In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Thursday flights are found to be more expensive to fly from Syracuse to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

To save up to 1,528% on this flight, we recommend booking at least 37 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Syracuse to London Heathrow Airport from £443 1-2 weeks out and tickets from £623 for flights departing within the next 72 hours.

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

Flights from Syracuse to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from Syracuse to London Heathrow Airport in February, with the cheapest ticket starting at £414.

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

When flying from Syracuse to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 32% versus a flight in the morning.

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 0 different 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 holiday 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.

£218+ Cheap Flights from Syracuse to London Heathrow Airport

Cheapflights Tip: The best prices from Syracuse Hancock Intl to London Heathrow are usually found in March or October, booked 34 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Syracuse to Heathrow

Round-trip from	£466
One-way from	£218
Popular in	June
Cheapest in	March
Average price	£536

JetBlue
14/11-18/11
2 total stops
36h 23m total
Syracuse to London

Search Deals

JetBlue
15/11
1 total stop
15h 45m total
Syracuse to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£112 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 15 August 2025.

Fri 14/1106:00SYR - LHR

1 stop19h 55mJetBlue

Tue 18/1112:20LHR - SYR

1 stop16h 28mJetBlue

Deal found 13/8£466

Wed 1/1006:00SYR - LHR

1 stop19h 30mJetBlue

Wed 15/1008:25LHR - SYR

1 stop16h 35mJetBlue

Deal found 13/8£472

Sun 7/907:00SYR - LHR

1 stop21h 30mJetBlue

Wed 17/908:25LHR - SYR

1 stop16h 46mJetBlue

Deal found 14/8£473

Sun 28/907:00SYR - LHR

1 stop21h 30mJetBlue

Sun 5/1008:15LHR - SYR

1 stop20h 36mJetBlue

Deal found 14/8£478

Sun 14/907:00SYR - LHR

1 stop21h 30mJetBlue

Sun 21/908:25LHR - SYR

1 stop17h 45mJetBlue

Deal found 13/8£494

Wed 12/1106:00SYR - LHR

1 stop19h 55mJetBlue

Sat 15/1112:20LHR - SYR

1 stop16h 28mJetBlue

Deal found 14/8£495

Wed 1/1011:30SYR - LHR

2 stops23h 55mScandinavian Airlines

Wed 15/1007:05LHR - SYR

2 stops22h 06mScandinavian Airlines

Deal found 13/8£498

Wed 1/1011:30SYR - LHR

2 stops23h 55mScandinavian Airlines

Wed 22/1007:05LHR - SYR

2 stops22h 06mScandinavian Airlines

Deal found 14/8£499

Wed 1/1006:00SYR - LHR

1 stop19h 30mJetBlue

Wed 22/1008:25LHR - SYR

1 stop16h 35mJetBlue

Deal found 13/8£501

Tue 21/1006:00SYR - LHR

1 stop9h 40mUnited Airlines

Tue 28/1018:00LHR - SYR

2 stops33h 13mUnited Airlines

Deal found 14/8£504

Best flights from Syracuse to Heathrow
Discover carefully curated flight deals from Syracuse to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Fri 14/1106:00SYR - LHR

1 stop19h 55mJetBlue

Tue 18/1112:20LHR - SYR

1 stop16h 28mJetBlue

Deal found 13/8£466

Wed 1/1006:00SYR - LHR

1 stop19h 30mJetBlue

Wed 15/1008:25LHR - SYR

1 stop16h 35mJetBlue

Deal found 13/8£472

Sat 8/1112:45SYR - LHR

1 stop27h 00mJetBlue

Fri 14/1112:20LHR - SYR

1 stop16h 28mJetBlue

Deal found 13/8£472

Tue 21/1006:00SYR - LHR

1 stop19h 30mJetBlue

Tue 28/1012:20LHR - SYR

1 stop15h 28mJetBlue

Deal found 14/8£473

Sun 7/907:00SYR - LHR

1 stop21h 30mJetBlue

Wed 17/908:25LHR - SYR

1 stop16h 46mJetBlue

Deal found 14/8£473

Sun 21/907:00SYR - LHR

1 stop21h 30mJetBlue

Thu 25/908:25LHR - SYR

1 stop16h 46mJetBlue

Deal found 14/8£473

Sun 28/907:00SYR - LHR

1 stop21h 30mJetBlue

Sun 5/1008:15LHR - SYR

1 stop20h 36mJetBlue

Deal found 14/8£478

Thu 9/1006:00SYR - LHR

1 stop19h 30mJetBlue

Fri 17/1008:15LHR - SYR

1 stop20h 38mJetBlue

Deal found 13/8£494

Thu 13/1112:45SYR - LHR

1 stop15h 45mJetBlue

Thu 20/1112:20LHR - SYR

1 stop16h 55mJetBlue

Deal found 13/8£494

Thu 18/906:00SYR - LHR

1 stop19h 30mJetBlue

Thu 2/1011:55LHR - SYR

1 stop17h 01mJetBlue

Deal found 13/8£494

Sun 14/907:00SYR - LHR

1 stop21h 30mJetBlue

Sun 21/908:25LHR - SYR

1 stop17h 45mJetBlue

Deal found 13/8£494

Last-minute flights from Syracuse to Heathrow
Discover last-minute flight deals from Syracuse to Heathrow. Data last updated 15 August 2025 and is based on user searches.

Wed 20/807:45SYR - LHR

1 stop17h 45mJetBlue

Thu 28/808:15LHR - SYR

1 stop20h 44mJetBlue

Deal found 14/8£510

Wed 20/807:45SYR - LHR

1 stop17h 45mJetBlue

Wed 27/811:55LHR - SYR

1 stop17h 04mJetBlue

Deal found 14/8£532

Wed 20/807:45SYR - LHR

1 stop17h 45mJetBlue

Mon 25/808:25LHR - SYR

1 stop15h 13mJetBlue

Deal found 14/8£535

Wed 20/807:45SYR - LHR

1 stop17h 45mJetBlue

Fri 29/811:55LHR - SYR

1 stop17h 04mJetBlue

Deal found 14/8£546

Wed 20/806:00SYR - LHR

1 stop9h 45mJetBlue

Tue 26/808:25LHR - SYR

1 stop15h 13mJetBlue

Deal found 14/8£583

Thu 21/807:45SYR - LHR

1 stop17h 45mJetBlue

Fri 29/811:55LHR - SYR

1 stop17h 04mJetBlue

Deal found 14/8£546

Thu 21/807:45SYR - LHR

1 stop17h 45mJetBlue

Thu 28/811:55LHR - SYR

1 stop17h 04mJetBlue

Deal found 14/8£557

Thu 21/807:45SYR - LHR

1 stop17h 45mJetBlue

Mon 1/908:25LHR - SYR

1 stop15h 13mJetBlue

Deal found 13/8£560

Fri 22/806:00SYR - LHR

1 stop9h 45mJetBlue

Fri 29/811:55LHR - SYR

1 stop17h 03mJetBlue

Deal found 14/8£574

Fri 22/806:00SYR - LHR

1 stop9h 45mJetBlue

Thu 28/811:55LHR - SYR

1 stop17h 04mJetBlue

Deal found 14/8£585

Mon 25/806:00SYR - LHR

1 stop22h 30mJetBlue

Sun 31/808:25LHR - SYR

1 stop15h 13mJetBlue

Deal found 13/8£552

Mon 25/806:00SYR - LHR

1 stop9h 45mJetBlue

Thu 4/911:55LHR - SYR

1 stop16h 56mJetBlue

Deal found 14/8£561

One-way flights from Syracuse to Heathrow
Search for one-way flight options from Syracuse to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 August 2025.

Sat 15/1112:45SYR - LHR

1 stop15h 45mJetBlue

Deal found 14/8£218

Mon 13/1006:00SYR - LHR

1 stop19h 30mJetBlue

Deal found 14/8£221

Sun 7/1212:45SYR - LHR

1 stop15h 45mJetBlue

Deal found 14/8£242

Wed 20/806:00SYR - LHR

1 stop9h 45mJetBlue

Deal found 13/8£257

Sat 4/1019:40SYR - LHR

3 stops36h 00mMultiple Airlines

Deal found 12/8£268

Thu 2/1006:00SYR - LHR

1 stop19h 30mJetBlue

Deal found 12/8£271

Fri 3/1016:32SYR - LHR

3 stops36h 48mMultiple Airlines

Deal found 12/8£277

Sun 7/1212:42SYR - LHR

2 stops15h 18mDelta

Deal found 13/8£299

Sat 4/1017:43SYR - LHR

2 stops55h 47mAir Canada

Deal found 12/8£304

Sat 15/1115:43SYR - LHR

3 stops44h 47mMultiple Airlines

Deal found 14/8£312

Thu 2/1019:58SYR - LHR

3 stops40h 47mMultiple Airlines

Deal found 12/8£314

Cheapflights Fare Finder

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

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 14/11

06:00-06:55

1 stop19h 55m

London Heathrow

Tue 18/11

12:20-23:48

1 stop16h 28m

£466

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 1/10

06:00-06:30

1 stop19h 30m

London Heathrow

Wed 15/10

08:25-20:00

1 stop16h 35m

£472

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sat 8/11

12:45-20:45

1 stop27h 00m

London Heathrow

Fri 14/11

12:20-23:48

1 stop16h 28m

£472

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 21/10

06:00-06:30

1 stop19h 30m

London Heathrow

Tue 28/10

12:20-23:48

1 stop15h 28m

£473

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 7/9

07:00-09:30

1 stop21h 30m

London Heathrow

Wed 17/9

08:25-20:11

1 stop16h 46m

£473

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 21/9

07:00-09:30

1 stop21h 30m

London Heathrow

Thu 25/9

08:25-20:11

1 stop16h 46m

£473

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 28/9

07:00-09:30

1 stop21h 30m

London Heathrow

Sun 5/10

08:15-23:51

1 stop20h 36m

£478

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 9/10

06:00-06:30

1 stop19h 30m

London Heathrow

Fri 17/10

08:15-23:53

1 stop20h 38m

£494

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 13/11

12:45-09:30

1 stop15h 45m

London Heathrow

Thu 20/11

12:20-00:15

1 stop16h 55m

£494

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 18/9

06:00-06:30

1 stop19h 30m

London Heathrow

Thu 2/10

11:55-23:56

1 stop17h 01m

£494

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 21 results

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 return 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, January is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of £112). Flying from Syracuse to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Related info for your journey

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 0 different 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 holiday 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, January is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of £112). Flying from Syracuse to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Croydon

Hounslow

Gatwick

Slough

Northampton

Deal

Luton

Wembley

Crawley

Ilford

Hayes

Ipswich

Southend-on-Sea

Winchester

Folkestone

Eastbourne

Maidstone

Watford

Chichester

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How does Cheapflights help users find flights from Syracuse to Heathrow?

Cheapflights helps you search for flights from Syracuse to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Syracuse to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Syracuse.

Can Cheapflights find flights from Syracuse to Heathrow with no change fees?

Yes, we can. To see specific flights from Syracuse to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Syracuse to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Syracuse today and book when prices fit your budget.

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Cheap flights from Syracuse to London Heathrow Airport from £218

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Syracuse Hancock Intl to London Heathrow are usually found in March or October, booked 34 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Syracuse to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Syracuse to Heathrow

Cheapest flights from Syracuse to HeathrowExplore 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 15 August 2025.

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 15 August 2025.

Cheapflights Fare Finder

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

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.

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?

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?

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

How can I find direct flights from Syracuse to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Syracuse to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Syracuse to Heathrow?

Can Cheapflights find flights from Syracuse to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Syracuse to Heathrow become cheaper?

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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 15 August 2025.