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

The cheapest airlines for a one-way flight from Indiana to Delaware are Frontier ($78), Spirit Airlines ($85), and United Airlines ($89).

How far in advance should I book a flight from Indiana to Delaware?

Travelers have found it’s best to book a flight 11 days in advance to save up to 194% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 11 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Indiana to Delaware 1-2 weeks in advance for as low as $151, or $445 for flights within the next 24 hours.

What is the cheapest month to fly from Indiana to Delaware?

July can be a great time to fly to Delaware from Indiana with a flight ticket averaging about $371. Cheapflights users have found deals in the month of July for as cheap as $59. The most expensive prices can be found in the month of March.

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

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

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

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

How can I find direct flights from Indiana to Delaware?

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

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

Yes. Cheapflights offers flight deals from Indiana 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.

$78+ Flights from Indiana to Delaware

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Cheap flight deals from Indiana to Delaware

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$159 (Mytrip)
One-way from	$78 (Cheapflightsfares)
Popular in	March
Cheapest in	July
Average price	$487

Provider with most accurate pricing for Indianapolis-Philadelphia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Indianapolis-Philadelphia flights.

Search Deals

From Indiana to Delaware

Search Deals

One-way flight from Indiana to Delaware

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($119 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Indiana to Delaware

Cheapest flights from Indiana to Delaware
Explore the most affordable flight options available from Indiana to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Fri 5/27:27 pmSDF - PHL

1 stop27h 43mSpirit Airlines

Sun 5/46:00 pmPHL - SDF

1 stop24h 31mSpirit Airlines

Deal found 4/1

$159

Wed 4/238:25 amMDW - PHL

Nonstop2h 00mSouthwest

Wed 4/234:35 pmPHL - MDW

Nonstop2h 10mSouthwest

Deal found 4/2

$161

Wed 4/3011:10 amORD - PHL

Nonstop2h 08mUnited Airlines

Wed 5/710:06 amPHL - ORD

Nonstop2h 24mUnited Airlines

Deal found 4/2

$161

Wed 5/1412:41 pmORD - PHL

1 stop9h 02mMultiple Airlines

Sun 5/187:15 amPHL - ORD

Nonstop2h 28mMultiple Airlines

Deal found 4/2

$163

Sun 4/138:00 amMDW - PHL

Nonstop2h 02mFrontier

Tue 4/156:31 pmPHL - MDW

Nonstop2h 20mFrontier

Deal found 4/2

$167

Wed 6/48:22 amORD - PHL

Nonstop2h 01mAmerican Airlines

Wed 6/117:30 amPHL - ORD

Nonstop2h 30mAmerican Airlines

Deal found 4/1

$169

Wed 6/42:45 pmORD - PHL

1 stop8h 14mFrontier

Wed 6/113:38 pmPHL - ORD

Nonstop2h 33mFrontier

Deal found 4/2

$170

Fri 5/25:07 pmORD - PHL

1 stop14h 03mSpirit Airlines

Tue 5/611:53 amPHL - ORD

1 stop12h 23mSpirit Airlines

Deal found 4/2

$192

Tue 5/1312:58 pmSDF - PHL

1 stop18h 50mMultiple Airlines

Sat 5/177:12 pmPHL - SDF

1 stop13h 07mMultiple Airlines

Deal found 4/1

$192

Tue 5/134:15 pmMDW - PHL

1 stop7h 42mDelta

Wed 5/215:30 amPHL - MDW

1 stop5h 10mDelta

Deal found 4/2

$197

Wed 6/411:03 amORD - PHL

1 stop6h 00mDelta

Wed 6/115:30 amPHL - ORD

1 stop5h 38mDelta

Deal found 4/1

$197

Sat 4/128:53 pmIND - PHL

1 stop8h 38mFrontier

Sun 4/138:37 amPHL - IND

1 stop6h 31mFrontier

Deal found 4/2

$263

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

Fri 5/27:27 pmSDF - PHL

1 stop27h 43mSpirit Airlines

Sun 5/46:00 pmPHL - SDF

1 stop24h 31mSpirit Airlines

Deal found 4/1

$159

Wed 4/238:25 amMDW - PHL

Nonstop2h 00mSouthwest

Wed 4/234:35 pmPHL - MDW

Nonstop2h 10mSouthwest

Deal found 4/2

$161

Wed 4/3011:10 amORD - PHL

Nonstop2h 08mUnited Airlines

Wed 5/710:06 amPHL - ORD

Nonstop2h 24mUnited Airlines

Deal found 4/2

$161

Wed 5/1412:41 pmORD - PHL

1 stop9h 02mMultiple Airlines

Sun 5/187:15 amPHL - ORD

Nonstop2h 28mMultiple Airlines

Deal found 4/2

$163

Sun 4/138:00 amMDW - PHL

Nonstop2h 02mFrontier

Tue 4/156:31 pmPHL - MDW

Nonstop2h 20mFrontier

Deal found 4/2

$167

Wed 6/48:22 amORD - PHL

Nonstop2h 01mAmerican Airlines

Wed 6/117:30 amPHL - ORD

Nonstop2h 30mAmerican Airlines

Deal found 4/1

$169

Tue 5/136:00 amMDW - PHL

1 stop5h 10mDelta

Tue 5/206:00 amPHL - MDW

1 stop8h 15mDelta

Deal found 4/2

$197

Wed 6/42:45 pmORD - PHL

1 stop8h 14mFrontier

Wed 6/113:38 pmPHL - ORD

Nonstop2h 33mFrontier

Deal found 4/2

$170

Sat 4/1211:45 amORD - PHL

1 stop6h 51mSpirit Airlines

Wed 4/238:44 pmPHL - ORD

1 stop12h 20mSpirit Airlines

Deal found 4/2

$190

Sun 7/137:05 pmIND - PHL

1 stop16h 05mSun Country Air

Sun 7/2712:05 pmPHL - IND

1 stop6h 01mSun Country Air

Deal found 4/1

$380

Tue 5/1312:58 pmSDF - PHL

1 stop18h 50mMultiple Airlines

Sat 5/177:12 pmPHL - SDF

1 stop13h 07mMultiple Airlines

Deal found 4/1

$192

Wed 6/41:45 pmORD - PHL

1 stop4h 29mDelta

Wed 6/115:30 amPHL - ORD

1 stop5h 38mDelta

Deal found 4/2

$197

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

Thu 4/37:45 amSDF - PHL

Nonstop1h 54mAmerican Airlines

Thu 4/311:04 amPHL - SDF

1 stop9h 00mAmerican Airlines

Deal found 4/1

$293

Tue 4/810:03 amIND - PHL

1 stop6h 00mSpirit Airlines

Wed 4/96:57 amPHL - IND

2 stops27h 39mSpirit Airlines

Deal found 4/2

$291

Tue 4/87:30 amCVG - PHL

1 stop8h 33mMultiple Airlines

Wed 4/910:08 amPHL - CVG

2 stops31h 31mMultiple Airlines

Deal found 4/1

$303

Wed 4/911:45 amORD - PHL

1 stop7h 15mMultiple Airlines

Wed 4/238:44 pmPHL - ORD

1 stop12h 20mMultiple Airlines

Deal found 4/2

$212

Wed 4/98:50 amORD - PHL

1 stop8h 56mFrontier

Mon 4/2111:32 amPHL - ORD

1 stop13h 51mFrontier

Deal found 4/1

$260

Wed 4/912:48 pmMDW - PHL

1 stop4h 31mDelta

Tue 4/226:00 amPHL - MDW

1 stop3h 40mDelta

Deal found 4/2

$287

Wed 4/96:45 amORD - PHL

1 stop3h 54mDelta

Tue 4/226:00 amPHL - ORD

1 stop4h 24mDelta

Deal found 4/2

$287

Thu 4/104:30 pmMDW - PHL

Nonstop1h 58mFrontier

Sun 4/2011:57 amPHL - MDW

Nonstop2h 24mFrontier

Deal found 4/2

$170

Sat 4/1211:45 amORD - PHL

1 stop6h 51mSpirit Airlines

Wed 4/238:44 pmPHL - ORD

1 stop12h 20mSpirit Airlines

Deal found 4/2

$190

Sat 4/128:53 pmIND - PHL

1 stop8h 38mFrontier

Sun 4/138:37 amPHL - IND

1 stop6h 31mFrontier

Deal found 4/2

$263

Sat 4/127:00 amAZO - PHL

1 stop5h 55mAmerican Airlines

Sat 4/124:23 pmPHL - AZO

2 stops19h 20mAmerican Airlines

Deal found 4/1

$328

Sun 4/138:00 amMDW - PHL

Nonstop2h 02mFrontier

Tue 4/156:31 pmPHL - MDW

Nonstop2h 20mFrontier

Deal found 4/2

$167

One-way flights from Indiana to Delaware
Search for one-way flight options from Indiana to Delaware. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Thu 4/248:36 pmCVG - PHL

1 stop10h 11mFrontier

Deal found 4/1

$78

Fri 5/210:41 amIND - PHL

1 stop7h 19mFrontier

Deal found 4/3

$80

Fri 4/1111:41 amIND - PHL

1 stop6h 27mSpirit Airlines

Deal found 4/2

$85

Sun 4/138:00 amMDW - PHL

Nonstop2h 02mFrontier

Deal found 4/2

$89

Tue 7/156:20 pmORD - PHL

Nonstop2h 15mUnited Airlines

Deal found 4/2

$89

Sat 5/36:20 pmMDW - PHL

Nonstop1h 55mSouthwest

Deal found 4/2

$90

Tue 4/294:00 pmORD - PHL

1 stop4h 35mSouthwest

Deal found 4/2

$91

Wed 4/3011:53 amORD - PHL

1 stop28h 02mSpirit Airlines

Deal found 4/2

$92

Tue 5/612:48 pmMDW - PHL

1 stop4h 32mDelta

Deal found 4/2

$99

Wed 5/79:00 amORD - PHL

1 stop5h 49mDelta

Deal found 4/2

$99

Mon 5/192:36 pmCVG - PHL

2 stops17h 12mMultiple Airlines

Deal found 4/2

$110

Sat 7/264:42 pmORD - PHL

Nonstop2h 07mAmerican Airlines

Deal found 4/1

$111

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/2

7:27 pm-11:10 pm

1 stop27h 43m

Philadelphia

Sun 5/4

6:00 pm-6:31 pm

1 stop24h 31m

$159

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Wed 4/23

8:25 am-11:25 am

Nonstop2h 00m

Philadelphia

Wed 4/23

4:35 pm-5:45 pm

Nonstop2h 10m

$161

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 4/30

11:10 am-2:18 pm

Nonstop2h 08m

Philadelphia

Wed 5/7

10:06 am-11:30 am

Nonstop2h 24m

$161

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 5/14

12:41 pm-10:43 pm

1 stop9h 02m

Philadelphia

Sun 5/18

7:15 am-8:43 am

Nonstop2h 28m

$163

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Sun 4/13

8:00 am-11:02 am

Nonstop2h 02m

Philadelphia

Tue 4/15

6:31 pm-7:51 pm

Nonstop2h 20m

$167

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 6/4

8:22 am-11:23 am

Nonstop2h 01m

Philadelphia

Wed 6/11

7:30 am-9:00 am

Nonstop2h 30m

$169

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 6/4

2:45 pm-11:59 pm

1 stop8h 14m

Philadelphia

Wed 6/11

3:38 pm-5:11 pm

Nonstop2h 33m

$170

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Fri 5/2

5:07 pm-8:10 am

1 stop14h 03m

Philadelphia

Tue 5/6

11:53 am-11:16 pm

1 stop12h 23m

$192

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 5/13

12:58 pm-7:48 am

1 stop18h 50m

Philadelphia

Sat 5/17

7:12 pm-8:19 am

1 stop13h 07m

$192

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 5/13

6:00 am-12:10 pm

1 stop5h 10m

Philadelphia

Tue 5/20

6:00 am-1:15 pm

1 stop8h 15m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results

...

Best time to book a flight from Indiana to Delaware

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

To help decide which airline to fly from Indiana to Delaware, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,827 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,827 reviews

Alaska Airlines

8.0

Very good

9,827 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,274 reviews

Alaska Airlines

8.0

Very good

9,827 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,897 reviews

Alaska Airlines

8.0

Very good

9,827 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,619 reviews

Alaska Airlines

8.0

Very good

9,827 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,827 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Indiana to Delaware one-way?
The cheapest airlines for a one-way flight from Indiana to Delaware are Frontier ($78), Spirit Airlines ($85), and United Airlines ($89).
Can I find deals for flights from Indiana to Delaware that include hotel bookings?
Yes. In addition to deals on Indiana to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Indiana to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indiana to Delaware.
Can I find deals for business class flights from Indiana to Delaware?
Yes. Cheapflights offers flight deals from Indiana 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.

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$78+ Cheap flights from Indiana 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Indiana 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 Indiana to Delaware

Keep the following information in mind while searching for Indiana to Delaware flight deals. Data was last updated April 3, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Indiana to Delaware

Cheapest flights from Indiana to DelawareExplore the most affordable flight options available from Indiana to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Explore the most affordable flight options available from Indiana to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Indiana to Delaware

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

Cheapflights Insights

Everything you need to know about your flight from Indiana 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

To help decide which airline to fly from Indiana to Delaware, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up 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 Indiana 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 Indiana to Delaware one-way?

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

How can I find direct flights from Indiana to Delaware?

Can I find deals for business class flights from Indiana 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 Indiana to Delaware

See prices for flight routes from nearby airports that may be better suited for you.

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Cheapest flights from Indiana to Delaware
Explore the most affordable flight options available from Indiana to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.