$329+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LHR
May 14 — May 211
Round-trip
1 adult, Economy
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Find cheap flights from Dayton to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dayton to Heathrow
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Best
Last-minute
One-way
Cheapest flights from Dayton to HeathrowExplore 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 April 14, 2026.
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 April 14, 2026.
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Sun 10/189:00 am
DAY
- LHR
1 stop19h 00m
United Airlines
Tue 10/208:45 am
LHR
- DAY
2 stops19h 59m
United Airlines
Deal found 4/13![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 10/192:44 pm
DAY
- LHR
2 stops12h 36m
United Airlines
Tue 10/2010:50 am
LHR
- DAY
2 stops17h 54m
United Airlines
Deal found 4/13![United Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 4/12. 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 10/207:45 pm
DAY
- LHR
2 stops14h 55m
United Airlines
Thu 10/228:00 am
LHR
- DAY
2 stops15h 41m
United Airlines
Deal found 4/12![United Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Sun 10/189:09 pm
DAY
- LHR
1 stop33h 46m
United Airlines
Wed 10/218:40 am
LHR
- DAY
2 stops18h 43m
United Airlines
Deal found 4/13![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 4/13. 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 10/177:45 pm
DAY
- LHR
1 stop30h 10m
United Airlines
Tue 10/206:55 am
LHR
- DAY
2 stops20h 28m
United Airlines
Deal found 4/13![United Airlines logo]()
$832
This United Airlines deal was found by Cheapflights users on 4/13. 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 10/2110:20 am
DAY
- LHR
2 stops15h 10m
United Airlines
Thu 10/229:30 am
LHR
- DAY
2 stops14h 11m
United Airlines
Deal found 4/13![United Airlines logo]()
$840
This KAYAK deal was found by Cheapflights users on 4/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:45 pm
DAY
- LHR
2 stops14h 55m
Lufthansa
Fri 10/236:55 am
LHR
- DAY
2 stops21h 49m
Lufthansa
Deal found 4/12![Lufthansa logo]()
$841
Best flights from Dayton to HeathrowDiscover carefully curated flight deals from Dayton to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 14, 2026.
Discover carefully curated flight deals from Dayton to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 14, 2026.
This Delta deal was found by Cheapflights users on 4/11. 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.
Tue 9/811:05 am
DAY
- LHR
1 stop21h 10m
Delta
Fri 10/211:15 am
LHR
- DAY
1 stop17h 00m
Delta
Deal found 4/11![Delta logo]()
$899
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 8/149:00 am
DAY
- LHR
1 stop16h 45m
United Airlines
Mon 8/245:50 pm
LHR
- DAY
2 stops31h 41m
United Airlines
Deal found 4/10![United Airlines logo]()
$933
This Virgin Atlantic deal was found by Cheapflights users on 4/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:17 pm
DAY
- LHR
2 stops15h 03m
Virgin Atlantic
Tue 5/269:55 am
LHR
- DAY
2 stops18h 37m
Virgin Atlantic
Deal found 4/13![Virgin Atlantic logo]()
$963
This United Airlines deal was found by Cheapflights users on 4/11. 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 9/56:00 pm
DAY
- LHR
2 stops31h 30m
United Airlines
Sat 10/36:50 am
LHR
- DAY
2 stops31h 57m
United Airlines
Deal found 4/11![United Airlines logo]()
$934
This Delta deal was found by Cheapflights users on 4/12. 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.
Sun 10/42:55 pm
DAY
- LHR
1 stop15h 25m
Delta
Mon 10/129:20 am
LHR
- DAY
1 stop13h 29m
Delta
Deal found 4/12![Delta logo]()
$949
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Mon 10/57:45 pm
DAY
- LHR
1 stop11h 10m
United Airlines
Sun 10/119:30 am
LHR
- DAY
2 stops19h 14m
United Airlines
Deal found 4/12![United Airlines logo]()
$952
This Delta deal was found by Cheapflights users on 4/12. 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.
Mon 10/511:05 am
DAY
- LHR
2 stops16h 45m
Delta
Mon 10/123:15 pm
LHR
- DAY
1 stop12h 59m
Delta
Deal found 4/12![Delta logo]()
$954
This Delta deal was found by Cheapflights users on 4/12. 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.
Sun 10/411:05 am
DAY
- LHR
2 stops14h 40m
Delta
Sun 10/1111:45 am
LHR
- DAY
2 stops16h 29m
Delta
Deal found 4/12![Delta logo]()
$954
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Fri 7/317:43 pm
DAY
- LHR
2 stops20h 42m
United Airlines
Fri 8/145:40 pm
LHR
- DAY
2 stops28h 11m
United Airlines
Deal found 4/12![United Airlines logo]()
$966
This Delta deal was found by Cheapflights users on 4/9. 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.
Fri 5/16:00 am
DAY
- LHR
1 stop19h 25m
Delta
Fri 5/156:30 am
LHR
- DAY
2 stops16h 30m
Delta
Deal found 4/9![Delta logo]()
$1,074
Last-minute flights from Dayton to HeathrowDiscover last-minute flight deals from Dayton to Heathrow. Data last updated April 14, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to Heathrow. Data last updated April 14, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 4/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:36 pm
DAY
- LHR
1 stop10h 54m
Iberia
Tue 5/126:15 am
LHR
- DAY
2 stops21h 01m
Iberia
Deal found 4/11![Iberia logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Fri 5/87:35 pm
DAY
- LHR
1 stop10h 05m
United Airlines
Fri 5/2212:15 pm
LHR
- DAY
1 stop11h 46m
United Airlines
Deal found 4/9![United Airlines logo]()
$1,007
This oojo deal was found by Cheapflights users on 4/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:10 pm
DAY
- LHR
1 stop11h 55m
British Airways
Mon 5/187:25 pm
LHR
- DAY
2 stops27h 41m
British Airways
Deal found 4/13![British Airways logo]()
$924
This KLM deal was found by Cheapflights users on 4/13. 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.
Mon 5/116:46 pm
DAY
- LHR
1 stop11h 34m
KLM
Tue 5/266:30 am
LHR
- DAY
2 stops16h 30m
KLM
Deal found 4/13![KLM logo]()
$953
This Virgin Atlantic deal was found by Cheapflights users on 4/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:17 pm
DAY
- LHR
2 stops15h 03m
Virgin Atlantic
Tue 5/269:55 am
LHR
- DAY
2 stops18h 37m
Virgin Atlantic
Deal found 4/13![Virgin Atlantic logo]()
$963
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:46 pm
DAY
- LHR
1 stop11h 34m
Virgin Atlantic
Mon 5/183:15 pm
LHR
- DAY
1 stop13h 17m
Virgin Atlantic
Deal found 4/13![Virgin Atlantic logo]()
$998
This KLM deal was found by Cheapflights users on 4/13. 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.
Tue 5/123:17 pm
DAY
- LHR
1 stop15h 03m
KLM
Tue 5/196:30 am
LHR
- DAY
2 stops16h 30m
KLM
Deal found 4/13![KLM logo]()
$930
This Virgin Atlantic deal was found by Cheapflights users on 4/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:20 am
DAY
- LHR
2 stops14h 55m
Virgin Atlantic
Tue 5/1911:45 am
LHR
- DAY
2 stops16h 47m
Virgin Atlantic
Deal found 4/13![Virgin Atlantic logo]()
$935
This oojo deal was found by Cheapflights users on 4/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:36 pm
DAY
- LHR
1 stop10h 54m
British Airways
Tue 5/191:10 pm
LHR
- DAY
1 stop14h 06m
British Airways
Deal found 4/13![British Airways logo]()
$954
One-way flights from Dayton to HeathrowSearch for one-way flight options from Dayton to Heathrow. Find affordable one-way fares based on user searches. Data last updated April 14, 2026.
Search for one-way flight options from Dayton to Heathrow. Find affordable one-way fares based on user searches. Data last updated April 14, 2026.
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:54 pm
DAY
- LHR
1 stop13h 16m
American Airlines
Deal found 4/13![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 4/10. 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 7/226:00 am
DAY
- LHR
2 stops19h 45m
Delta
Deal found 4/10![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 4/13. 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 9/1510:20 am
DAY
- LHR
2 stops15h 10m
United Airlines
Deal found 4/13![United Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:07 pm
DAY
- LHR
2 stops12h 18m
American Airlines
Deal found 4/13![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/10. 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.
Thu 7/236:38 pm
DAY
- LHR
1 stop13h 37m
Delta
Deal found 4/10![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 4/13. 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 9/166:40 pm
DAY
- LHR
1 stop11h 40m
Delta
Deal found 4/13![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:35 pm
DAY
- LHR
2 stops15h 45m
American Airlines
Deal found 4/13![American Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 4/13. 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.
Thu 9/176:40 pm
DAY
- LHR
1 stop13h 35m
Delta
Deal found 4/13![Delta logo]()
$459
This Finnair deal was found by Cheapflights users on 4/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:35 pm
DAY
- LHR
2 stops35h 55m
Finnair
Deal found 4/13![Finnair logo]()
$464
This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:35 pm
DAY
- LHR
2 stops14h 55m
American Airlines
Deal found 4/13![American Airlines logo]()
$478
This Booking.com deal was found by Cheapflights users on 4/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:11 pm
DAY
- LHR
1 stop14h 04m
British Airways
Deal found 4/10![British Airways logo]()
$545
This Delta deal was found by Cheapflights users on 4/10. 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.
Mon 5/42:49 pm
DAY
- LHR
2 stops16h 16m
Delta
Deal found 4/10![Delta logo]()
$558
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 April 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $870 (United Airlines) |
One-way from | $329 (American Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $880 |
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 April 14, 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
Cheapest round-trip
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Tue 9/8
11:05 am-1:15 pm
1 stop21h 10m
London Heathrow
Fri 10/2
11:15 am-11:15 pm
1 stop17h 00m
$899
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Fri 8/14
9:00 am-6:45 am
1 stop16h 45m
London Heathrow
Mon 8/24
5:50 pm-8:31 pm
2 stops31h 41m
$933
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Sat 9/5
6:00 pm-6:30 am
2 stops31h 30m
London Heathrow
Sat 10/3
6:50 am-9:47 am
2 stops31h 57m
$934
Quickest round-trip
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Sun 10/4
2:55 pm-11:20 am
1 stop15h 25m
London Heathrow
Mon 10/12
9:20 am-5:49 pm
1 stop13h 29m
$949
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Mon 10/5
7:45 pm-11:55 am
1 stop11h 10m
London Heathrow
Sun 10/11
9:30 am-11:44 pm
2 stops19h 14m
$952
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Mon 10/5
11:05 am-8:50 am
2 stops16h 45m
London Heathrow
Mon 10/12
3:15 pm-11:14 pm
1 stop12h 59m
$954
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Sun 10/4
11:05 am-6:45 am
2 stops14h 40m
London Heathrow
Sun 10/11
11:45 am-11:14 pm
2 stops16h 29m
$954
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Mon 5/11
3:17 pm-11:20 am
2 stops15h 03m
London Heathrow
Tue 5/26
9:55 am-11:32 pm
2 stops18h 37m
$963
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Fri 7/31
7:43 pm-9:25 pm
2 stops20h 42m
London Heathrow
Fri 8/14
5:40 pm-4:51 pm
2 stops28h 11m
$966
DaytonLondon
DAY - LHR
DAYLHR
Dayton
Fri 5/1
6:00 am-6:25 am
1 stop19h 25m
London Heathrow
Fri 5/15
6:30 am-6:00 pm
2 stops16h 30m
$1,074
Showing 1-10 of 21 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Dayton-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
DAY-LHR
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, March is the cheapest month in which you can book a flight from Dayton to London Heathrow Airport (average of $480). Flying from Dayton to London Heathrow Airport in July is currently the most expensive (average of $712). 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 to fly round-trip from Dayton to London Heathrow Airport?
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 April 14, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines 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.
Overall
7.4
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
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Top 2 airlines flying from Dayton to Heathrow
Discover the top 2 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 April 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$630 | Average$1,001 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$762 | Average$1,259 | FlexibilityNo cancel fee | On-time71% |