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$635+ Cheap flights from Ithaca (ITH) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — LON
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Ithaca to London

Cheapest flights from Ithaca to London
Explore the most affordable flight options available from Ithaca to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This United Airlines deal was found by Cheapflights users on 1/31. 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 3/186:00 am
ITH
-
LHR
1 stop24h 50m
United Airlines
Wed 3/2512:05 pm
LHR
-
ITH
2 stops39h 37m
United Airlines
Deal found 1/31$635
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 3/63:03 pm
ITH
-
LHR
1 stop10h 17m
Delta
Wed 3/1111:45 am
LHR
-
ITH
2 stops16h 14m
Delta
Deal found 2/1$636
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 3/197:35 pm
ITH
-
LHR
2 stops31h 35m
United Airlines
Thu 3/269:00 am
LHR
-
ITH
2 stops18h 42m
United Airlines
Deal found 2/2$639
This KLM deal was found by Cheapflights users on 2/1. 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 3/185:32 am
ITH
-
LHR
1 stop22h 33m
KLM
Wed 3/254:10 pm
LHR
-
ITH
1 stop11h 49m
KLM
Deal found 2/1$649
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/17:38 pm
ITH
-
LHR
1 stop10h 02m
United Airlines
Thu 4/97:25 am
LHR
-
ITH
2 stops21h 34m
United Airlines
Deal found 2/2$651
This Delta deal was found by Cheapflights users on 2/1. 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 3/181:33 pm
ITH
-
LHR
2 stops16h 57m
Delta
Wed 3/254:10 pm
LHR
-
ITH
1 stop11h 49m
Delta
Deal found 2/1$669
This KLM deal was found by Cheapflights users on 2/1. 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.
Sun 5/31:34 pm
ITH
-
LHR
1 stop14h 16m
KLM
Wed 5/1312:50 pm
LHR
-
ITH
1 stop15h 56m
KLM
Deal found 2/1$680
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 4/210:30 am
ITH
-
LHR
1 stop15h 25m
United Airlines
Fri 4/107:25 am
LHR
-
ITH
2 stops16h 24m
United Airlines
Deal found 2/2$701
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/2410:30 am
ITH
-
LHR
2 stops17h 50m
United Airlines
Tue 4/286:50 am
LHR
-
ITH
2 stops22h 09m
United Airlines
Deal found 2/1$705

Find flight deals from Ithaca to London

Discover tips and strategies to find the most affordable flight options for your journey from Ithaca (ITH) to London (LON). 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 February 3, 2026.

Round-trip from

$635
(United Airlines)

Popular in

June

Cheapest in

September
From Ithaca Tompkins County to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ithaca to London 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 February 3, 2026.
Use the filters below to find and compare flights from Ithaca to London that are best for you.

Fly from

Ithaca

Fly to

London

Route

Depart

Return

Price

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Fri 3/6

3:03 pm-6:20 am

1 stop10h 17m

London Heathrow

Wed 3/11

11:45 am-11:59 pm

2 stops16h 14m

$636

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 3/18

7:35 pm-7:10 am

2 stops31h 35m

London Heathrow

Wed 3/25

11:10 am-11:42 pm

2 stops16h 32m

$638

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 3/19

7:35 pm-7:10 am

2 stops31h 35m

London Heathrow

Thu 3/26

9:00 am-11:42 pm

2 stops18h 42m

$639

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 3/18

5:32 am-8:05 am

1 stop22h 33m

London Heathrow

Wed 3/25

4:10 pm-11:59 pm

1 stop11h 49m

$649

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 3/18

1:33 pm-10:30 am

2 stops16h 57m

London Heathrow

Wed 3/25

4:10 pm-11:59 pm

1 stop11h 49m

$669

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 4/2

10:30 am-6:55 am

1 stop15h 25m

London Heathrow

Fri 4/10

7:25 am-6:49 pm

2 stops16h 24m

$701

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Sun 4/5

7:38 pm-10:40 am

1 stop10h 02m

London Heathrow

Mon 4/13

7:25 am-6:49 pm

2 stops16h 24m

$701

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Fri 4/24

6:00 am-6:55 am

1 stop19h 55m

London Heathrow

Tue 4/28

6:50 am-9:48 am

2 stops31h 58m

$701

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Sat 4/4

5:32 am-8:10 pm

1 stop9h 38m

London Heathrow

Fri 4/10

3:50 pm-11:59 pm

1 stop13h 09m

$730

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Fri 4/24

1:34 pm-7:15 am

1 stop12h 41m

London Heathrow

Tue 4/28

3:50 pm-11:46 pm

1 stop12h 56m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 11 results
1
2

Best time to book a flight from Ithaca to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, December is the cheapest month in which you can book a flight from Ithaca to London (average of $227). Flying from Ithaca to London 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated February 3, 2026.
See what other customers who have flown with Delta from Ithaca to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
8,138 reviews
Delta
7.9
Good
8,138 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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 London. 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?

    Located just 4.0 mi from the city center, Ithaca Tompkins County is the airport most travelers will use when flying to London from Ithaca. Booking flights from Tompkins County (ITH) to London should be relatively easy as there are 0 daily outbound flights to London from 2 different airlines.

  • How long is the flight from Ithaca to London?

    Departing from Ithaca to London will take you 10h 17m. Ithaca and London are separated by a distance of 3469 mi. This flight may include one or multiple stops.

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

    Delta, at $650, was found to be the cheapest airline from Ithaca to London. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Ithaca to London for 31% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ithaca to London 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?

    Currently, December is the cheapest month in which you can book a flight from Ithaca to London (average of $227). Flying from Ithaca to London 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?

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

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Alternative routes for Ithaca to London

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Top 2 airlines flying from Ithaca to London

Discover the top 2 airlines that operate flights from Ithaca to London. 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$650Average$1,046FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$757Average$882FlexibilityNo cancel feeOn-time69%

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