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Cheap flights from Dayton to London Heathrow Airport from £343

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
25 Jun — 2 Jul1
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 26 May 2026.

Mon 16/1113:45
DAY
-
LHR
1 stop17h 15m
United Airlines
Wed 18/1106:50
LHR
-
DAY
2 stops15h 01m
United Airlines
Deal found 25/5£549
Tue 22/914:50
DAY
-
LHR
1 stop14h 50m
Austrian Airlines
Wed 30/912:15
LHR
-
DAY
1 stop11h 26m
Austrian Airlines
Deal found 25/5£621
Tue 22/914:50
DAY
-
LHR
1 stop11h 05m
Austrian Airlines
Tue 29/912:15
LHR
-
DAY
1 stop11h 26m
Austrian Airlines
Deal found 25/5£634
Tue 22/914:23
DAY
-
LHR
1 stop13h 37m
Lufthansa
Tue 29/908:30
LHR
-
DAY
2 stops15h 11m
Lufthansa
Deal found 25/5£642
Tue 22/911:30
DAY
-
LHR
1 stop14h 15m
United Airlines
Wed 30/906:50
LHR
-
DAY
2 stops16h 51m
United Airlines
Deal found 25/5£645
Mon 21/915:27
DAY
-
LHR
1 stop14h 53m
Delta
Wed 30/906:30
LHR
-
DAY
2 stops16h 24m
Delta
Deal found 25/5£645
Tue 22/914:23
DAY
-
LHR
1 stop11h 22m
Multiple Airlines
Wed 30/912:15
LHR
-
DAY
1 stop11h 26m
Multiple Airlines
Deal found 25/5£652
Mon 21/914:50
DAY
-
LHR
1 stop14h 50m
United Airlines
Tue 29/907:30
LHR
-
DAY
2 stops16h 11m
United Airlines
Deal found 25/5£654

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 26 May 2026.

Round-trip from

£549

One-way from

£343

Popular in

March

Cheapest in

January

Average price

£948
United Airlines
  • United Airlines
  • 16/11-18/11
  • 3 total stops
  • 32h 16m total
  • Dayton to London
Search Deals
KLM
  • KLM
  • 15/7
  • 1 total stop
  • 16h 19m total
  • Dayton to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 26 May 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 16/11

13:45-12:00

1 stop17h 15m

London Heathrow

Wed 18/11

06:50-16:51

2 stops15h 01m

£549
Fastest return journey

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 22/9

14:23-09:00

1 stop13h 37m

London Heathrow

Wed 30/9

08:30-18:41

2 stops15h 11m

£642

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 21/9

06:00-07:10

2 stops20h 10m

London Heathrow

Tue 29/9

06:30-23:14

2 stops21h 44m

£648

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 29/7

11:23-08:50

2 stops16h 27m

London Heathrow

Thu 20/8

06:30-17:45

2 stops16h 15m

£693

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 17/8

18:00-11:55

1 stop12h 55m

London Heathrow

Mon 31/8

17:50-19:03

2 stops30h 13m

£699

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 14/8

07:15-10:00

2 stops21h 45m

London Heathrow

Mon 24/8

17:50-16:29

2 stops27h 39m

£738

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 10/9

12:19-10:35

2 stops17h 16m

London Heathrow

Sun 20/9

07:55-23:33

2 stops20h 38m

£814

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 24/7

19:43-10:40

1 stop9h 57m

London Heathrow

Fri 31/7

07:45-23:49

2 stops21h 04m

£827
Cheapest one-way
Fastest single journey

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 15/7

15:56-13:15

1 stop16h 19m

£343

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Sorted by cheapest first

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, January is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £489). Flying from Dayton to London Heathrow Airport in March is currently the most expensive (average of £999). 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 37m. 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, January is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £489). Flying from Dayton to London Heathrow Airport in March is currently the most expensive (average of £999). 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
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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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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