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Cheap flights from Dayton to London Heathrow Airport from £354

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
20 Aug — 27 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 21 July 2026.

Tue 24/1114:44
DAY
-
LHR
2 stops14h 21m
United Airlines
Thu 26/1107:40
LHR
-
DAY
1 stop21h 04m
United Airlines
Deal found 18/7£569
Mon 16/1119:45
DAY
-
LHR
1 stop29h 55m
United Airlines
Thu 19/1106:35
LHR
-
DAY
2 stops22h 09m
United Airlines
Deal found 16/7£609
Mon 23/1107:15
DAY
-
LHR
1 stop19h 40m
United Airlines
Wed 25/1107:30
LHR
-
DAY
2 stops18h 01m
United Airlines
Deal found 18/7£612
Tue 6/1018:52
DAY
-
LHR
1 stop12h 23m
Iberia
Wed 21/1006:15
LHR
-
DAY
2 stops22h 41m
Iberia
Deal found 17/7£642
Tue 22/919:09
DAY
-
LHR
1 stop10h 41m
Iberia
Tue 29/906:15
LHR
-
DAY
2 stops17h 24m
Iberia
Deal found 20/7£643
Tue 22/911:24
DAY
-
LHR
1 stop18h 56m
Delta
Tue 29/909:55
LHR
-
DAY
2 stops18h 19m
Delta
Deal found 21/7£645
Tue 22/911:30
DAY
-
LHR
2 stops14h 25m
United Airlines
Tue 29/906:50
LHR
-
DAY
2 stops15h 20m
United Airlines
Deal found 21/7£649
Mon 23/1112:35
DAY
-
LHR
1 stop13h 20m
British Airways
Fri 27/1106:15
LHR
-
DAY
2 stops19h 20m
British Airways
Deal found 18/7£659

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 21 July 2026.

Round-trip from

£569

One-way from

£354

Popular in

May

Cheapest in

October

Average price

£481
United Airlines
  • United Airlines
  • 24/11-26/11
  • 3 total stops
  • 35h 25m total
  • Dayton to London
Search Deals
United Airlines
  • United Airlines
  • 12/9
  • 1 total stop
  • 31h 45m total
  • Dayton to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£85 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 21 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

Mon 2/11

18:00-12:00

1 stop13h 00m

London Heathrow

Thu 12/11

06:50-18:41

2 stops16h 51m

£645

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 22/9

11:24-11:20

1 stop18h 56m

London Heathrow

Tue 29/9

09:55-23:14

2 stops18h 19m

£645

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 22/9

11:30-06:55

2 stops14h 25m

London Heathrow

Tue 29/9

06:50-17:10

2 stops15h 20m

£649

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 16/11

10:20-05:55

2 stops14h 35m

London Heathrow

Thu 19/11

06:50-16:51

2 stops15h 01m

£652

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 22/9

15:27-13:15

1 stop16h 48m

London Heathrow

Tue 29/9

09:20-17:54

1 stop13h 34m

£668

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 2/9

14:23-06:45

1 stop11h 22m

London Heathrow

Wed 9/9

06:50-16:29

2 stops14h 39m

£685

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 16/10

09:00-06:55

2 stops16h 55m

London Heathrow

Sat 24/10

07:25-20:19

2 stops17h 54m

£724

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 10/9

11:30-08:30

1 stop16h 00m

London Heathrow

Tue 15/9

06:50-16:29

2 stops14h 39m

£731

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 17/8

11:26-11:20

1 stop18h 54m

London Heathrow

Mon 24/8

15:15-23:56

1 stop13h 41m

£751
Fastest return journey

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 31/8

11:34-06:45

1 stop14h 11m

London Heathrow

Mon 7/9

12:15-19:03

1 stop11h 48m

£774

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £470). Flying from Dayton to London Heathrow Airport in May is currently the most expensive (average of £1,039). 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 13h. Dayton and London Heathrow Airport are separated by a distance of 3893 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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, October is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £470). Flying from Dayton to London Heathrow Airport in May is currently the most expensive (average of £1,039). 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
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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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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