mFrontier

Fri 8/226:25 amPHL - FSD

1 stop7h 58mFrontier

Deal found 7/2

$296

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Mon 8/18

8:11 pm-1:01 pm

2 stops15h 50m

Philadelphia

Fri 8/22

10:51 am-7:21 pm

1 stop9h 30m

$248

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Thu 9/25

5:29 pm-12:50 am

1 stop6h 21m

Philadelphia

Sun 9/28

6:38 am-12:39 pm

1 stop7h 01m

$259

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 8/15

5:00 am-6:21 pm

2 stops12h 21m

Philadelphia

Tue 8/19

6:00 am-12:16 pm

1 stop7h 16m

$264

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Mon 8/18

7:32 pm-5:09 am

1 stop8h 37m

Philadelphia

Fri 8/22

6:25 am-1:23 pm

1 stop7h 58m

$296

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Fri 11/21

6:23 pm-12:15 am

1 stop4h 52m

Philadelphia

Mon 11/24

5:07 pm-9:46 pm

1 stop5h 39m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

Reviews of airlines servicing Delaware

See what other customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Delaware have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,970 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,845 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,284 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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.
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

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$248+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Delaware with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 July 3, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to Delaware

Cheapest flights from Sioux Falls to DelawareExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Delaware that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Delaware

Reviews of airlines servicing Delaware

See what other customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Delaware have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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.

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Book with Flexibility

Travel Smart

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 July 3, 2025.