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Delaware

$43+ Cheap flights from Detroit (DTT) 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — ILG
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Detroit to Delaware

Cheapest flights from Detroit to Delaware
Explore the most affordable flight options available from Detroit to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Frontier deal was found by Cheapflights users on 12/17. 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.
Sat 12/274:42 pmDTW - PHL
Nonstop1h 40mFrontier
Mon 1/127:00 amPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/17$159
This Frontier deal was found by Cheapflights users on 12/16. 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.
Tue 12/2312:15 pmDTW - PHL
1 stop9h 56mFrontier
Fri 12/261:35 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/16$160
This Frontier deal was found by Cheapflights users on 12/17. 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 12/264:23 pmDTW - PHL
Nonstop1h 40mFrontier
Thu 1/16:30 amPHL - DTW
1 stop4h 50mFrontier
Deal found 12/17$161
This Frontier deal was found by Cheapflights users on 12/17. 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 12/264:23 pmDTW - PHL
Nonstop1h 40mFrontier
Tue 12/301:54 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/17$163
This Frontier deal was found by Cheapflights users on 12/15. 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.
Tue 12/3012:15 pmDTW - PHL
1 stop9h 56mFrontier
Fri 1/21:35 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/15$165
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/264:23 pmDTW - PHL
Nonstop1h 40mFrontier
Sat 12/271:54 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/17$166
This Frontier deal was found by Cheapflights users on 12/16. 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 12/264:23 pmDTW - PHL
Nonstop1h 40mFrontier
Sat 1/31:54 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/16$169
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/2312:15 pmDTW - PHL
1 stop9h 56mFrontier
Tue 12/301:54 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/16$172
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/2312:15 pmDTW - PHL
1 stop9h 56mFrontier
Sat 12/271:54 pmPHL - DTW
Nonstop1h 53mFrontier
Deal found 12/16$173

Find flight deals from Detroit to Delaware

Keep the following information in mind while searching for Detroit to Delaware flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$138
(Mytrip)

One-way from

$43
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$194
Provider with most accurate pricing for Detroit (DTT)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Philadelphia flights.
Search Deals
From Detroit (DTT) to Delaware
Search Deals
One-way flight from Detroit (DTT) to Delaware
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 December 18, 2025.
Use the filters below to find and compare flights from Detroit to Delaware that are best for you.

Fly from

Detroit

Fly to

Delaware

Route

Depart

Return

Price

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 2/6

9:37 pm-11:13 pm

Nonstop1h 36m

Philadelphia

Sun 2/8

6:00 am-7:55 am

Nonstop1h 55m

$139

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Sat 2/7

3:02 pm-4:34 pm

Nonstop1h 32m

Philadelphia

Tue 2/10

6:00 am-7:55 am

Nonstop1h 55m

$139

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 2/6

2:56 pm-4:30 pm

Nonstop1h 34m

Philadelphia

Mon 2/9

9:40 am-11:28 am

Nonstop1h 48m

$139

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 2/6

9:37 pm-11:13 pm

Nonstop1h 36m

Philadelphia

Tue 2/10

6:00 am-7:55 am

Nonstop1h 55m

$139

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Tue 1/6

10:10 am-11:53 am

Nonstop1h 43m

Philadelphia

Mon 1/12

9:40 am-11:28 am

Nonstop1h 48m

$159

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 1/8

7:05 am-8:50 am

Nonstop1h 45m

Philadelphia

Sat 1/10

12:41 pm-2:33 pm

Nonstop1h 52m

$159

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 12/26

4:23 pm-6:03 pm

Nonstop1h 40m

Philadelphia

Tue 12/30

1:54 pm-3:47 pm

Nonstop1h 53m

$163

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Thu 2/12

6:00 am-8:01 am

Nonstop2h 01m

Philadelphia

Mon 2/16

9:36 pm-11:37 pm

Nonstop2h 01m

$199

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Wed 1/14

2:54 pm-4:28 pm

Nonstop1h 34m

Philadelphia

Tue 1/20

4:59 pm-12:45 am

1 stop7h 46m

$199

DetroitPhiladelphia

DTW - PHL

DTWPHL

Detroit Metropolitan Wayne County

Fri 1/23

6:04 pm-12:21 am

1 stop6h 17m

Philadelphia

Mon 1/26

5:17 pm-7:12 pm

Nonstop1h 55m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 results
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Best time to book a flight from Detroit to Delaware

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

    Detroit All airports (DTT) is the airport you will fly out of if you book a flight from Detroit to Delaware. It is only a 0.6 mi journey to All airports (DTT) from Detroit’s city center.

  • How long is the flight from Detroit to Delaware?

    Delta can get you from Detroit to Delaware in just under 1h 36m. Your travel time will be generally consistent. The distance between Detroit and Delaware is about 452 mi. Most flights are nonstop.

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

    $483 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Royal Jordanian and Qatar Airways, with prices starting from $489 and $694, respectively.

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

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

  • How can I find direct flights from Detroit to Delaware?

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

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

    Yes. Cheapflights offers flight deals from Detroit 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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Alternative routes for Detroit to Delaware

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