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Heathrow

$333+ Cheap flights from Syracuse (SYR) 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap flight deals from Syracuse to Heathrow

Cheapest flights from Syracuse to Heathrow
Explore the most affordable flight options available from Syracuse to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This Delta deal was found by Cheapflights users on 5/18. 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 8/124:55 pm
SYR
-
LHR
1 stop10h 55m
Delta
Mon 8/319:55 am
LHR
-
SYR
2 stops18h 01m
Delta
Deal found 5/18$868
This Delta deal was found by Cheapflights users on 5/15. 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 9/1711:25 am
SYR
-
LHR
1 stop13h 55m
Delta
Mon 9/2111:45 am
LHR
-
SYR
2 stops17h 12m
Delta
Deal found 5/15$869
This Delta deal was found by Cheapflights users on 5/14. 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 8/95:29 am
SYR
-
LHR
1 stop19h 51m
Delta
Wed 8/1911:45 am
LHR
-
SYR
2 stops18h 02m
Delta
Deal found 5/14$870
This Delta deal was found by Cheapflights users on 5/14. 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 9/236:50 pm
SYR
-
LHR
1 stop11h 30m
Delta
Mon 10/511:45 am
LHR
-
SYR
2 stops17h 12m
Delta
Deal found 5/14$871
This Delta deal was found by Cheapflights users on 5/18. 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.
Sat 8/81:10 pm
SYR
-
LHR
1 stop13h 00m
Delta
Sun 8/236:15 am
LHR
-
SYR
2 stops17h 05m
Delta
Deal found 5/18$876
This Delta deal was found by Cheapflights users on 5/15. 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 9/611:25 am
SYR
-
LHR
2 stops15h 15m
Delta
Thu 9/179:55 am
LHR
-
SYR
2 stops18h 01m
Delta
Deal found 5/15$878
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:51 am
SYR
-
LHR
1 stop15h 59m
British Airways
Mon 8/311:45 pm
LHR
-
SYR
1 stop15h 00m
British Airways
Deal found 5/18$892
This oojo deal was found by Cheapflights users on 5/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:51 am
SYR
-
LHR
1 stop15h 59m
British Airways
Thu 9/171:00 pm
LHR
-
SYR
1 stop15h 45m
British Airways
Deal found 5/14$893

Find flight deals from Syracuse to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Syracuse (SYR) 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 May 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$868
(Delta)

One-way from

$333
(oojo)

Popular in

May

Cheapest in

October

Average price

$1,484
Provider with most accurate pricing for Syracuse Hancock Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Syracuse Hancock Intl-London Heathrow flights.
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From Syracuse Hancock Intl to London Heathrow
Search Deals
One-way flight from Syracuse Hancock Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Syracuse 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 May 18, 2026.
Use the filters below to find and compare flights from Syracuse to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 9/8

4:30 pm-1:05 pm

2 stops15h 35m

London Heathrow

Wed 9/16

9:55 am-10:56 pm

2 stops18h 01m

$873

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/16

12:42 pm-8:50 am

2 stops15h 08m

London Heathrow

Sun 9/20

11:45 am-11:57 pm

2 stops17h 12m

$873

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 9/22

10:50 am-6:50 am

1 stop15h 00m

London Heathrow

Sun 10/4

9:45 pm-6:55 pm

2 stops26h 10m

$899
Quickest round-trip

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 9/22

6:50 pm-1:15 pm

1 stop13h 25m

London Heathrow

Sun 10/4

3:50 pm-11:57 pm

1 stop13h 07m

$899

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 7/28

4:55 pm-1:45 pm

2 stops15h 50m

London Heathrow

Fri 8/14

4:20 pm-12:47 am

1 stop13h 27m

$982

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sat 8/1

6:00 am-9:20 am

2 stops22h 20m

London Heathrow

Sun 8/16

7:45 am-11:46 pm

2 stops21h 01m

$993

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 7/22

3:46 pm-11:20 am

1 stop14h 34m

London Heathrow

Wed 7/29

12:50 pm-12:47 am

1 stop16h 57m

$994

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 7/22

5:16 pm-12:10 pm

2 stops13h 54m

London Heathrow

Wed 7/29

9:20 am-10:58 pm

2 stops18h 38m

$999

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sat 8/8

11:19 am-6:45 am

2 stops14h 26m

London Heathrow

Thu 8/13

11:30 am-11:08 pm

2 stops16h 38m

$1,003

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 6/11

4:57 pm-10:20 am

1 stop12h 23m

London Heathrow

Tue 6/16

6:30 am-4:11 pm

2 stops14h 41m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Syracuse to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Syracuse to Heathrow in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Syracuse-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Syracuse-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Syracuse-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Syracuse-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago 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 Syracuse-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 Syracuse to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Syracuse 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 Syracuse to London Heathrow Airport

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

Currently, October is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $625). Flying from Syracuse to London Heathrow Airport in May is currently the most expensive (average of $1,484). 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 Syracuse to London Heathrow Airport?

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 May 18, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andVirgin Atlantic from Syracuse to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,450 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.9
Good
8,450 reviews
Delta
7.9
Good
8,450 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,736 reviews
Delta
7.9
Good
8,450 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Virgin Atlantic
7.4
Good
688 reviews
Delta
7.9
Good
8,450 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,648 reviews
Delta
7.9
Good
8,450 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
British Airways
6.7
Okay
7,988 reviews
Delta
7.9
Good
8,450 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Related info for your journey

Find useful and relevant information for your journey from Syracuse 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 Syracuse to London Heathrow?

    If you book a flight to London Heathrow from Syracuse, you will be flying from Hancock Intl, which is the city’s only airport. Syracuse Hancock Intl (SYR) is located 4.8 mi from the center of Syracuse. There are 0 flights from Hancock Intl to London Heathrow per day from 5 different airlines.

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

    For as low as $899, Delta can have you in London Heathrow Airport from Syracuse in 13h 25m. Syracuse and London Heathrow Airport are separated by a distance of 3429 mi. This flight may include one or multiple stops.

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

    British Airways, at $539, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and American Airlines. You may be able to fly from Syracuse to London Heathrow Airport for 42% less than the average price by searching for these airlines.

  • Can I find deals for flights from Syracuse to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Syracuse to Heathrow?

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

  • Can I find deals for business class flights from Syracuse to Heathrow?

    Yes. Cheapflights offers flight deals from Syracuse 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 Syracuse to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $625). Flying from Syracuse to London Heathrow Airport in May is currently the most expensive (average of $1,484). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Syracuse to Heathrow

Discover the top 5 airlines that operate flights from Syracuse 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$539Average$711FlexibilityNo cancel feeOn-time70%
DeltaCheapest$580Average$848FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$598Average$839FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$609Average$853FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$648Average$874FlexibilityNo cancel feeOn-time69%

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