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Delaware

$78+ Cheap flights from Missouri 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ILG
Oct 26 — Nov 21
Sun 10/26
Sun 11/2
1 adult, Economy
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Cheap flight deals from Missouri to Delaware

Keep the following information in mind while searching for Missouri to Delaware flight deals. Data was last updated September 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$144
(Booking.com)

One-way from

$78
(Priceline)

Popular in

November

Cheapest in

August

Average price

$421
Provider with most accurate pricing for Kansas City-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Kansas City-Philadelphia flights.
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From Missouri to Delaware
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One-way flight from Missouri to Delaware
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Missouri to Delaware

Cheapest flights from Missouri to Delaware
Explore the most affordable flight options available from Missouri to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2025.

This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:05 pmSTL - PHL
1 stop19h 12mFrontier
Thu 10/235:20 amPHL - STL
1 stop6h 17mFrontier
Deal found 9/24$144
This Frontier deal was found by Cheapflights users on 9/26. 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 11/144:56 pmSTL - PHL
1 stop6h 23mFrontier
Sun 11/1610:32 pmPHL - STL
1 stop12h 08mFrontier
Deal found 9/26$153
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:42 pmSTL - PHL
1 stop26h 45mFrontier
Fri 10/315:15 amPHL - STL
1 stop11h 42mFrontier
Deal found 9/24$154
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:52 pmSTL - PHL
1 stop8h 27mFrontier
Wed 10/296:50 pmPHL - STL
1 stop19h 27mFrontier
Deal found 9/24$155
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:32 pmSTL - PHL
1 stop22h 24mFrontier
Sun 10/55:15 amPHL - STL
1 stop10h 49mFrontier
Deal found 9/24$164
This Frontier deal was found by Cheapflights users on 9/25. 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.
Wed 10/227:52 pmSTL - PHL
1 stop8h 27mFrontier
Sat 10/2511:00 amPHL - STL
1 stop8h 02mFrontier
Deal found 9/25$166
This CheapOair deal was found by Cheapflights users on 9/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:28 pmMCI - PHL
1 stop7h 21mFrontier
Mon 11/106:19 amPHL - MCI
1 stop14h 14mFrontier
Deal found 9/26$170
This Booking.com deal was found by Cheapflights users on 9/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:42 pmSTL - PHL
1 stop26h 45mFrontier
Sun 10/268:15 amPHL - STL
1 stop26h 17mFrontier
Deal found 9/25$171
This Frontier deal was found by Cheapflights users on 9/24. 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.
Thu 10/2311:37 amMCI - PHL
1 stop12h 22mFrontier
Wed 10/296:50 pmPHL - MCI
2 stops16h 27mFrontier
Deal found 9/24$174
This Mytrip deal was found by Cheapflights users on 9/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:42 pmSTL - PHL
1 stop26h 45mFrontier
Mon 10/276:42 amPHL - STL
1 stop27h 25mFrontier
Deal found 9/26$175
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:33 pmSTL - PHL
1 stop14h 57mFrontier
Thu 11/67:10 amPHL - STL
1 stop11h 17mFrontier
Deal found 9/24$178
This Frontier deal was found by Cheapflights users on 9/26. 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 10/1011:37 amMCI - PHL
1 stop12h 22mFrontier
Wed 10/229:14 pmPHL - MCI
2 stops14h 28mFrontier
Deal found 9/26$186

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 September 26, 2025.
Use the filters below to find and compare flights from Missouri to Delaware that are best for you.

Fly from

Missouri

Fly to

Delaware

Route

Depart

Return

Price

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Mon 11/3

11:12 am-12:19 am

1 stop12h 07m

Philadelphia

Thu 11/6

6:19 am-7:33 pm

1 stop14h 14m

$170

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 11/6

7:45 pm-4:49 am

1 stop8h 04m

Philadelphia

Sun 11/9

5:50 am-10:12 am

1 stop5h 22m

$182

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Fri 10/10

11:37 am-12:59 am

1 stop12h 22m

Philadelphia

Wed 10/22

9:14 pm-10:42 am

2 stops14h 28m

$186

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 10/30

8:40 pm-4:49 am

1 stop7h 09m

Philadelphia

Sun 11/2

10:32 pm-9:40 am

1 stop12h 08m

$203

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Wed 1/14

12:09 pm-9:02 pm

1 stop7h 53m

Philadelphia

Sat 1/17

3:55 pm-9:14 pm

1 stop6h 19m

$225

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Tue 1/13

12:30 pm-7:58 pm

1 stop6h 28m

Philadelphia

Sat 1/17

1:50 pm-5:55 pm

1 stop5h 05m

$225

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Thu 10/9

11:37 am-12:59 am

1 stop12h 22m

Philadelphia

Sat 10/18

6:42 am-5:55 pm

1 stop12h 13m

$235

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Fri 10/31

4:52 pm-12:59 am

1 stop7h 07m

Philadelphia

Mon 11/3

12:26 pm-6:36 pm

2 stops31h 10m

$242

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Fri 10/31

4:52 pm-12:59 am

1 stop7h 07m

Philadelphia

Sun 11/2

12:23 pm-6:36 pm

2 stops31h 13m

$243

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Sun 11/16

11:12 am-11:52 am

2 stops23h 40m

Philadelphia

Mon 11/17

10:32 pm-9:04 am

1 stop11h 32m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 58 results
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Best time to book a flight from Missouri to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Missouri 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 Missouri 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 Missouri to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to Delaware?

    Frontier, American Airlines, and Delta can get you from Missouri to Delaware in just under 5h 55m. Your travel time can differ by up to 6h 12m. Airlines will cover a distance of 1035 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $78 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $93 and United Airlines from $135 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Delaware

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