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$100+ Cheap flights from Key Largo, FL to Dayton (DAY)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — DAY
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Key Largo to Dayton

Keep the following information in mind while searching for Key Largo to Dayton flight deals. Data was last updated July 30, 2025.

Round-trip from

$289
(Delta)

One-way from

$169
(Delta)

Popular in

April

Cheapest in

August

Average price

$293
From Key Largo to Dayton
Search Deals
One-way flight from Key Largo to Dayton
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Key Largo to Dayton

Cheapest flights from Key Largo to Dayton
Explore the most affordable flight options available from Key Largo to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:00 pmMIA - DAY
1 stop7h 02mAmerican Airlines
Sun 9/286:06 amDAY - MIA
1 stop8h 39mAmerican Airlines
Deal found 7/27$259
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:40 pmMIA - DAY
1 stop6h 34mDelta
Sun 12/146:40 pmDAY - MIA
1 stop6h 12mDelta
Deal found 7/28$314
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 11/1412:23 pmMIA - DAY
1 stop7h 52mUnited Airlines
Sun 11/167:00 amDAY - MIA
1 stop7h 51mUnited Airlines
Deal found 7/29$339
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:55 pmMIA - DAY
2 stops27h 55mAlaska Airlines
Sun 12/148:36 amDAY - MIA
2 stops32h 19mAlaska Airlines
Deal found 7/28$1,058

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Dayton 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 July 30, 2025.
Use the filters below to find and compare flights from Key Largo to Dayton that are best for you.

Fly from

Key Largo

Fly to

Dayton

Route

Depart

Return

Price

MiamiDayton

MIA - DAY

MIADAY

Miami

Fri 9/26

4:00 pm-11:02 pm

1 stop7h 02m

Dayton

Sun 9/28

6:06 am-2:45 pm

1 stop8h 39m

$259

MiamiDayton

MIA - DAY

MIADAY

Miami

Fri 12/12

4:40 pm-11:14 pm

1 stop6h 34m

Dayton

Sun 12/14

6:40 pm-12:52 am

1 stop6h 12m

$314

MiamiDayton

MIA - DAY

MIADAY

Miami

Fri 11/14

12:23 pm-8:15 pm

1 stop7h 52m

Dayton

Sun 11/16

7:00 am-2:51 pm

1 stop7h 51m

$339

MiamiDayton

MIA - DAY

MIADAY

Miami

Fri 12/12

5:55 pm-9:50 pm

2 stops27h 55m

Dayton

Sun 12/14

8:36 am-4:55 pm

2 stops32h 19m

$1,058

MiamiDayton

MIA - DAY

MIADAY

Miami

Fri 10/31

8:40 am-4:48 pm

1 stop8h 08m

$100

MiamiDayton

MIA - DAY

MIADAY

Miami

Sat 11/1

6:00 am-10:24 am

1 stop4h 24m

$169

MiamiDayton

MIA - DAY

MIADAY

Miami

Fri 10/31

11:09 am-8:15 pm

2 stops9h 06m

$175

MiamiDayton

MIA - DAY

MIADAY

Miami

Sat 11/1

6:46 pm-10:53 pm

2 stops28h 07m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Key Largo to Dayton

Have a flexible travel schedule? Discover the best time to fly to Dayton from Key Largo 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 Key Largo to Dayton

What is the cheapest month to book a flight from Key Largo to Dayton?

Currently, August is the cheapest month in which you can book a flight from Key Largo to Dayton (average of $325). Flying from Key Largo to Dayton in March is currently the most expensive (average of $396). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to DAY?

Find hourly flight availability from Key Largo to Dayton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

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

Reviews of airlines servicing Dayton

Get insights into the airlines that provide service to Dayton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dayton. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Key Largo to Dayton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Dayton. 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 into for flights to Dayton from Key Largo?

    Dayton (DAY) is the airport you will fly into if you book a flight from Key Largo to Dayton. You should not have trouble finding flights to Dayton from Key Largo; the airport handles an average of 0 inbound flights from Key Largo per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Dayton airport from Key Largo. It is only a 10.0 mi journey from Dayton (DAY) to Dayton’s city center.

  • What are the cheapest airlines to fly from Key Largo to Dayton one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $169. Users have also found prices from $239 and $244 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Key Largo to Dayton that include hotel bookings?

    Yes. In addition to deals on Key Largo to Dayton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Dayton?

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

  • Can I find deals for business class flights from Key Largo to Dayton?

    Yes. Cheapflights offers flight deals from Key Largo to Dayton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Dayton?

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Dayton (average of $325). Flying from Key Largo to Dayton in March is currently the most expensive (average of $396). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dayton?

Book flights to Dayton if you plan to visit one of these locations
Springfield
Troy
Xenia
Miamisburg
Richmond

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Top 2 airlines flying from Key Largo to Dayton

Discover the top 2 airlines that operate flights from Key Largo to Dayton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$317FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$370FlexibilityNo cancel feeOn-time71%

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