Find flights
When to book
FAQs

Cheap flights from Dayton to London Heathrow Airport from £245

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
14 May — 21 May1
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 14 April 2026.

Sun 18/1009:00
DAY
-
LHR
1 stop19h 00m
United Airlines
Tue 20/1008:45
LHR
-
DAY
2 stops19h 59m
United Airlines
Deal found 13/4£555
Mon 19/1014:44
DAY
-
LHR
2 stops12h 36m
United Airlines
Wed 21/1007:25
LHR
-
DAY
2 stops19h 58m
United Airlines
Deal found 13/4£556
Mon 19/1014:44
DAY
-
LHR
2 stops14h 31m
United Airlines
Tue 20/1014:10
LHR
-
DAY
1 stop14h 34m
United Airlines
Deal found 13/4£568
Tue 20/1019:45
DAY
-
LHR
2 stops14h 55m
United Airlines
Thu 22/1008:00
LHR
-
DAY
2 stops15h 41m
United Airlines
Deal found 12/4£573
Sun 18/1021:09
DAY
-
LHR
1 stop33h 46m
United Airlines
Wed 21/1008:40
LHR
-
DAY
2 stops18h 43m
United Airlines
Deal found 13/4£613
Sat 17/1019:45
DAY
-
LHR
1 stop30h 10m
United Airlines
Tue 20/1006:55
LHR
-
DAY
2 stops20h 28m
United Airlines
Deal found 13/4£619
Wed 21/1010:20
DAY
-
LHR
2 stops15h 10m
United Airlines
Thu 22/1009:30
LHR
-
DAY
2 stops14h 11m
United Airlines
Deal found 13/4£625
Wed 21/1019:45
DAY
-
LHR
2 stops14h 55m
Lufthansa
Fri 23/1006:55
LHR
-
DAY
2 stops21h 49m
Lufthansa
Deal found 12/4£625

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 14 April 2026.

Round-trip from

£647

One-way from

£245

Popular in

March

Cheapest in

January

Average price

£654
United Airlines
  • United Airlines
  • 7/9-2/10
  • 3 total stops
  • 29h 46m total
  • Dayton to London
Search Deals
American Airlines
  • American Airlines
  • 15/9
  • 1 total stop
  • 13h 16m total
  • Dayton to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 14 April 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

Wed 2/9

10:20-06:30

2 stops15h 10m

London Heathrow

Tue 6/10

07:30-18:56

2 stops16h 26m

£658

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 8/9

11:05-13:15

1 stop21h 10m

London Heathrow

Fri 2/10

11:15-23:15

1 stop17h 00m

£668

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 12/5

15:17-11:20

1 stop15h 03m

London Heathrow

Tue 19/5

06:30-18:00

2 stops16h 30m

£692

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 14/8

09:00-06:45

1 stop16h 45m

London Heathrow

Mon 24/8

17:50-20:31

2 stops31h 41m

£694

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 12/5

11:20-07:15

2 stops14h 55m

London Heathrow

Tue 19/5

11:45-23:32

2 stops16h 47m

£695
Fastest return journey

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sun 4/10

14:55-11:20

1 stop15h 25m

London Heathrow

Mon 12/10

09:20-17:49

1 stop13h 29m

£706

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 5/10

19:45-11:55

1 stop11h 10m

London Heathrow

Sun 11/10

09:30-23:44

2 stops19h 14m

£708

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sun 4/10

11:05-06:45

2 stops14h 40m

London Heathrow

Sun 11/10

11:45-23:14

2 stops16h 29m

£709

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 31/7

10:23-06:55

1 stop15h 32m

London Heathrow

Fri 14/8

17:40-16:51

2 stops28h 11m

£715

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 11/5

15:17-11:20

2 stops15h 03m

London Heathrow

Tue 26/5

09:55-23:32

2 stops18h 37m

£716

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 20 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, March is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £357). Flying from Dayton to London Heathrow Airport in July is currently the most expensive (average of £529). 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 14h 55m. 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, March is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £357). Flying from Dayton to London Heathrow Airport in July is currently the most expensive (average of £529). 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
Wembley
Croydon
Northampton
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dayton to Heathrow?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.