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Cheap flights from Syracuse to London Heathrow Airport from £237

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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

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 21 November 2025.

Round-trip from

£441

One-way from

£237

Popular in

June

Cheapest in

October

Average price

£574
Scandinavian Airlines
  • Scandinavian Airlines
  • 19/3-1/4
  • 4 total stops
  • 50h 56m total
  • Syracuse to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 7/12
  • 2 total stops
  • 25h 40m total
  • Syracuse to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£104 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Syracuse to Heathrow

Enter your travel dates to find the best prices.

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 21 November 2025.

Tue 9/1207:05SYR - LHR
1 stop9h 35mJetBlue
Thu 25/1212:20LHR - SYR
1 stop16h 39mJetBlue
Deal found 19/11£510
Wed 10/1207:05SYR - LHR
1 stop9h 35mJetBlue
Thu 25/1212:20LHR - SYR
1 stop16h 39mJetBlue
Deal found 19/11£565
Sun 14/1217:33SYR - LHR
1 stop10h 12mDelta
Thu 25/1208:40LHR - SYR
2 stops19h 36mDelta
Deal found 19/11£627
Sat 13/1217:23SYR - LHR
2 stops32h 47mAir Canada
Fri 26/1213:25LHR - SYR
2 stops36h 44mAir Canada
Deal found 19/11£636
Sun 14/1210:49SYR - LHR
1 stop18h 36mLufthansa
Fri 26/1206:30LHR - SYR
2 stops22h 13mLufthansa
Deal found 19/11£639
Sat 13/1210:49SYR - LHR
1 stop29h 31mLufthansa
Fri 26/1206:30LHR - SYR
2 stops22h 13mLufthansa
Deal found 19/11£643
Tue 23/1206:15SYR - LHR
2 stops43h 15mAir Canada
Tue 13/113:25LHR - SYR
2 stops31h 50mAir Canada
Deal found 20/11£646
Wed 24/1205:30SYR - LHR
2 stops20h 40mUnited Airlines
Wed 7/116:00LHR - SYR
1 stop12h 25mUnited Airlines
Deal found 20/11£647
Fri 5/1216:04SYR - LHR
1 stop11h 01mVirgin Atlantic
Tue 9/1216:10LHR - SYR
1 stop12h 55mVirgin Atlantic
Deal found 18/11£648
Wed 10/1212:19SYR - LHR
2 stops14h 31mDelta
Thu 25/1212:40LHR - SYR
1 stop13h 28mDelta
Deal found 19/11£651

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 21 November 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

Thu 19/3

11:25-09:20

2 stops17h 55m

London Heathrow

Wed 1/4

19:50-23:51

2 stops33h 01m

£441

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 18/2

11:45-21:40

2 stops28h 55m

London Heathrow

Wed 25/2

06:40-00:21

2 stops22h 41m

£458

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 11/3

11:25-09:20

2 stops17h 55m

London Heathrow

Wed 18/3

06:40-23:51

2 stops21h 11m

£458

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 18/2

12:45-08:45

1 stop15h 00m

London Heathrow

Wed 25/2

11:45-23:15

2 stops16h 30m

£480

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 10/3

07:00-21:40

1 stop10h 40m

London Heathrow

Tue 17/3

09:20-22:46

1 stop17h 26m

£487

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 10/3

13:40-09:30

1 stop15h 50m

London Heathrow

Thu 19/3

09:20-22:46

1 stop17h 26m

£487

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 10/3

07:00-21:40

1 stop10h 40m

London Heathrow

Wed 18/3

12:20-23:55

1 stop15h 35m

£487

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 4/1

17:27-20:10

1 stop21h 43m

London Heathrow

Wed 14/1

11:45-23:13

2 stops16h 28m

£560

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 18/3

16:30-10:15

1 stop13h 45m

London Heathrow

Tue 31/3

08:40-23:01

2 stops19h 21m

£578

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 7/12

06:00-12:40

2 stops25h 40m

£237

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 17 results
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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

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 return flight from Syracuse to Heathrow. Price data was last updated on 14 November 2025.

To ensure you get the cheapest price possible for a flight from Syracuse to London Heathrow Airport, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, December is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of £174). Flying from Syracuse to London Heathrow Airport in June is currently the most expensive (average of £619). 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

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 0 different airlines.

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

    There are many flights that can get you from Syracuse to London Heathrow Airport in 17h 55m. Fly via Scandinavian Airlines to get the fastest option. The distance between Syracuse and London Heathrow Airport is about 3429 mi.

  • 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, December is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of £174). Flying from Syracuse to London Heathrow Airport in June is currently the most expensive (average of £619). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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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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