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Cheap flights from Ithaca to London Heathrow Airport from £337

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 17 September 2025.

Round-trip from

£390

One-way from

£337

Popular in

June

Cheapest in

April

Average price

£758
Delta
  • Delta
  • 1/10-23/10
  • 2 total stops
  • 27h 26m total
  • Ithaca to London
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Delta
  • Delta
  • 18/11
  • 2 total stops
  • 20h 10m total
  • Ithaca to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ithaca to Heathrow

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 17 September 2025.

Wed 24/914:05ITH - LHR
1 stop16h 20mDelta
Tue 7/1009:00LHR - ITH
2 stops20h 21mDelta
Deal found 15/9£384
Wed 1/1014:05ITH - LHR
1 stop14h 10mDelta
Thu 23/1016:05LHR - ITH
1 stop13h 16mDelta
Deal found 16/9£390
Thu 30/1005:40ITH - LHR
1 stop10h 30mDelta
Thu 6/1109:00LHR - ITH
2 stops20h 21mDelta
Deal found 15/9£525
Thu 30/1006:10ITH - LHR
2 stops19h 45mUnited Airlines
Thu 6/1113:45LHR - ITH
2 stops38h 58mUnited Airlines
Deal found 15/9£577
Wed 24/906:10ITH - LHR
2 stops22h 25mUnited Airlines
Tue 7/1012:10LHR - ITH
2 stops40h 33mUnited Airlines
Deal found 16/9£666
Wed 1/1006:10ITH - LHR
2 stops19h 20mUnited Airlines
Thu 23/1006:50LHR - ITH
2 stops21h 53mUnited Airlines
Deal found 16/9£671
Tue 18/1114:05ITH - LHR
1 stop15h 10mKLM
Fri 2/116:10LHR - ITH
1 stop11h 24mKLM
Deal found 14/9£705
Tue 18/1105:40ITH - LHR
1 stop9h 30mDelta
Fri 2/111:45LHR - ITH
2 stops15h 49mDelta
Deal found 14/9£710

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 17 September 2025.
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

Wed 1/10

14:05-09:15

1 stop14h 10m

London Heathrow

Thu 23/10

16:05-00:21

1 stop13h 16m

£390

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 30/10

05:40-20:10

1 stop10h 30m

London Heathrow

Thu 6/11

09:00-00:21

2 stops20h 21m

£525

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 18/11

14:05-10:15

1 stop15h 10m

London Heathrow

Fri 2/1

16:10-22:34

1 stop11h 24m

£705

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 19/11

14:05-06:20

1 stop11h 15m

London Heathrow

Fri 2/1

10:10-22:34

1 stop17h 24m

£705

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 18/11

05:40-20:10

1 stop9h 30m

London Heathrow

Fri 2/1

11:45-22:34

2 stops15h 49m

£710

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 1/10

19:53-10:40

1 stop9h 47m

London Heathrow

Thu 23/10

06:50-18:38

2 stops16h 48m

£777

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 18/11

14:05-08:05

1 stop13h 00m

London Heathrow

Sun 4/1

10:10-22:34

1 stop17h 24m

£793

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 18/11

14:05-08:05

1 stop13h 00m

London Heathrow

Sat 3/1

10:10-22:34

1 stop17h 24m

£793

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 19/11

14:05-06:55

1 stop11h 50m

London Heathrow

Sat 3/1

16:35-22:34

1 stop10h 59m

£793

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 18/11

14:05-10:15

1 stop15h 10m

£337

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 15 results
1
2

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, January is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of £112). Flying from Ithaca 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.

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 10m. 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, January is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of £112). Flying from Ithaca 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ithaca to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Ithaca to Heathrow?

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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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