HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$626+ Cheap flights from Dayton (DAY) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LON
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dayton to London 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 London

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to London (LON). 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 July 31, 2025.

Round-trip from

$626
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$1,116
From Dayton to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Dayton to London

Cheapest flights from Dayton to London
Explore the most affordable flight options available from Dayton to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:52 pmDAY - LHR
1 stop11h 03mUnited Airlines
Tue 8/262:05 pmLHR - DAY
2 stops28h 09mUnited Airlines
Deal found 7/31$626
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:20 pmDAY - LHR
2 stops15h 05mBritish Airways
Tue 8/267:45 amLHR - DAY
2 stops19h 02mBritish Airways
Deal found 7/31$636
This KLM deal was found by Cheapflights users on 7/30. 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.
Sun 9/76:00 amDAY - LHR
1 stop19h 45mKLM
Fri 9/199:20 amLHR - DAY
1 stop13h 32mKLM
Deal found 7/30$650
This Delta deal was found by Cheapflights users on 7/30. 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 9/74:30 pmDAY - LHR
2 stops13h 55mDelta
Fri 9/198:25 pmLHR - DAY
2 stops21h 04mDelta
Deal found 7/30$654
This Delta deal was found by Cheapflights users on 7/30. 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 9/511:11 amDAY - LGW
2 stops17h 49mDelta
Mon 9/812:00 pmLGW - DAY
2 stops16h 23mDelta
Deal found 7/30$712
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/256:07 amDAY - LGW
2 stops21h 03mAmerican Airlines
Mon 9/112:20 pmLGW - DAY
2 stops16h 21mAmerican Airlines
Deal found 7/30$722
This Lufthansa deal was found by Cheapflights users on 7/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:10 pmDAY - LHR
2 stops14h 35mLufthansa
Wed 11/2611:10 amLHR - DAY
2 stops17h 33mLufthansa
Deal found 7/31$750
This Delta deal was found by Cheapflights users on 7/31. 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 10/2911:09 amDAY - LCY
2 stops16h 06mDelta
Mon 11/37:45 amLCY - DAY
2 stops20h 22mDelta
Deal found 7/31$776
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:25 amDAY - LCY
2 stops16h 55mLufthansa
Thu 9/48:45 amLCY - DAY
2 stops19h 59mLufthansa
Deal found 7/30$1,054
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:42 amDAY - LCY
3 stops18h 58mMultiple Airlines
Fri 9/198:55 amLCY - DAY
2 stops14h 53mMultiple Airlines
Deal found 7/31$1,069
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:00 pmDAY - LGW
1 stop32h 00mMultiple Airlines
Sun 10/1912:20 pmLGW - DAY
1 stop26h 13mMultiple Airlines
Deal found 7/30$1,229
This oojo deal was found by Cheapflights users on 7/30. 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.
Thu 8/2112:43 pmDAY - LCY
2 stops20h 42mBritish Airways
Sun 9/71:20 pmLCY - DAY
2 stops38h 42mBritish Airways
Deal found 7/30$1,528

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton to London 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 July 31, 2025.
Use the filters below to find and compare flights from Dayton to London that are best for you.

Fly from

Dayton

Fly to

London

Route

Depart

Return

Price

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 8/20

2:52 pm-6:55 am

1 stop11h 03m

London Heathrow

Tue 8/26

2:05 pm-1:14 pm

2 stops28h 09m

$626

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Wed 8/20

5:20 pm-1:25 pm

2 stops15h 05m

London Heathrow

Tue 8/26

7:45 am-9:47 pm

2 stops19h 02m

$636

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sun 9/7

6:00 am-6:45 am

1 stop19h 45m

London Heathrow

Fri 9/19

9:20 am-5:52 pm

1 stop13h 32m

$650

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Sun 9/7

4:30 pm-11:25 am

2 stops13h 55m

London Heathrow

Fri 9/19

8:25 pm-12:29 pm

2 stops21h 04m

$654

DaytonLondon

DAY - LGW

DAYLGW

Dayton

Fri 9/5

11:11 am-10:00 am

2 stops17h 49m

London Gatwick

Mon 9/8

12:00 pm-11:23 pm

2 stops16h 23m

$712

DaytonLondon

DAY - LGW

DAYLGW

Dayton

Mon 8/25

6:07 am-8:10 am

2 stops21h 03m

London Gatwick

Mon 9/1

12:20 pm-11:41 pm

2 stops16h 21m

$722

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Thu 11/20

2:10 pm-9:45 am

2 stops14h 35m

London Heathrow

Wed 11/26

11:10 am-11:43 pm

2 stops17h 33m

$750

DaytonLondon

DAY - LCY

DAYLCY

Dayton

Wed 10/29

11:09 am-7:15 am

2 stops16h 06m

London City

Mon 11/3

7:45 am-11:07 pm

2 stops20h 22m

$776

DaytonLondon

DAY - LHR

DAYLHR

Dayton

Fri 11/21

3:55 pm-10:50 am

2 stops13h 55m

London Heathrow

Wed 11/26

2:20 pm-11:14 pm

1 stop13h 54m

$825

DaytonLondon

DAY - LCY

DAYLCY

Dayton

Thu 8/28

10:25 am-8:20 am

2 stops16h 55m

London City

Thu 9/4

8:45 am-11:44 pm

2 stops19h 59m

$1,054

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 13 results
1
2

Best time to book a flight from Dayton to London

Have a flexible travel schedule? Discover the best time to fly to London 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

What is the cheapest month to book a flight from Dayton to London?

Currently, November is the cheapest month in which you can book a flight from Dayton to London (average of $661). Flying from Dayton to London in June is currently the most expensive (average of $1,097). 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 LON?

Find hourly flight availability from Dayton to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from Dayton to London, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the morning.

What is the cheapest day to fly from Dayton to London?

Use this chart to determine the cheapest time to fly round-trip from Dayton to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dayton to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Dayton to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Dayton to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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 London. 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?

    For a flight from Dayton to London, you will be flying from Dayton. Dayton (DAY) is just 10.0 mi from the center of the city. Dayton is the only Dayton airport and it handles 0 outbound flights to London per day. 4 airlines have flights to London from Dayton on a regular basis.

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

    Our cheapest airline available from Dayton to London is United Airlines. Our recent data shows that you can find tickets from as low as $626 on this airline. Additional options worth looking into are British Airways and KLM, starting at $636 and $650 round-trip. United Airlines is currently priced 33% below the average price you’ll pay for this route.

  • What are the most popular routes from Dayton to London?

    Most travelers choose Dayton - London Heathrow, Dayton - London City or Dayton - London Gatwick when deciding on the best route from Dayton to London.

  • Can I find deals for flights from Dayton to London that include hotel bookings?

    Yes. In addition to deals on Dayton to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dayton to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to London.

  • Can I find deals for business class flights from Dayton to London?

    Yes. Cheapflights offers flight deals from Dayton to London 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?

    Currently, November is the cheapest month in which you can book a flight from Dayton to London (average of $661). Flying from Dayton to London in June is currently the most expensive (average of $1,097). 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

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.

Alternative routes for Dayton to London

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Heathrow flights
Pittsburgh to Heathrow flights
Cincinnati to Heathrow flights
Detroit to Gatwick flights
Cleveland to Heathrow flights
Detroit to London City flights
Pittsburgh to Gatwick flights
Cincinnati to Gatwick flights
Cleveland to Gatwick flights
Columbus to Heathrow flights
Cincinnati to London City flights
Pittsburgh to London City flights
Cleveland to London City flights
Columbus to Gatwick flights
Detroit to Stansted flights
Detroit to Edinburgh flights
Cincinnati to Edinburgh flights
Cleveland to Luton flights
Cleveland to Stansted flights
Pittsburgh to Edinburgh flights
Pittsburgh to Stansted flights
Columbus to London City flights
Dayton to Heathrow flights
Cincinnati to Stansted flights
Columbus to Edinburgh flights
Akron to Heathrow flights
Detroit to Manchester flights
Detroit to Luton flights
Cleveland to Manchester flights
Detroit to Birmingham flights
Cincinnati to Luton flights
Pittsburgh to Luton flights
Cleveland to Edinburgh flights
Columbus to Stansted flights
Columbus to Manchester flights
Akron to Edinburgh flights
Cincinnati to Manchester flights
Dayton to London City flights
Dayton to Gatwick flights
Pittsburgh to Manchester flights
Cleveland to Birmingham flights
Detroit to Liverpool flights
Cleveland to Southampton flights
Cleveland to Bristol flights
Dayton to Edinburgh flights
Detroit to Leeds flights
Dayton to Manchester flights
Pittsburgh to Birmingham flights
Pittsburgh to Bristol flights
Akron to London City flights

Top 4 airlines flying from Dayton to London

Discover the top 4 airlines that operate flights from Dayton to London. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$704Average$899FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$718Average$954FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$1,001FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$737Average$1,108FlexibilityNo cancel feeOn-time71%

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.