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$499+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — LHR
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 2/276:00 am
ITH
-
LHR
1 stop19h 40m
United Airlines
Tue 3/36:35 am
LHR
-
ITH
2 stops16h 52m
United Airlines
Deal found 1/25$630
This United Airlines deal was found by Cheapflights users on 1/24. 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 3/116:00 am
ITH
-
LHR
2 stops21h 10m
United Airlines
Wed 3/186:50 am
LHR
-
ITH
2 stops15h 32m
United Airlines
Deal found 1/24$633
This KLM deal was found by Cheapflights users on 1/24. 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.
Wed 3/111:33 pm
ITH
-
LHR
1 stop16h 42m
KLM
Wed 3/184:10 pm
LHR
-
ITH
1 stop11h 49m
KLM
Deal found 1/24$659
This KLM deal was found by Cheapflights users on 1/26. 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.
Mon 3/301:33 pm
ITH
-
LHR
1 stop14h 17m
KLM
Sun 4/58:05 pm
LHR
-
ITH
1 stop32h 54m
KLM
Deal found 1/26$806
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/107:45 pm
ITH
-
LHR
1 stop10h 05m
United Airlines
Sun 2/159:00 am
LHR
-
ITH
2 stops19h 42m
United Airlines
Deal found 1/26$814
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Sun 2/157:45 pm
ITH
-
LHR
2 stops20h 35m
United Airlines
Sun 2/229:00 am
LHR
-
ITH
2 stops38h 27m
United Airlines
Deal found 1/25$818
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Tue 6/27:50 pm
ITH
-
LHR
1 stop30h 05m
United Airlines
Fri 6/56:50 am
LHR
-
ITH
2 stops21h 40m
United Airlines
Deal found 1/24$828
This deal was found by Cheapflights users on 1/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:38 pm
ITH
-
LHR
1 stop10h 02m
United Airlines
Sat 4/114:40 pm
LHR
-
ITH
1 stop12h 19m
United Airlines
Deal found 1/24$850

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 January 26, 2026.

Most trusted provider

JustAirTicket
1 star

Round-trip from

$630
(United Airlines)

One-way from

$499

Popular in

June

Cheapest in

November
Provider most trusted by Cheapflights users for Ithaca Tompkins County-London Heathrow flights.
Search Deals
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. 17% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($68 potential savings vs. average RT price).
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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 January 26, 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

Fri 2/27

6:00 am-6:40 am

1 stop19h 40m

London Heathrow

Tue 3/3

6:50 am-11:42 pm

2 stops21h 52m

$630

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 3/11

10:30 am-10:50 am

1 stop20h 20m

London Heathrow

Wed 3/18

6:50 am-6:22 pm

2 stops15h 32m

$630

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 3/11

1:33 pm-10:15 am

1 stop16h 42m

London Heathrow

Wed 3/18

4:10 pm-11:59 pm

1 stop11h 49m

$659

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 3/30

1:33 pm-8:50 am

1 stop14h 17m

London Heathrow

Sun 4/5

8:05 pm-11:59 pm

1 stop32h 54m

$806

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 2/10

2:36 pm-8:05 am

1 stop12h 29m

London Heathrow

Sun 2/15

6:30 am-11:34 pm

2 stops22h 04m

$814

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 2/10

6:00 am-6:40 am

1 stop19h 40m

London Heathrow

Sun 2/15

9:00 am-11:42 pm

2 stops43h 42m

$814

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Sat 4/4

7:38 pm-10:40 am

1 stop10h 02m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

  • Most trusted provider: When it comes to deals on Ithaca-London Heathrow Airport flights, Cheapflights users trust JustAirTicket the most. JustAirTicket has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ithaca-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, December is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of $227). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of $878). 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.

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 January 26, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Ithaca to London Heathrow Airport 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
7.9
Good
8,111 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

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
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

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
9,199 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

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.

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

    United Airlines can get you from Ithaca to London Heathrow Airport in just under 19h 40m. Your travel time can differ by up to . Ithaca and London Heathrow Airport are separated by a distance of 3469 mi.

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

    Flying on Delta is currently your cheapest option to London Heathrow Airport, with prices starting at $650. Another option worth looking into is United Airlines, starting at $757 round trip. These flights start at 39% 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, December is the cheapest month in which you can book a flight from Ithaca to London Heathrow Airport (average of $227). Flying from Ithaca to London Heathrow Airport in June is currently the most expensive (average of $878). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$650Average$1,046FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$757Average$882FlexibilityNo cancel feeOn-time69%

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