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Cheap flights from Dayton to London Heathrow Airport from £349

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
23 Jun — 30 Jun1
1 adult

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 18 June 2025.

Round-trip from

£468

One-way from

£349

Popular in

December

Cheapest in

February

Average price

£1,000
United Airlines
  • United Airlines
  • 20/8-26/8
  • 3 total stops
  • 42h 57m total
  • Dayton to London
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KLM
  • KLM
  • 1/8
  • 1 total stop
  • 15h 41m total
  • Dayton to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£116 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£32 potential savings vs. average return price).
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Average for round-trip flights in June 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 18 June 2025.

Wed 20/814:52DAY - LHR
1 stop14h 48mUnited Airlines
Tue 26/814:05LHR - DAY
2 stops28h 09mUnited Airlines
Deal found 17/6£468
Wed 20/818:37DAY - LHR
1 stop13h 53mKLM
Tue 26/815:15LHR - DAY
1 stop13h 08mKLM
Deal found 17/6£485
Sat 11/1015:55DAY - LHR
1 stop33h 50mDelta
Tue 21/1015:15LHR - DAY
1 stop28h 59mDelta
Deal found 16/6£486
Wed 15/1014:47DAY - LHR
2 stops14h 53mLufthansa
Wed 22/1009:30LHR - DAY
2 stops19h 14mLufthansa
Deal found 16/6£495
Tue 15/712:50DAY - LHR
2 stops14h 00mAmerican Airlines
Tue 22/708:55LHR - DAY
2 stops16h 42mAmerican Airlines
Deal found 17/6£524
Thu 14/811:11DAY - LHR
2 stops14h 34mVirgin Atlantic
Thu 21/809:35LHR - DAY
2 stops18h 48mVirgin Atlantic
Deal found 18/6£526
Tue 15/712:50DAY - LHR
1 stop16h 30mBritish Airways
Tue 22/712:30LHR - DAY
1 stop14h 23mBritish Airways
Deal found 17/6£531
Mon 13/1015:55DAY - LHR
1 stop14h 15mMultiple Airlines
Sun 19/1006:30LHR - DAY
2 stops16h 19mMultiple Airlines
Deal found 16/6£889
Thu 14/811:11DAY - LHR
2 stops29h 29mScandinavian Airlines
Thu 21/806:40LHR - DAY
3 stops21h 43mScandinavian Airlines
Deal found 18/6£907
Tue 22/717:38DAY - LHR
1 stop11h 42mFinnair
Fri 1/814:25LHR - DAY
1 stop13h 32mFinnair
Deal found 17/6£939
Thu 21/810:25DAY - LHR
1 stop15h 30mAustrian Airlines
Thu 4/906:00LHR - DAY
2 stops17h 48mAustrian Airlines
Deal found 18/6£1,296

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 18 June 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 20/8

14:52-10:40

1 stop14h 48m

London Heathrow

Tue 26/8

14:05-13:14

2 stops28h 09m

£468

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 20/8

18:37-13:30

1 stop13h 53m

London Heathrow

Tue 26/8

15:15-23:23

1 stop13h 08m

£485

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sat 11/10

15:55-06:45

1 stop33h 50m

London Heathrow

Tue 21/10

15:15-15:14

1 stop28h 59m

£486

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 15/10

14:47-10:40

2 stops14h 53m

London Heathrow

Wed 22/10

09:30-23:44

2 stops19h 14m

£495

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 15/7

12:50-07:50

2 stops14h 00m

London Heathrow

Tue 22/7

08:55-20:37

2 stops16h 42m

£524

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 14/8

11:11-06:45

2 stops14h 34m

London Heathrow

Thu 21/8

09:35-23:23

2 stops18h 48m

£526

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 15/7

12:50-10:20

1 stop16h 30m

London Heathrow

Tue 22/7

12:30-21:53

1 stop14h 23m

£531

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Mon 13/10

15:55-11:10

1 stop14h 15m

London Heathrow

Sun 19/10

06:30-17:49

2 stops16h 19m

£889

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 14/8

11:11-21:40

2 stops29h 29m

London Heathrow

Thu 21/8

06:40-23:23

3 stops21h 43m

£907

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Tue 22/7

17:38-10:20

1 stop11h 42m

London Heathrow

Fri 1/8

14:25-22:57

1 stop13h 32m

£939

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Showing 1-10 of 15 results
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, January is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of £112). Flying from Dayton to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 18 June 2025.
To help decide which airline to fly from Dayton to London, see what other customers have to say about Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,964 reviews
Delta
8.0
Very Good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very Good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very Good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very Good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very Good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Flying on United Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £468. Additional return tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at £485 and £486, respectively. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 £112). Flying from Dayton to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Dayton?

Book flights to Dayton if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Watford
Hayes
Southend-on-Sea
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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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.

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