HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Delaware

$56+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ILG
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Delaware with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

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.
Wed 12/315:19 pmSTL - PHL
1 stop11h 21mFrontier
Sun 1/45:10 amPHL - STL
1 stop5h 30mFrontier
Deal found 12/16$233
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:43 pmSTL - PHL
1 stop8h 48mFrontier
Fri 1/95:05 amPHL - STL
1 stop10h 43mFrontier
Deal found 12/17$248
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:10 pmSTL - PHL
1 stop30h 30mFrontier
Thu 1/13:46 pmPHL - STL
1 stop7h 47mFrontier
Deal found 12/17$264
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:13 amMCI - PHL
1 stop7h 18mFrontier
Fri 1/25:10 amPHL - MCI
1 stop5h 58mFrontier
Deal found 12/16$283
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:33 amMCI - PHL
1 stop7h 34mFrontier
Wed 12/315:15 amPHL - MCI
1 stop5h 53mFrontier
Deal found 12/17$289
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:34 pmCOU - PHL
1 stop5h 11mUnited Airlines
Sat 1/38:27 amPHL - COU
1 stop7h 08mUnited Airlines
Deal found 12/15$298
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.
Sun 12/2810:02 amMCI - PHL
1 stop13h 11mFrontier
Fri 1/25:10 amPHL - MCI
1 stop5h 58mFrontier
Deal found 12/17$308
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:10 pmSTL - PHL
1 stop30h 30mFrontier
Tue 12/237:10 amPHL - STL
1 stop15h 15mFrontier
Deal found 12/17$327
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:13 amMCI - PHL
1 stop7h 18mFrontier
Wed 12/315:15 amPHL - MCI
1 stop5h 53mFrontier
Deal found 12/17$327
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:37 pmSTL - PHL
1 stop12h 54mFrontier
Sun 12/2110:00 pmPHL - STL
1 stop12h 45mFrontier
Deal found 12/16$332
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.
Mon 12/296:15 pmMCI - PHL
1 stop13h 52mMultiple Airlines
Sat 1/35:10 amPHL - MCI
1 stop13h 00mMultiple Airlines
Deal found 12/17$337
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.
Mon 12/224:27 pmSTL - PHL
1 stop7h 13mFrontier
Mon 12/291:56 pmPHL - STL
1 stop9h 37mFrontier
Deal found 12/15$343

Find flight deals from Missouri to Delaware

Keep the following information in mind while searching for Missouri 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

$130
(Kiwi.com)

One-way from

$56
(Super.com)

Popular in

November

Cheapest in

August

Average price

$463
Provider with most accurate pricing for Lambert-St Louis-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Philadelphia flights.
Search Deals
From Missouri to Delaware
Search Deals
One-way flight from Missouri to Delaware
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 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 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 December 18, 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

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Mon 1/12

5:11 pm-5:43 pm

1 stop23h 32m

Philadelphia

Thu 1/15

8:43 pm-7:54 am

1 stop12h 11m

$137

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Wed 1/7

5:11 pm-8:37 am

1 stop14h 26m

Philadelphia

Wed 1/14

4:08 pm-10:34 pm

1 stop7h 26m

$139

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Sun 1/25

11:26 am-8:47 am

1 stop20h 21m

Philadelphia

Mon 2/2

6:11 pm-4:09 pm

2 stops22h 58m

$168

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 1/22

5:42 pm-9:59 am

1 stop15h 17m

Philadelphia

Mon 1/26

3:54 pm-11:33 pm

1 stop8h 39m

$169

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Thu 1/8

11:26 am-8:01 pm

1 stop7h 35m

Philadelphia

Thu 1/15

7:12 pm-10:26 am

1 stop16h 14m

$172

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Thu 1/8

11:26 am-8:01 pm

1 stop7h 35m

Philadelphia

Wed 1/14

3:45 pm-10:31 am

2 stops19h 46m

$184

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Fri 1/23

11:18 am-10:32 pm

1 stop10h 14m

Philadelphia

Mon 1/26

3:54 pm-11:33 pm

1 stop8h 39m

$197

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Mon 1/5

7:43 pm-5:31 am

1 stop8h 48m

Philadelphia

Fri 1/9

7:20 pm-10:33 pm

1 stop28h 13m

$197

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Mon 1/5

7:43 pm-12:51 am

2 stops28h 08m

Philadelphia

Thu 1/8

8:43 pm-7:50 am

1 stop12h 07m

$202

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Mon 1/19

8:27 pm-12:42 am

2 stops27h 15m

Philadelphia

Thu 1/22

2:40 pm-10:31 am

1 stop20h 51m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 53 results
1
2
3
...
6

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, Spirit Airlines, and Delta can get you from Missouri to Delaware in just under 6h 21m. Your travel time can differ by up to 14h. Airlines will cover a distance of 995 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

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 Missouri to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to West Palm Beach flights
Los Angeles to Newark flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Newark to Orlando flights
Newark to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
O'Hare Intl to Las Vegas flights
Newark to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to Los Angeles flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
Minneapolis to Sky Harbor Intl flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to Fort Lauderdale flights
Baltimore to Fort Lauderdale flights
Seattle to Las Vegas flights
Los Angeles to Seattle flights
Dallas/Fort Worth to O'Hare Intl flights
Fort Lauderdale to Newark flights
Dallas/Fort Worth to Denver flights
Los Angeles to Honolulu flights
Hobby to LaGuardia flights
Atlanta to LaGuardia flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
Newark to Tampa flights
Dallas/Fort Worth to Orlando flights
Boston to Miami flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.