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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $121. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Kansas City to Delaware for a low price.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 188% on flights from Kansas City to Delaware compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $291. For sooner than that we have options available in the next 3 days from $352.

What is the cheapest month to fly from Kansas City to Delaware?

Our data shows that July tends to be the cheapest month to fly to Delaware from Kansas City. Users have commonly found prices around $366 for the month, but tickets can be as low as $78. Due to multiple factors, prepare for potentially higher prices in April.

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

When flying from Kansas City 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.

What airport do you fly from for flights from Kansas City to Delaware?

Kansas City (MCI) is the airport you will fly out of if you book a flight from Kansas City to Delaware. It is only a 17.4 mi journey to Kansas City (MCI) from Kansas City’s city center.

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

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

How can I find direct flights from Kansas City to Delaware?

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

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

Yes. Cheapflights offers flight deals from Kansas City 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.

$121+ Flights from Kansas City to Delaware

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Cheap flight deals from Kansas City to Delaware

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$261 (Frontier)
One-way from	$121 (CheapOair)
Popular in	April
Cheapest in	July
Average price	$436

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 Kansas City to Delaware

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One-way flight from Kansas City to Delaware

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Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 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 Kansas City to Delaware

Cheapest flights from Kansas City to Delaware
Explore the most affordable flight options available from Kansas City to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Fri 5/233:02 pmMCI - PHL

1 stop7h 57mFrontier

Fri 5/306:15 amPHL - MCI

1 stop13h 49mFrontier

Deal found 4/23

$261

Thu 5/152:45 pmMCI - PHL

1 stop6h 51mSpirit Airlines

Tue 5/206:00 amPHL - MCI

1 stop8h 50mSpirit Airlines

Deal found 4/23

$273

Wed 6/46:00 amMCI - PHL

Nonstop2h 43mAmerican Airlines

Sat 6/77:16 pmPHL - MCI

Nonstop3h 07mAmerican Airlines

Deal found 4/23

$299

Thu 5/292:45 pmMCI - PHL

1 stop6h 51mMultiple Airlines

Mon 6/21:02 pmPHL - MCI

1 stop7h 04mMultiple Airlines

Deal found 4/23

$301

Wed 6/46:37 amMCI - PHL

1 stop4h 23mDelta

Sat 6/78:00 amPHL - MCI

1 stop5h 10mDelta

Deal found 4/23

$319

Fri 10/35:55 amMCI - PHL

1 stop3h 55mSouthwest

Mon 10/68:35 pmPHL - MCI

1 stop4h 20mSouthwest

Deal found 4/23

$344

Wed 6/42:56 pmMCI - PHL

1 stop6h 35mUnited Airlines

Sat 6/710:35 amPHL - MCI

2 stops12h 08mUnited Airlines

Deal found 4/23

$404

Wed 4/306:05 amMCI - SBY

1 stop4h 27mAmerican Airlines

Fri 5/24:38 pmSBY - MCI

1 stop6h 49mAmerican Airlines

Deal found 4/24

$820

Best flights from Kansas City to Delaware
Discover carefully curated flight deals from Kansas City to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Fri 5/233:02 pmMCI - PHL

1 stop7h 57mFrontier

Fri 5/306:15 amPHL - MCI

1 stop13h 49mFrontier

Deal found 4/23

$261

Thu 5/152:45 pmMCI - PHL

1 stop6h 51mSpirit Airlines

Tue 5/206:00 amPHL - MCI

1 stop8h 50mSpirit Airlines

Deal found 4/23

$273

Wed 6/46:00 amMCI - PHL

Nonstop2h 43mAmerican Airlines

Sat 6/77:16 pmPHL - MCI

Nonstop3h 07mAmerican Airlines

Deal found 4/23

$299

Thu 5/292:45 pmMCI - PHL

1 stop6h 51mMultiple Airlines

Mon 6/21:02 pmPHL - MCI

1 stop7h 04mMultiple Airlines

Deal found 4/23

$301

Wed 6/46:37 amMCI - PHL

1 stop4h 23mDelta

Sat 6/78:00 amPHL - MCI

1 stop5h 10mDelta

Deal found 4/23

$319

Fri 10/35:55 amMCI - PHL

1 stop3h 55mSouthwest

Mon 10/68:35 pmPHL - MCI

1 stop4h 20mSouthwest

Deal found 4/23

$344

Wed 6/42:56 pmMCI - PHL

1 stop6h 35mUnited Airlines

Sat 6/710:35 amPHL - MCI

2 stops12h 08mUnited Airlines

Deal found 4/23

$404

Wed 9/34:55 pmMCI - PHL

2 stops11h 50mAlaska Airlines

Fri 9/56:58 pmPHL - MCI

2 stops22h 03mAlaska Airlines

Deal found 4/23

$670

Last-minute flights from Kansas City to Delaware
Discover last-minute flight deals from Kansas City to Delaware. Data last updated April 24, 2025 and is based on user searches.

Wed 4/306:05 amMCI - PHL

Nonstop2h 42mAmerican Airlines

Wed 5/77:20 pmPHL - MCI

Nonstop3h 11mAmerican Airlines

Deal found 4/23

$437

Wed 4/308:45 amMCI - PHL

1 stop7h 16mUnited Airlines

Fri 5/21:10 pmPHL - MCI

1 stop5h 25mUnited Airlines

Deal found 4/22

$462

Wed 4/306:05 amMCI - SBY

1 stop4h 27mAmerican Airlines

Fri 5/24:38 pmSBY - MCI

1 stop6h 49mAmerican Airlines

Deal found 4/24

$820

Fri 5/24:59 pmMCI - PHL

2 stops29h 11mSpirit Airlines

Tue 5/68:41 pmPHL - MCI

1 stop27h 00mSpirit Airlines

Deal found 4/22

$325

Sat 5/31:50 pmMCI - PHL

1 stop8h 05mSouthwest

Tue 5/66:30 amPHL - MCI

1 stop6h 25mSouthwest

Deal found 4/22

$393

Sat 5/311:00 amMCI - PHL

1 stop4h 47mDelta

Wed 5/71:00 pmPHL - MCI

1 stop4h 50mDelta

Deal found 4/22

$457

Tue 5/205:46 amMCI - PHL

1 stop25h 02mSpirit Airlines

Tue 5/277:12 pmPHL - MCI

1 stop28h 29mSpirit Airlines

Deal found 4/21

$259

Tue 5/206:00 amMCI - PHL

1 stop4h 53mUnited Airlines

Tue 5/2710:35 amPHL - MCI

2 stops11h 43mUnited Airlines

Deal found 4/21

$414

Fri 5/233:02 pmMCI - PHL

1 stop7h 57mFrontier

Mon 5/2612:59 pmPHL - MCI

1 stop7h 05mFrontier

Deal found 4/23

$261

Wed 5/285:45 amMCI - PHL

1 stop5h 26mDelta

Tue 6/35:30 amPHL - MCI

1 stop6h 37mDelta

Deal found 4/21

$319

Thu 5/292:45 pmMCI - PHL

1 stop6h 51mMultiple Airlines

Wed 6/116:15 amPHL - MCI

1 stop14h 00mMultiple Airlines

Deal found 4/22

$307

Thu 5/296:20 amMCI - PHL

2 stops9h 40mSouthwest

Wed 6/115:30 amPHL - MCI

1 stop7h 10mSouthwest

Deal found 4/22

$366

One-way flights from Kansas City to Delaware
Search for one-way flight options from Kansas City to Delaware. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Fri 5/98:51 pmMCI - PHL

1 stop23h 24mFrontier

Deal found 4/23

$121

Sat 5/245:46 amMCI - PHL

1 stop15h 50mSpirit Airlines

Deal found 4/23

$125

Thu 6/195:26 pmMCI - PHL

1 stop6h 33mDelta

Deal found 4/22

$175

Tue 6/245:00 amMCI - PHL

1 stop18h 45mAmerican Airlines

Deal found 4/23

$199

Sat 6/148:00 amMCI - PHL

1 stop5h 24mUnited Airlines

Deal found 4/22

$200

Mon 6/232:40 pmMCI - PHL

2 stops7h 55mSouthwest

Deal found 4/23

$207

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Fri 5/23

3:02 pm-11:59 pm

1 stop7h 57m

Philadelphia

Fri 5/30

6:15 am-7:04 pm

1 stop13h 49m

$261

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Thu 5/15

2:45 pm-10:36 pm

1 stop6h 51m

Philadelphia

Tue 5/20

6:00 am-1:50 pm

1 stop8h 50m

$273

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Wed 6/4

6:00 am-9:43 am

Nonstop2h 43m

Philadelphia

Sat 6/7

7:16 pm-9:23 pm

Nonstop3h 07m

$299

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Thu 5/29

2:45 pm-10:36 pm

1 stop6h 51m

Philadelphia

Mon 6/2

1:02 pm-7:06 pm

1 stop7h 04m

$301

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Wed 6/4

6:37 am-12:00 pm

1 stop4h 23m

Philadelphia

Sat 6/7

8:00 am-12:10 pm

1 stop5h 10m

$319

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Fri 10/3

5:55 am-10:50 am

1 stop3h 55m

Philadelphia

Mon 10/6

8:35 pm-11:55 pm

1 stop4h 20m

$344

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Wed 6/4

2:56 pm-10:31 pm

1 stop6h 35m

Philadelphia

Sat 6/7

10:35 am-9:43 pm

2 stops12h 08m

$404

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Wed 9/3

4:55 pm-5:45 am

2 stops11h 50m

Philadelphia

Fri 9/5

6:58 pm-4:01 pm

2 stops22h 03m

$670

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Fri 5/9

8:51 pm-9:15 pm

1 stop23h 24m

$121

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Sat 5/24

5:46 am-10:36 pm

1 stop15h 50m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 14 results

Best time to book a flight from Kansas City to Delaware

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

Read through reviews of airlines operating flights from Kansas City to Delaware, such as 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

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,918 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,286 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly from for flights from Kansas City to Delaware?
Kansas City (MCI) is the airport you will fly out of if you book a flight from Kansas City to Delaware. It is only a 17.4 mi journey to Kansas City (MCI) from Kansas City’s city center.
What are the cheapest airlines to fly from Kansas City to Delaware one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $121. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Kansas City to Delaware for a low price.
Can I find deals for flights from Kansas City to Delaware that include hotel bookings?
Yes. In addition to deals on Kansas City to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansas City to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Delaware.
Can I find deals for business class flights from Kansas City to Delaware?
Yes. Cheapflights offers flight deals from Kansas City 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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$121+ Cheap flights from Kansas City (MCI) 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansas City to Delaware with Cheapflights

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Cheap flight deals from Kansas City to Delaware

Keep the following information in mind while searching for Kansas City to Delaware flight deals. Data was last updated April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Delaware

Cheapest flights from Kansas City to DelawareExplore the most affordable flight options available from Kansas City to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from Kansas City to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Kansas City to Delaware

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

Cheapflights Insights

Everything you need to know about your flight from Kansas City 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

Read through reviews of airlines operating flights from Kansas City to Delaware, such as 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 Kansas City 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 Kansas City to Delaware?

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

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

How can I find direct flights from Kansas City to Delaware?

Can I find deals for business class flights from Kansas City 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 Kansas City to Delaware

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

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Cheapest flights from Kansas City to Delaware
Explore the most affordable flight options available from Kansas City to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.