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$301+ Cheap flights from Ithaca (ITH) to London (LON)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — LON
Apr 29 — May 61
Wed 4/29
Wed 5/6
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 March 30, 2026.

This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:36 pm
ITH
-
LHR
1 stop15h 44m
KLM
Mon 5/1811:45 am
LHR
-
ITH
2 stops17h 01m
KLM
Deal found 3/27$713
This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 3/291:33 pm
ITH
-
LHR
1 stop15h 47m
Delta
Sat 4/46:30 am
LHR
-
ITH
2 stops22h 29m
Delta
Deal found 3/27$723
This Delta deal was found by Cheapflights users on 3/30. 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.
Thu 4/301:34 pm
ITH
-
LHR
1 stop17h 36m
Delta
Sun 5/106:30 am
LHR
-
ITH
2 stops22h 16m
Delta
Deal found 3/30$726
This Air France deal was found by Cheapflights users on 3/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:00 pm
ITH
-
LHR
1 stop15h 20m
Air France
Wed 8/2611:30 am
LHR
-
ITH
2 stops16h 57m
Air France
Deal found 3/29$727
This KLM deal was found by Cheapflights users on 3/27. 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 4/131:34 pm
ITH
-
LHR
1 stop14h 16m
KLM
Tue 4/2111:45 am
LHR
-
ITH
1 stop17h 01m
KLM
Deal found 3/27$730
This KLM deal was found by Cheapflights users on 3/30. 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 4/301:34 pm
ITH
-
LHR
1 stop15h 46m
KLM
Sun 5/103:50 pm
LHR
-
ITH
1 stop12h 56m
KLM
Deal found 3/30$733
This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 4/125:31 am
ITH
-
LHR
1 stop19h 49m
Delta
Sat 4/183:50 pm
LHR
-
ITH
1 stop12h 56m
Delta
Deal found 3/27$734
This Delta deal was found by Cheapflights users on 3/27. 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.
Mon 4/135:20 am
ITH
-
LHR
2 stops24h 10m
Delta
Tue 4/218:40 am
LHR
-
ITH
2 stops20h 06m
Delta
Deal found 3/27$743
This Delta deal was found by Cheapflights users on 3/30. 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.
Thu 5/71:36 pm
ITH
-
LHR
2 stops15h 54m
Delta
Thu 5/149:55 am
LHR
-
ITH
2 stops18h 51m
Delta
Deal found 3/30$746

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 March 30, 2026.

Round-trip from

$713
(Expedia)

One-way from

$301
(KLM)

Popular in

June

Cheapest in

September

Average price

$967
From Ithaca Tompkins County to London (LON)
Search Deals
One-way flight from Ithaca Tompkins County to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 30, 2026.
Use the filters below to find and compare flights from Ithaca to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 4/13

1:34 pm-8:50 am

1 stop14h 16m

London Heathrow

Tue 4/21

9:55 am-11:46 pm

2 stops18h 51m

$723

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 5/11

1:36 pm-6:20 am

1 stop11h 44m

London Heathrow

Mon 5/18

8:55 am-11:46 pm

2 stops19h 51m

$723

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 5/7

1:36 pm-8:50 am

1 stop14h 14m

London Heathrow

Thu 5/14

8:40 am-11:46 pm

2 stops20h 06m

$726

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 4/30

5:20 am-6:45 am

1 stop20h 25m

London Heathrow

Sun 5/10

6:30 am-11:46 pm

2 stops22h 16m

$726
Quickest round-trip

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 4/30

1:34 pm-10:20 am

1 stop15h 46m

London Heathrow

Sun 5/10

3:50 pm-11:46 pm

1 stop12h 56m

$733

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 5/12

1:36 pm-10:20 am

1 stop15h 44m

London Heathrow

Tue 5/19

11:20 am-11:46 pm

1 stop17h 26m

$734

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Tue 8/11

2:00 pm-7:40 am

2 stops12h 40m

London Heathrow

Fri 8/28

11:45 am-11:27 pm

2 stops16h 42m

$757

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Wed 7/29

5:25 am-6:45 am

1 stop20h 20m

London Heathrow

Tue 8/11

3:50 pm-11:27 pm

1 stop12h 37m

$838

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Thu 6/11

5:28 am-6:45 am

1 stop20h 17m

London Heathrow

Sat 6/20

11:20 am-12:09 am

1 stop17h 49m

$871
Cheapest one-way
Quickest one-way

IthacaLondon

ITH - LHR

ITHLHR

Ithaca Tompkins County

Mon 5/18

1:36 pm-8:50 am

1 stop14h 14m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 resultsSorted by cheapest first
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 $799). 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.

How much does it cost to fly round-trip from Ithaca to London?

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 March 30, 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
8,359 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

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
8,359 reviews
Delta
7.9
Good
8,359 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

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 1 airline.

  • How long is the flight from Ithaca to London?

    Departing from Ithaca to London will take you 11h 44m. Ithaca and London are separated by a distance of 3469 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Ithaca to London round-trip?

    Delta, at $650, was found to be the cheapest airline from Ithaca to London.. You may be able to fly from Ithaca to London for 34% less than the average price by searching for this airline.

  • 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 $799). 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
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
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Winchester
Orpington
Watford
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Kingston upon Thames
Eastbourne
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Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ithaca to London

Discover the top airline 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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$650Average$914FlexibilityNo cancel feeOn-timeN/A

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