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Cheap flights from Ithaca to London Heathrow Airport from £330

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
31 Mar — 7 Apr1
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 1 March 2026.

Sat 5/1219:50
ITH
-
LHR
2 stops55h 15m
United Airlines
Wed 9/1207:30
LHR
-
ITH
2 stops21h 00m
United Airlines
Deal found 25/2£471
Thu 10/906:00
ITH
-
LHR
1 stop19h 55m
United Airlines
Wed 16/906:55
LHR
-
ITH
2 stops21h 35m
United Airlines
Deal found 25/2£526
Mon 13/410:30
ITH
-
LHR
1 stop19h 10m
United Airlines
Mon 20/417:50
LHR
-
ITH
2 stops35h 09m
United Airlines
Deal found 27/2£551
Mon 11/513:36
ITH
-
LHR
1 stop11h 44m
Delta
Fri 22/515:20
LHR
-
ITH
2 stops26h 22m
Delta
Deal found 28/2£552
Mon 11/513:36
ITH
-
LHR
1 stop15h 44m
KLM
Fri 22/516:20
LHR
-
ITH
1 stop12h 26m
KLM
Deal found 28/2£563
Thu 7/510:30
ITH
-
LHR
2 stops18h 45m
United Airlines
Thu 14/506:50
LHR
-
ITH
2 stops21h 54m
United Airlines
Deal found 26/2£569

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 1 March 2026.

Round-trip from

£551

One-way from

£330

Popular in

June

Cheapest in

November

Average price

£858
United Airlines
  • United Airlines
  • 13/4-20/4
  • 3 total stops
  • 54h 19m total
  • Ithaca to London
Search Deals
United Airlines
  • United Airlines
  • 24/6
  • 2 total stops
  • 23h 15m total
  • Ithaca to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 1 March 2026.
Use the filters below to find and compare flights from Ithaca to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 7/5

10:30-10:15

2 stops18h 45m

London Heathrow

Thu 14/5

06:50-23:44

2 stops21h 54m

£569

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 24/3

19:35-10:50

1 stop11h 15m

London Heathrow

Mon 6/4

08:00-23:59

2 stops20h 59m

£603

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 7/5

13:36-07:15

1 stop12h 39m

London Heathrow

Sun 17/5

08:40-23:46

2 stops20h 06m

£608

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 7/5

13:36-08:50

1 stop14h 14m

London Heathrow

Sun 17/5

16:20-23:46

1 stop12h 26m

£622

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 19/5

05:40-20:10

1 stop9h 30m

London Heathrow

Sat 13/6

16:20-23:27

1 stop12h 07m

£660

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 29/7

06:00-06:55

1 stop19h 55m

London Heathrow

Tue 11/8

11:05-23:30

2 stops17h 25m

£672

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Sun 31/5

19:50-16:25

2 stops39h 35m

London Heathrow

Sat 6/6

06:50-19:02

2 stops17h 12m

£713

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 24/6

06:00-10:15

2 stops23h 15m

£330

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 18/5

19:40-10:40

1 stop10h 00m

£381

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 24/6

14:00-16:00

3 stops21h 00m

£2,218

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Sorted by cheapest first

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 £168). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of £641). 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 18h 45m. Ithaca and London Heathrow Airport are separated by a distance of 3469 mi.

  • 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 £168). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of £641). 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
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

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Why should you use Cheapflights to find cheap flight tickets from Ithaca to Heathrow?

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Can Cheapflights find flights from Ithaca to Heathrow with no change fees?

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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