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Cheap flights from Dayton to London Heathrow Airport from £347

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
5 Aug — 12 Aug1
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 6 July 2026.

Sat 10/1019:33
DAY
-
LHR
1 stop30h 22m
United Airlines
Tue 13/1006:50
LHR
-
DAY
2 stops17h 08m
United Airlines
Deal found 1/7£558
Sun 11/1007:00
DAY
-
LHR
2 stops22h 15m
United Airlines
Tue 13/1008:00
LHR
-
DAY
1 stop17h 19m
United Airlines
Deal found 1/7£570
Sat 10/1017:58
DAY
-
LHR
1 stop12h 57m
United Airlines
Mon 12/1006:50
LHR
-
DAY
2 stops18h 29m
United Airlines
Deal found 1/7£629
Wed 2/1214:55
DAY
-
LHR
1 stop13h 05m
KLM
Tue 15/1206:30
LHR
-
DAY
2 stops16h 19m
KLM
Deal found 6/7£644
Tue 22/906:00
DAY
-
LHR
1 stop19h 25m
Delta
Tue 29/909:55
LHR
-
DAY
2 stops18h 19m
Delta
Deal found 2/7£646
Sun 11/1015:25
DAY
-
LHR
1 stop14h 55m
Delta
Wed 14/1009:55
LHR
-
DAY
2 stops18h 22m
Delta
Deal found 1/7£650
Sat 17/1019:33
DAY
-
LHR
2 stops29h 57m
United Airlines
Fri 23/1007:25
LHR
-
DAY
2 stops21h 33m
United Airlines
Deal found 2/7£652

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 6 July 2026.

Round-trip from

£558

One-way from

£347

Popular in

May

Cheapest in

July

Average price

£483
United Airlines
  • United Airlines
  • 10/10-13/10
  • 3 total stops
  • 47h 30m total
  • Dayton to London
Search Deals
Delta
  • Delta
  • 7/9
  • 2 total stops
  • 19h 20m total
  • Dayton to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 6 July 2026.
Use the filters below to find and compare flights from Dayton to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 22/9

11:24-10:20

2 stops17h 56m

London Heathrow

Tue 29/9

06:30-23:14

2 stops21h 44m

£649

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 1/12

10:20-07:55

2 stops16h 35m

London Heathrow

Wed 9/12

06:35-18:41

2 stops17h 06m

£650

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 12/10

14:55-06:55

1 stop11h 00m

London Heathrow

Fri 23/10

07:30-10:57

2 stops32h 27m

£655

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 14/10

09:00-06:30

2 stops16h 30m

London Heathrow

Fri 23/10

07:30-09:47

2 stops31h 17m

£656

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sat 10/10

11:23-06:20

2 stops13h 57m

London Heathrow

Wed 14/10

09:55-23:17

2 stops18h 22m

£690

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 19/8

15:06-13:05

2 stops16h 59m

London Heathrow

Wed 26/8

09:55-23:56

2 stops19h 01m

£698

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 19/8

14:23-08:30

1 stop13h 07m

London Heathrow

Wed 26/8

14:05-14:15

2 stops29h 10m

£702
Fastest return journey

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 6/8

11:26-06:25

1 stop13h 59m

London Heathrow

Wed 19/8

11:45-23:56

2 stops17h 11m

£733

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 21/8

07:15-06:45

1 stop18h 30m

London Heathrow

Wed 26/8

06:50-17:30

2 stops15h 40m

£733
Cheapest one-way

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 7/9

06:00-06:20

2 stops19h 20m

£347

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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, July is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £483). Flying from Dayton to London Heathrow Airport in May is currently the most expensive (average of £1,043). 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.

How much does it cost for a return flight from Dayton to London Heathrow Airport?

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 35m. 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, July is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £483). Flying from Dayton to London Heathrow Airport in May is currently the most expensive (average of £1,043). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Swindon
Eastbourne
Poole
Southall
Aylesbury
Romford

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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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