What are the cheapest airlines to fly from South Dakota to Delaware one-way?

$125 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $231 and $276, respectively.

What is the cheapest month to fly from South Dakota to Delaware?

Flights from South Dakota to Delaware lean towards being more expensive in October. Prices are generally better when you fly from South Dakota to Delaware in December, with the cheapest ticket starting at $254.

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

When flying from South Dakota to Delaware, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from South Dakota to Delaware that include hotel bookings?

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

How can I find direct flights from South Dakota to Delaware?

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

Can I find deals for business class flights from South Dakota to Delaware?

Yes. Cheapflights offers flight deals from South Dakota 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.

$125+ Flights from South Dakota to Delaware

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Cheap flight deals from South Dakota to Delaware

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$348 (Mytrip)
One-way from	$125 (Frontier)
Popular in	October
Cheapest in	December
Average price	$297

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Philadelphia flight deals.

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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Philadelphia flights.

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From South Dakota to Delaware

Search Deals

One-way flight from South Dakota to Delaware

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($198 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from South Dakota to Delaware

Cheapest flights from South Dakota to Delaware
Explore the most affordable flight options available from South Dakota to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Fri 6/2011:59 amFSD - PHL

1 stop16h 45mMultiple Airlines

Tue 6/246:20 pmPHL - FSD

1 stop19h 34mMultiple Airlines

Deal found 4/22

$348

Wed 6/111:09 pmFSD - PHL

1 stop8h 36mAmerican Airlines

Tue 6/1712:49 pmPHL - FSD

1 stop5h 37mAmerican Airlines

Deal found 4/22

$377

Wed 6/116:00 amFSD - PHL

2 stops9h 16mDelta

Tue 6/176:00 amPHL - FSD

1 stop7h 16mDelta

Deal found 4/22

$382

Thu 7/244:40 pmRAP - PHL

1 stop4h 59mDelta

Mon 7/286:15 amPHL - RAP

1 stop5h 37mDelta

Deal found 4/22

$401

Thu 10/210:15 amRAP - PHL

2 stops12h 22mUnited Airlines

Sun 10/56:30 amPHL - RAP

1 stop5h 44mUnited Airlines

Deal found 4/22

$486

Mon 5/54:53 pmFSD - PHL

1 stop21h 51mUnited Airlines

Mon 5/129:45 amPHL - FSD

1 stop12h 04mUnited Airlines

Deal found 4/21

$519

Fri 5/235:36 amRAP - PHL

1 stop6h 35mAmerican Airlines

Mon 5/265:00 amPHL - RAP

1 stop8h 19mAmerican Airlines

Deal found 4/22

$570

Best flights from South Dakota to Delaware
Discover carefully curated flight deals from South Dakota to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Fri 6/2011:59 amFSD - PHL

1 stop16h 45mMultiple Airlines

Tue 6/246:20 pmPHL - FSD

1 stop19h 34mMultiple Airlines

Deal found 4/22

$348

Wed 6/111:09 pmFSD - PHL

1 stop8h 36mAmerican Airlines

Tue 6/1712:49 pmPHL - FSD

1 stop5h 37mAmerican Airlines

Deal found 4/22

$377

Wed 6/116:00 amFSD - PHL

2 stops9h 16mDelta

Tue 6/176:00 amPHL - FSD

1 stop7h 16mDelta

Deal found 4/22

$382

Thu 10/210:15 amRAP - PHL

2 stops12h 22mUnited Airlines

Sun 10/56:30 amPHL - RAP

1 stop5h 44mUnited Airlines

Deal found 4/22

$486

Thu 7/244:40 pmRAP - PHL

1 stop4h 59mDelta

Mon 7/286:15 amPHL - RAP

1 stop5h 37mDelta

Deal found 4/22

$401

Mon 5/54:53 pmFSD - PHL

1 stop21h 51mUnited Airlines

Mon 5/129:45 amPHL - FSD

1 stop12h 04mUnited Airlines

Deal found 4/21

$519

Fri 5/235:36 amRAP - PHL

1 stop6h 35mAmerican Airlines

Mon 5/265:00 amPHL - RAP

1 stop8h 19mAmerican Airlines

Deal found 4/22

$570

Last-minute flights from South Dakota to Delaware
Discover last-minute flight deals from South Dakota to Delaware. Data last updated April 22, 2025 and is based on user searches.

Wed 4/305:00 amFSD - PHL

1 stop4h 36mDelta

Sat 5/36:00 amPHL - FSD

1 stop6h 44mDelta

Deal found 4/22

$559

Fri 5/29:59 pmFSD - PHL

1 stop30h 53mMultiple Airlines

Sun 5/48:00 amPHL - FSD

2 stops26h 10mMultiple Airlines

Deal found 4/22

$379

Mon 5/54:53 pmFSD - PHL

1 stop21h 51mUnited Airlines

Mon 5/129:45 amPHL - FSD

1 stop12h 04mUnited Airlines

Deal found 4/21

$519

Fri 5/94:10 pmFSD - PHL

1 stop6h 48mAmerican Airlines

Fri 5/1610:11 amPHL - FSD

1 stop7h 54mAmerican Airlines

Deal found 4/22

$757

Fri 5/165:00 amFSD - PHL

1 stop5h 00mDelta

Mon 5/196:15 pmPHL - FSD

1 stop6h 10mDelta

Deal found 4/22

$507

Wed 5/216:33 amRAP - PHL

1 stop5h 27mDelta

Sun 5/256:59 pmPHL - RAP

1 stop5h 35mDelta

Deal found 4/21

$401

Thu 5/226:20 amRAP - PHL

1 stop16h 25mUnited Airlines

Mon 5/2610:35 amPHL - RAP

2 stops12h 51mUnited Airlines

Deal found 4/21

$573

Fri 5/235:36 amRAP - PHL

1 stop6h 35mAmerican Airlines

Mon 5/265:00 amPHL - RAP

1 stop8h 19mAmerican Airlines

Deal found 4/22

$570

One-way flights from South Dakota to Delaware
Search for one-way flight options from South Dakota to Delaware. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Sun 6/83:58 pmFSD - PHL

1 stop12h 12mFrontier

Deal found 4/21

$125

Wed 4/301:39 pmFSD - PHL

1 stop15h 13mMultiple Airlines

Deal found 4/22

$134

Wed 6/1112:03 pmRAP - PHL

1 stop8h 42mAmerican Airlines

Deal found 4/21

$231

Wed 6/111:38 pmRAP - PHL

2 stops7h 51mUnited Airlines

Deal found 4/21

$276

Sat 5/34:20 pmFSD - PHL

1 stop6h 30mDelta

Deal found 4/22

$280

Mon 6/306:30 pmFSD - PHL

2 stops18h 38mUnited Airlines

Deal found 4/22

$290

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota 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

Fri 6/20

11:59 am-5:44 am

1 stop16h 45m

Philadelphia

Tue 6/24

6:20 pm-12:54 pm

1 stop19h 34m

$348

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Wed 6/11

1:09 pm-10:45 pm

1 stop8h 36m

Philadelphia

Tue 6/17

12:49 pm-5:26 pm

1 stop5h 37m

$377

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Wed 6/11

6:00 am-4:16 pm

2 stops9h 16m

Philadelphia

Tue 6/17

6:00 am-12:16 pm

1 stop7h 16m

$382

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Thu 7/24

4:40 pm-11:39 pm

1 stop4h 59m

Philadelphia

Mon 7/28

6:15 am-9:52 am

1 stop5h 37m

$401

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Thu 10/2

10:15 am-12:37 am

2 stops12h 22m

Philadelphia

Sun 10/5

6:30 am-10:14 am

1 stop5h 44m

$486

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Mon 5/5

4:53 pm-3:44 pm

1 stop21h 51m

Philadelphia

Mon 5/12

9:45 am-8:49 pm

1 stop12h 04m

$519

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Fri 5/23

5:36 am-2:11 pm

1 stop6h 35m

Philadelphia

Mon 5/26

5:00 am-11:19 am

1 stop8h 19m

$570

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Sun 6/8

3:58 pm-5:10 am

1 stop12h 12m

$125

Sioux FallsPhiladelphia

FSD - PHL

FSDPHL

Sioux Falls Joe Foss Field

Wed 4/30

1:39 pm-5:52 am

1 stop15h 13m

$134

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 6/11

12:03 pm-10:45 pm

1 stop8h 42m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 13 results

Best time to book a flight from South Dakota to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from South Dakota 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 South Dakota to Delaware

Rainfall in Delaware by month

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.

Temperature in Delaware by month

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).

Reviews of airlines servicing Delaware

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from South Dakota to Delaware by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,683 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier

6.0

Okay

3,283 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from South Dakota to Delaware one-way?
$125 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $231 and $276, respectively.
Can I find deals for flights from South Dakota to Delaware that include hotel bookings?
Yes. In addition to deals on South Dakota to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Delaware.
Can I find deals for business class flights from South Dakota to Delaware?
Yes. Cheapflights offers flight deals from South Dakota 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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$125+ Cheap flights from South Dakota 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota 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 South Dakota to Delaware

Keep the following information in mind while searching for South Dakota to Delaware flight deals. Data was last updated April 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Dakota to Delaware

Cheapest flights from South Dakota to DelawareExplore the most affordable flight options available from South Dakota to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from South Dakota to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from South Dakota to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Delaware

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

Reviews of airlines servicing Delaware

Related info for your journey

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

What are the cheapest airlines to fly from South Dakota to Delaware one-way?

Can I find deals for flights from South Dakota to Delaware that include hotel bookings?

How can I find direct flights from South Dakota to Delaware?

Can I find deals for business class flights from South Dakota 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 South Dakota to Delaware

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Cheapest flights from South Dakota to Delaware
Explore the most affordable flight options available from South Dakota to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.