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Heathrow

$399+ Cheap flights from Dayton (DAY) to Heathrow (LHR)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(Air France)

One-way from

$399
(United Airlines)

Popular in

February

Cheapest in

October

Average price

$1,037
Provider with most accurate pricing for Dayton-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Dayton-London Heathrow flights.
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From Dayton to London Heathrow
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One-way flight from Dayton to London Heathrow
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Highest demand for flights based on searches. 7% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Dayton to Heathrow

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 November 3, 2025.

This Air France deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:34 pmDAY - LHR
1 stop12h 06mMultiple Airlines
Tue 12/28:55 amLHR - DAY
1 stop19h 16mMultiple Airlines
Deal found 11/3$597
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 amDAY - LHR
1 stop20h 45mDelta
Fri 1/98:55 amLHR - DAY
1 stop14h 05mDelta
Deal found 10/31$598
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:22 pmDAY - LHR
2 stops14h 23mDelta
Tue 12/211:05 amLHR - DAY
2 stops28h 25mDelta
Deal found 11/3$602
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:10 pmDAY - LHR
2 stops12h 00mUnited Airlines
Wed 12/1011:10 amLHR - DAY
2 stops17h 20mUnited Airlines
Deal found 11/3$617
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:50 pmDAY - LHR
1 stop33h 05mUnited Airlines
Tue 11/186:50 amLHR - DAY
2 stops33h 18mUnited Airlines
Deal found 11/3$618
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:15 amDAY - LHR
2 stops18h 55mUnited Airlines
Tue 12/169:00 amLHR - DAY
2 stops16h 09mUnited Airlines
Deal found 11/1$619
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:50 pmDAY - LHR
2 stops13h 20mUnited Airlines
Wed 12/106:50 amLHR - DAY
2 stops17h 27mUnited Airlines
Deal found 11/1$622
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:00 pmDAY - LHR
1 stop10h 50mDelta
Sat 1/103:50 pmLHR - DAY
1 stop31h 10mDelta
Deal found 10/31$623
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:17 pmDAY - LHR
2 stops13h 58mDelta
Tue 11/186:20 amLHR - DAY
2 stops21h 50mDelta
Deal found 11/3$644
This KLM deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:29 pmDAY - LHR
1 stop13h 21mKLM
Sat 11/1510:45 amLHR - DAY
1 stop17h 25mKLM
Deal found 11/3$647
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:05 amDAY - LHR
2 stops20h 00mDelta
Sat 11/1511:05 amLHR - DAY
2 stops17h 05mDelta
Deal found 11/3$652

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 3, 2025.
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 11/26

1:22 pm-8:45 am

2 stops14h 23m

London Heathrow

Tue 12/2

11:05 am-10:30 am

2 stops28h 25m

$602

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 12/3

2:10 pm-7:10 am

2 stops12h 00m

London Heathrow

Wed 12/10

11:10 am-11:30 pm

2 stops17h 20m

$617

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 12/11

7:15 am-5:55 am

1 stop17h 40m

London Heathrow

Tue 12/16

9:00 am-8:09 pm

2 stops16h 09m

$619

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 1/8

5:47 pm-6:35 pm

2 stops19h 48m

London Heathrow

Wed 1/14

8:45 am-11:44 pm

2 stops19h 59m

$621

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 12/2

2:50 pm-9:10 am

2 stops13h 20m

London Heathrow

Wed 12/10

6:50 am-7:17 pm

2 stops17h 27m

$622

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 1/8

6:47 pm-11:40 am

1 stop11h 53m

London Heathrow

Wed 1/14

11:30 am-11:28 pm

2 stops16h 58m

$623

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 12/31

6:05 am-11:40 am

1 stop24h 35m

London Heathrow

Sun 1/11

8:55 am-11:28 pm

1 stop19h 33m

$623

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 12/31

4:00 pm-7:50 am

1 stop10h 50m

London Heathrow

Sat 1/10

3:50 pm-6:00 pm

1 stop31h 10m

$623

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 1/8

2:04 pm-7:55 am

1 stop12h 51m

London Heathrow

Wed 1/14

11:10 am-11:44 pm

2 stops17h 34m

$626

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sun 1/11

10:50 am-6:20 am

2 stops14h 30m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 15 results
1
2

Compare providers for flights from Dayton to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dayton to Heathrow in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dayton-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dayton-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dayton-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dayton-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, August is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of $527). Flying from Dayton to London Heathrow Airport in June is currently the most expensive (average of $787). 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.

What is the cheapest time of day to fly from DAY to LHR?

Find hourly flight availability from Dayton to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Dayton to London Heathrow Airport at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated November 3, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and British Airways from Dayton to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,036 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,494 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    Dayton (DAY) is the airport you will fly out of if you book a flight from Dayton to London Heathrow. You should not have trouble finding flights to London Heathrow from Dayton; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Dayton airport to London Heathrow. It is only a 10.0 mi journey to Dayton (DAY) from Dayton’s city center.

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

    For as low as $617, Delta can have you in London Heathrow Airport from Dayton in 12h. The distance between Dayton and London Heathrow Airport is about 3893 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Dayton to London Heathrow Airport round-trip?

    United Airlines, at $630, was found to be the cheapest airline from Dayton to London Heathrow Airport.Alternate airlines to your destination round-trip include British Airways and American Airlines. United Airlines is currently priced 36% below the average price you’ll pay for this route.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of $527). Flying from Dayton to London Heathrow Airport in June is currently the most expensive (average of $787). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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Alternative routes for Dayton to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dayton to Heathrow

Discover the top 3 airlines that operate flights from Dayton to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$630Average$1,001FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$644Average$954FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$754Average$1,176FlexibilityNo cancel feeOn-time71%

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