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Cheap flights from Dayton to London Heathrow Airport from £236

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dayton to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Dayton to Heathrow
Explore the most affordable flight options available from Dayton to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2026.

Wed 18/309:45
DAY
-
LHR
1 stop16h 55m
United Airlines
Wed 25/306:35
LHR
-
DAY
2 stops17h 03m
United Airlines
Deal found 18/2£470
Mon 13/412:35
DAY
-
LHR
1 stop14h 05m
Iberia
Tue 5/506:15
LHR
-
DAY
2 stops21h 03m
Iberia
Deal found 17/2£478
Sun 29/317:43
DAY
-
LHR
1 stop13h 02m
United Airlines
Tue 7/406:50
LHR
-
DAY
2 stops17h 08m
United Airlines
Deal found 19/2£481
Wed 1/419:33
DAY
-
LHR
1 stop10h 07m
United Airlines
Thu 30/406:50
LHR
-
DAY
2 stops20h 24m
United Airlines
Deal found 17/2£482
Tue 5/510:28
DAY
-
LHR
2 stops15h 02m
United Airlines
Tue 19/506:50
LHR
-
DAY
2 stops16h 54m
United Airlines
Deal found 17/2£484
Wed 18/314:35
DAY
-
LHR
1 stop17h 05m
KLM
Wed 25/315:50
LHR
-
DAY
1 stop22h 56m
KLM
Deal found 18/2£491
Sun 6/919:45
DAY
-
LHR
1 stop9h 55m
United Airlines
Fri 11/907:30
LHR
-
DAY
2 stops16h 26m
United Airlines
Deal found 20/2£493
Tue 1/914:44
DAY
-
LHR
1 stop14h 56m
United Airlines
Thu 17/907:30
LHR
-
DAY
2 stops16h 26m
United Airlines
Deal found 19/2£494
Wed 12/807:15
DAY
-
LHR
1 stop18h 30m
United Airlines
Wed 19/817:50
LHR
-
DAY
2 stops29h 51m
United Airlines
Deal found 17/2£495

Find flight deals from Dayton to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 February 2026.

Round-trip from

£470

One-way from

£236

Popular in

June

Cheapest in

January

Average price

£628
United Airlines
  • United Airlines
  • 18/3-25/3
  • 3 total stops
  • 33h 58m total
  • Dayton to London
Search Deals
United Airlines
  • United Airlines
  • 21/5
  • 2 total stops
  • 19h 40m total
  • Dayton to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dayton to Heathrow 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 858,174 searches. Data last updated 20 February 2026.
Use the filters below to find and compare flights from Dayton to London Heathrow Airport that are best for you.

Fly from

Dayton

Fly to

Heathrow

Route

Depart

Return

Price

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 18/3

09:45-06:40

1 stop16h 55m

London Heathrow

Wed 25/3

06:35-19:38

2 stops17h 03m

£470

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 1/4

19:33-10:40

1 stop10h 07m

London Heathrow

Thu 30/4

06:50-22:14

2 stops20h 24m

£482

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 5/5

06:25-06:45

1 stop19h 20m

London Heathrow

Tue 19/5

06:50-17:08

2 stops15h 18m

£482

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 12/8

07:15-06:45

1 stop18h 30m

London Heathrow

Wed 19/8

17:50-18:41

2 stops29h 51m

£495

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sun 3/5

18:40-11:15

1 stop11h 35m

London Heathrow

Tue 19/5

11:10-18:06

1 stop11h 56m

£503

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 5/5

14:49-07:15

1 stop11h 26m

London Heathrow

Tue 19/5

15:15-23:32

1 stop13h 17m

£503

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 24/3

06:00-07:50

1 stop21h 50m

London Heathrow

Wed 1/4

06:30-22:48

2 stops21h 18m

£506

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 21/5

05:55-06:35

2 stops19h 40m

£236

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 21/5

15:17-12:10

2 stops15h 53m

£286

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 21/5

17:42-19:45

2 stops21h 03m

£290

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 15 results
1
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Best time to book a flight from Dayton to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Dayton with our price prediction graph.
Estimated return 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 Dayton to London Heathrow Airport

What is the cheapest month to book a flight from Dayton to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £356). Flying from Dayton to London Heathrow Airport in June is currently the most expensive (average of £563). 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.

Related info for your journey

Find useful and relevant information for your journey from Dayton to Heathrow. 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 Dayton to London Heathrow?

    If you book a flight to London Heathrow from Dayton, you will be flying from Dayton, which is the city’s only airport. Dayton (DAY) is located 10.0 mi from the center of Dayton. There are 0 flights from Dayton to London Heathrow per day from 0 different airlines.

  • How long is the flight from Dayton to London Heathrow Airport?

    Departing from Dayton to London Heathrow Airport will take you 16h 55m. Dayton and London Heathrow Airport are separated by a distance of 3893 mi.

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

    Yes. In addition to deals on Dayton to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dayton to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Dayton to Heathrow 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 Dayton to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £356). Flying from Dayton to London Heathrow Airport in June is currently the most expensive (average of £563). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

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Cheapflights makes it easy to find Dayton to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dayton to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Dayton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dayton to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Dayton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dayton to Heathrow become cheaper?

Yes! Start tracking prices for Dayton to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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