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$416+ Cheap flights from Ithaca (ITH) 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$724
(United Airlines)

One-way from

$416
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$2,240
From Ithaca Tompkins County to London Heathrow
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One-way flight from Ithaca Tompkins County to London Heathrow
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Highest demand for flights based on searches. 26% potential increase in price ($419 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($122 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/16:10 amITH - LHR
2 stops22h 10mUnited Airlines
Thu 10/98:40 amLHR - ITH
2 stops20h 03mUnited Airlines
Deal found 6/10$724
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 9/245:55 amITH - LHR
1 stop19h 30mDelta
Tue 10/74:50 pmLHR - ITH
1 stop11h 32mDelta
Deal found 6/12$750
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:05 pmITH - LHR
1 stop12h 45mKLM
Sun 9/710:55 amLHR - ITH
1 stop18h 26mKLM
Deal found 6/11$840

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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 10/1

6:10 am-9:20 am

2 stops22h 10m

London Heathrow

Thu 10/9

8:40 am-11:43 pm

2 stops20h 03m

$724

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 9/24

5:55 am-6:25 am

1 stop19h 30m

London Heathrow

Tue 10/7

4:50 pm-11:22 pm

1 stop11h 32m

$750

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 9/4

3:05 pm-8:50 am

1 stop12h 45m

London Heathrow

Sun 9/7

10:55 am-12:21 am

1 stop18h 26m

$840

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 11/19

7:50 pm-10:50 am

1 stop10h 00m

$416

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Fri 7/25

3:00 pm-10:15 am

1 stop14h 15m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 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 Ithaca to London Heathrow Airport

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

Currently, November is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of $661). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    For a flight from Ithaca to London Heathrow, you will be flying from Tompkins County. Ithaca Tompkins County (ITH) is just 4.0 mi from the center of the city. Tompkins County is the only Ithaca airport and it handles 0 outbound flights to London Heathrow per day. 2 airlines have flights to London Heathrow from Ithaca Tompkins County on a regular basis.

  • What are the cheapest airlines flying from Ithaca to London Heathrow Airport round-trip?

    Flying on United Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at $724. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $750 and $840, respectively. These flights start at 37% lower than the current average price 3 months from now.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of $661). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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 Ithaca?

Book flights to Ithaca if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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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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Top 2 airlines flying from Ithaca to Heathrow

Discover the top 2 airlines that operate flights from Ithaca 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$610Average$1,007FlexibilityNo cancel feeOn-time69%
DeltaCheapest$707Average$1,064FlexibilityNo cancel feeOn-timeN/A

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