$316 Cheap Flights from Syracuse (SYR) to London (LHR)

View $316 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR)

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Cheap Flights from Syracuse to London (SYR-LHR)

Prices were available within the past 7 days and start at $316 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$485 Roundtrip, found 6 hours ago
$485
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $485 found 6 hours ago
Delta
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$485 Roundtrip, found 6 hours ago
$485
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $485 found 6 hours ago
Virgin Atlantic
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$485 Roundtrip, found 6 hours ago
$485
Roundtrip
found 6 hours ago
Select Virgin Atlantic flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $485 found 6 hours ago
Delta
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$490 Roundtrip, found 6 hours ago
$490
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $490 found 6 hours ago
Virgin Atlantic
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$513 Roundtrip, found 6 hours ago
$513
Roundtrip
found 6 hours ago
Select Virgin Atlantic flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $513 found 6 hours ago
Delta
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$518 Roundtrip, found 6 hours ago
$518
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $518 found 6 hours ago
KLM
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$541 Roundtrip, found 6 hours ago
$541
Roundtrip
found 6 hours ago
Select KLM flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $541 found 6 hours ago
British Airways
Wed, Apr 8 - Thu, Apr 16
SYR
Syracuse
LHR
London
$548 Roundtrip, found 6 hours ago
$548
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Apr 8 from Syracuse to London, returning Thu, Apr 16, priced at $548 found 6 hours ago
JetBlue Airways
Wed, Mar 4 - Tue, Mar 31
SYR
Syracuse
LHR
London
$558 Roundtrip, found 1 day ago
$558
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Mar 4 from Syracuse to London, returning Tue, Mar 31, priced at $558 found 1 day ago
Scandinavian Airlines
Thu, Jan 29 - Thu, Mar 19
SYR
Syracuse
LHR
London
$599 Roundtrip, found 16 hours ago
$599
Roundtrip
found 16 hours ago
Select Scandinavian Airlines flight, departing Thu, Jan 29 from Syracuse to London, returning Thu, Mar 19, priced at $599 found 16 hours ago

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Find the cheapest month to fly from Syracuse (SYR) to London (LHR)

October is typically the cheapest month to fly

From $530 - $843 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $1,865
LGW
Gatwick
Average driving time to city center52 min
Flights from $1,865
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $2,196
LCY
London City
Closest
Average driving time to city center21 min
Flights from $2,196
Flights from Syracuse (SYR) to London (LHR)
Origin airport
Hancock Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$485
Distance
3431 mi

Syracuse to London Flights

The cheapest times to fly from Syracuse to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Syracuse to London are during the month of April. You can find some of the cheapest flights from Syracuse to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Syracuse to London

Sunday is one of the best days to book for cheap flights from Syracuse to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Syracuse to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Syracuse to London in 2026. You can also book with separate airlines for your outbound and return journeys, from $316 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Syracuse to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Syracuse to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR) cost?
Get a cheap one-way flight from $316 or cheap return flight from $485 from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR)?
Traveling in April can help you save, as it's the cheapest month for flights between SYR and LHR. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SYR to LHR. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR)?
You'll need to hop on a flight with a layover when traveling from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SYR to LHR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR)?
Select a flight from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR) last-minute?
Last-minute fares from SYR to LHR are usually more expensive. To lock in the best rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a SYR to LHR flight and hotel package?
Booking a SYR to LHR flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hancock Intl. Airport (SYR) to Heathrow Airport (LHR)?
If you booked your SYR to LHR flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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