HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$299+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Syracuse to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 11, 2025.

Round-trip from

$524
(Delta)

One-way from

$299
(JetBlue)

Popular in

June

Cheapest in

March

Average price

$660
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. 18% potential increase in price ($190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:39 pmSYR - LHR
1 stop13h 51mDelta
Wed 10/1511:30 amLHR - SYR
2 stops17h 41mDelta
Deal found 9/10$524
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:30 amSYR - LHR
1 stop19h 35mDelta
Wed 10/228:40 amLHR - SYR
2 stops19h 24mDelta
Deal found 9/10$525
This Virgin Atlantic deal was found by Cheapflights users on 9/9. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:00 pmSYR - LHR
2 stops14h 50mVirgin Atlantic
Tue 10/2811:30 amLHR - SYR
2 stops15h 34mVirgin Atlantic
Deal found 9/9$528
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:00 pmSYR - LHR
2 stops17h 10mDelta
Tue 10/2810:00 amLHR - SYR
2 stops18h 11mDelta
Deal found 9/10$530
This KLM deal was found by Cheapflights users on 9/9. 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 10/14:10 pmSYR - LHR
1 stop11h 40mKLM
Wed 10/221:05 pmLHR - SYR
1 stop16h 15mKLM
Deal found 9/9$531
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:37 amSYR - LHR
1 stop9h 23mVirgin Atlantic
Fri 10/314:35 pmLHR - SYR
1 stop11h 36mVirgin Atlantic
Deal found 9/9$539
This Netflights deal was found by Cheapflights users on 9/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:13 pmSYR - LHR
1 stop13h 12mVirgin Atlantic
Tue 11/188:55 amLHR - SYR
1 stop14h 02mVirgin Atlantic
Deal found 9/10$548
This Netflights deal was found by Cheapflights users on 9/9. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:37 amSYR - LHR
1 stop9h 23mMultiple Airlines
Fri 10/316:30 amLHR - SYR
2 stops21h 50mMultiple Airlines
Deal found 9/9$566

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 September 11, 2025.
Use the filters below to find and compare flights from Syracuse to London Heathrow Airport that are best for you.

Fly from

Syracuse

Fly to

Heathrow

Route

Depart

Return

Price

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 10/8

6:39 pm-1:30 pm

1 stop13h 51m

London Heathrow

Wed 10/15

11:30 am-12:11 am

2 stops17h 41m

$524

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 10/21

1:00 pm-8:50 am

2 stops14h 50m

London Heathrow

Tue 10/28

11:30 am-11:04 pm

2 stops15h 34m

$528

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 10/21

1:00 pm-11:10 am

2 stops17h 10m

London Heathrow

Tue 10/28

10:00 am-12:11 am

2 stops18h 11m

$530

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 10/21

12:09 pm-6:45 am

1 stop13h 36m

London Heathrow

Tue 10/28

4:10 pm-12:11 am

1 stop12h 01m

$531

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 10/8

4:13 pm-7:15 am

1 stop10h 02m

London Heathrow

Wed 10/15

11:45 am-11:04 pm

1 stop16h 19m

$532

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sat 10/25

11:20 am-10:35 am

2 stops18h 15m

London Heathrow

Sun 10/26

7:30 pm-12:11 am

2 stops32h 41m

$553

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 10/24

5:37 am-8:00 pm

1 stop9h 23m

London Heathrow

Fri 10/31

6:30 am-12:20 am

2 stops21h 50m

$566

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 11/13

11:25 am-6:20 am

1 stop13h 55m

London Heathrow

Thu 11/20

9:00 am-11:10 pm

2 stops19h 10m

$574

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 10/24

4:13 pm-10:15 am

1 stop13h 02m

London Heathrow

Fri 10/31

8:55 am-12:11 am

2 stops19h 16m

$574

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 10/23

6:00 am-7:15 am

1 stop20h 15m

London Heathrow

Thu 10/30

11:45 am-11:04 pm

2 stops15h 19m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

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

How far ahead should I book a flight from Syracuse to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Syracuse to Heathrow. Price data was last updated on August 29, 2025.

The price you pay for your flight from Syracuse to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $661). Flying from Syracuse to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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.

What is the cheapest time of day to fly from SYR to LHR?

Find hourly flight availability from Syracuse to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Syracuse to London Heathrow Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.

What is the cheapest day to fly from Syracuse to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Syracuse to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Syracuse to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Get a feel of what it's like to fly with Delta, Virgin Atlantic, and American Airlines 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
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
Virgin Atlantic
7.4
Good
664 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
JetBlue
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

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 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 6 different airlines.

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

    For as low as $531, Delta can have you in London Heathrow Airport from Syracuse in 13h 36m. 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?

    JetBlue, at $137, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and Virgin Atlantic. You may be able to fly from Syracuse to London Heathrow Airport for 83% 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, November is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $661). Flying from Syracuse to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Syracuse to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Luton flights
Newark to Stansted flights
Newark to Luton flights
LaGuardia to London City flights
LaGuardia to Stansted flights
LaGuardia to Luton flights
Buffalo to Heathrow flights
Syracuse to Gatwick flights
Rochester to Heathrow flights
John F Kennedy Intl to Southend flights
Buffalo to Gatwick flights
Albany to Heathrow flights
Rochester to Gatwick flights
Syracuse to London City flights
Newark to Southend flights
Buffalo to London City flights
Albany to London City flights
White Plains to Heathrow flights
Rochester to London City flights
Albany to Gatwick flights
Ithaca to Heathrow flights
Stewart to Luton flights
Stewart to Heathrow flights
Stewart to Stansted flights
Islip to Heathrow flights
Rutland to Heathrow flights
Binghamton to Heathrow flights
Elmira to Heathrow flights
Rochester to Stansted flights
Stewart to Gatwick flights
Elmira to London City flights
Syracuse to Stansted flights
Buffalo to Stansted flights
Stewart to London City flights
White Plains to Gatwick flights

Top 6 airlines flying from Syracuse to Heathrow

Discover the top 6 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$137Average$667FlexibilityNo cancel feeOn-time62%
DeltaCheapest$429Average$696FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$593Average$745FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$638Average$814FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$652Average$920FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$752Average$1,008FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.