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Cheap flights from Ithaca to London Heathrow Airport from £326

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — LHR
17 Mar — 24 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ithaca to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Ithaca to Heathrow
Explore the most affordable flight options available from Ithaca to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 February 2026.

Sun 10/513:22
ITH
-
LHR
1 stop14h 28m
Multiple Airlines
Tue 19/511:45
LHR
-
ITH
2 stops17h 01m
Multiple Airlines
Deal found 11/2£521
Tue 15/906:00
ITH
-
LHR
1 stop19h 55m
United Airlines
Fri 25/914:05
LHR
-
ITH
2 stops38h 25m
United Airlines
Deal found 12/2£530
Mon 11/519:40
ITH
-
LHR
1 stop10h 00m
United Airlines
Mon 18/506:50
LHR
-
ITH
2 stops16h 59m
United Airlines
Deal found 11/2£540
Sun 10/513:22
ITH
-
LHR
1 stop14h 28m
Air France
Tue 19/511:45
LHR
-
ITH
1 stop17h 01m
Air France
Deal found 11/2£542
Sun 10/513:22
ITH
-
LHR
1 stop14h 28m
KLM
Mon 18/511:45
LHR
-
ITH
2 stops17h 01m
KLM
Deal found 11/2£558
Tue 24/319:35
ITH
-
LHR
1 stop11h 15m
United Airlines
Mon 6/412:05
LHR
-
ITH
2 stops16h 54m
United Airlines
Deal found 11/2£562
Sun 17/519:40
ITH
-
LHR
1 stop10h 00m
United Airlines
Tue 9/607:25
LHR
-
ITH
2 stops16h 37m
United Airlines
Deal found 13/2£572
Wed 20/505:35
ITH
-
LHR
1 stop19h 45m
Delta
Tue 9/608:40
LHR
-
ITH
2 stops19h 47m
Delta
Deal found 13/2£574
Wed 20/513:22
ITH
-
LHR
1 stop17h 43m
Delta
Wed 10/609:55
LHR
-
ITH
2 stops18h 32m
Delta
Deal found 13/2£575
Sat 16/519:40
ITH
-
LHR
1 stop30h 15m
United Airlines
Wed 10/606:50
LHR
-
ITH
2 stops21h 54m
United Airlines
Deal found 13/2£575

Find flight deals from Ithaca to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Ithaca (ITH) 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 15 February 2026.

Round-trip from

£521

One-way from

£326

Popular in

June

Cheapest in

November
KLM
  • KLM
  • 10/5-19/5
  • 3 total stops
  • 31h 29m total
  • Ithaca to London
Search Deals
United Airlines
  • United Airlines
  • 24/6
  • 2 total stops
  • 22h 35m total
  • Ithaca to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£37 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ithaca 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 15 February 2026.
Use the filters below to find and compare flights from Ithaca to London Heathrow Airport that are best for you.

Fly from

Ithaca

Fly to

Heathrow

Route

Depart

Return

Price

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 12/5

13:22-08:50

1 stop14h 28m

London Heathrow

Mon 18/5

11:45-23:46

2 stops17h 01m

£558

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 25/3

06:00-08:25

2 stops22h 25m

London Heathrow

Mon 6/4

12:05-23:59

2 stops16h 54m

£565

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 24/3

19:35-20:35

2 stops21h 00m

London Heathrow

Mon 6/4

12:05-23:59

2 stops16h 54m

£565

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 19/5

19:40-10:40

1 stop10h 00m

London Heathrow

Tue 9/6

06:50-23:44

2 stops21h 54m

£572

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 18/5

19:40-10:40

1 stop10h 00m

London Heathrow

Tue 9/6

06:55-19:02

2 stops17h 07m

£572

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 20/5

13:22-12:05

1 stop17h 43m

London Heathrow

Wed 10/6

09:55-23:27

2 stops18h 32m

£575

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Sat 16/5

19:40-06:55

1 stop30h 15m

London Heathrow

Wed 10/6

06:50-23:44

2 stops21h 54m

£575

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 19/5

05:35-11:20

2 stops24h 45m

London Heathrow

Tue 9/6

06:30-23:27

2 stops21h 57m

£578

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 18/5

05:35-09:15

2 stops22h 40m

London Heathrow

Tue 9/6

06:30-23:27

2 stops21h 57m

£578

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 11/5

13:22-10:20

1 stop15h 58m

London Heathrow

Sun 17/5

15:50-23:46

1 stop12h 56m

£579

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 15 results
1
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Best time to book a flight from Ithaca to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ithaca 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 Ithaca to London Heathrow Airport

What is the cheapest month to book a flight from Ithaca to London Heathrow Airport?

Currently, December is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of £166). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of £633). 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.

Related info for your journey

Find useful and relevant information for your journey from Ithaca 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 Ithaca to London Heathrow?

    Ithaca Tompkins County (ITH) is the airport you will fly out of if you book a flight from Ithaca to London Heathrow. You should not have trouble finding flights to London Heathrow from Tompkins County; 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 0 airlines have flights from the Ithaca airport to London Heathrow. It is only a 4.0 mi journey to Tompkins County (ITH) from Ithaca’s city center.

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

    Departing from Ithaca to London Heathrow Airport will take you 14h 28m. Ithaca and London Heathrow Airport are separated by a distance of 3469 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ithaca to Heathrow that include hotel bookings?

    Yes. In addition to deals on Ithaca to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ithaca to Heathrow?

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

  • Can I find deals for business class flights from Ithaca to Heathrow?

    Yes. Cheapflights offers flight deals from Ithaca 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 Ithaca to London Heathrow Airport?

    Currently, December is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of £166). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of £633). 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
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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Yes, we can. To see specific flights from Ithaca to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ithaca to Heathrow become cheaper?

Yes! Start tracking prices for Ithaca 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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