London

$340+ Cheap flights from Syracuse (SYR) to London (LON)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LON
Jun 5 — Jun 121
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Cheap flight deals from Syracuse to London

Cheapest flights from Syracuse to London
Explore the most affordable flight options available from Syracuse to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.

This oojo deal was found by Cheapflights users on 5/1. 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.
Sat 10/2411:25 am
SYR
-
LHR
2 stops18h 10m
Scandinavian Airlines
Sat 10/316:40 am
LHR
-
SYR
2 stops21h 10m
Scandinavian Airlines
Deal found 5/1$826
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:25 am
SYR
-
LHR
1 stop19h 15m
United Airlines
Tue 9/156:50 am
LHR
-
SYR
2 stops14h 58m
United Airlines
Deal found 5/1$889
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:52 pm
SYR
-
LHR
1 stop9h 48m
United Airlines
Thu 9/176:50 am
LHR
-
SYR
2 stops19h 34m
United Airlines
Deal found 5/5$890
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:50 pm
SYR
-
LHR
1 stop11h 05m
United Airlines
Wed 9/308:40 am
LHR
-
SYR
2 stops17h 28m
United Airlines
Deal found 5/4$891
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
SYR
-
LHR
1 stop19h 30m
JetBlue
Thu 5/1411:55 am
LHR
-
SYR
1 stop17h 04m
JetBlue
Deal found 5/5$892
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:15 am
SYR
-
LHR
2 stops22h 45m
United Airlines
Wed 9/306:50 am
LHR
-
SYR
2 stops21h 54m
United Airlines
Deal found 5/4$893
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
SYR
-
LGW
1 stop21h 35m
JetBlue
Mon 9/712:20 pm
LGW
-
SYR
1 stop15h 31m
JetBlue
Deal found 5/4$893
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:44 pm
SYR
-
LHR
1 stop32h 01m
United Airlines
Fri 9/116:50 am
LHR
-
SYR
2 stops14h 58m
United Airlines
Deal found 5/1$895
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
SYR
-
LGW
1 stop21h 35m
JetBlue
Wed 8/1912:20 pm
LGW
-
SYR
1 stop15h 31m
JetBlue
Deal found 5/3$921
This Delta deal was found by Cheapflights users on 5/2. 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 9/911:25 am
SYR
-
LGW
2 stops17h 00m
Delta
Tue 9/1510:35 am
LGW
-
SYR
2 stops18h 22m
Delta
Deal found 5/2$938
This Delta deal was found by Cheapflights users on 5/6. 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
-
LGW
2 stops17h 00m
Delta
Mon 9/2110:25 am
LGW
-
SYR
2 stops18h 32m
Delta
Deal found 5/6$939
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
SYR
-
LGW
1 stop21h 35m
JetBlue
Tue 9/812:20 pm
LGW
-
SYR
1 stop15h 31m
JetBlue
Deal found 5/1$943

Find flight deals from Syracuse to London

Discover tips and strategies to find the most affordable flight options for your journey from Syracuse (SYR) to London (LON). 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 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$826
(oojo)

One-way from

$340
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$855
Provider with most accurate pricing for Syracuse Hancock Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Syracuse Hancock Intl-London (LON) flights.
From Syracuse Hancock Intl to London (LON)
One-way flight from Syracuse Hancock Intl to London (LON)
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Syracuse to London 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 6, 2026.
Use the filters below to find and compare flights from Syracuse to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 9/17

11:25 am-7:55 am

2 stops15h 30m

London Heathrow

Mon 9/21

11:45 am-11:57 pm

2 stops17h 12m

$933

SyracuseLondon

SYR - LGW

SYRLGW

Syracuse Hancock Intl

Wed 9/23

11:25 am-9:25 am

2 stops17h 00m

London Gatwick

Mon 10/5

10:25 am-11:57 pm

2 stops18h 32m

$940

SyracuseLondon

SYR - LGW

SYRLGW

Syracuse Hancock Intl

Thu 9/17

11:25 am-9:25 am

2 stops17h 00m

London Gatwick

Mon 9/21

10:25 am-11:57 pm

2 stops18h 32m

$940

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 10/21

6:30 am-6:30 am

2 stops19h 00m

London Heathrow

Sun 10/25

9:30 am-9:44 am

2 stops28h 14m

$955

SyracuseLondon

SYR - LCY

SYRLCY

Syracuse Hancock Intl

Sun 9/6

11:25 am-8:50 am

2 stops16h 25m

London City

Tue 9/15

9:20 am-11:57 pm

2 stops19h 37m

$956

SyracuseLondon

SYR - LCY

SYRLCY

Syracuse Hancock Intl

Wed 9/9

11:25 am-7:55 am

2 stops15h 30m

London City

Tue 9/15

10:00 am-11:57 pm

2 stops18h 57m

$956

SyracuseLondon

SYR - LCY

SYRLCY

Syracuse Hancock Intl

Wed 9/9

11:25 am-7:55 am

2 stops15h 30m

London City

Sun 9/13

1:45 pm-11:57 pm

2 stops15h 12m

$957

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 8/5

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Fri 8/14

12:15 pm-11:51 pm

1 stop16h 36m

$976

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 5/17

7:40 pm-6:55 am

1 stop30h 15m

London Heathrow

Sun 5/31

4:25 pm-11:59 pm

2 stops36h 34m

$1,009

SyracuseLondon

SYR - LCY

SYRLCY

Syracuse Hancock Intl

Thu 9/17

10:25 am-8:40 am

2 stops17h 15m

London City

Mon 9/21

9:15 am-11:51 pm

2 stops19h 36m

$1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Syracuse to London

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 London in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Syracuse-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Syracuse-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Syracuse-London flights, Cheapflights users trust FlightHub the most. FlightHub 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

The price you pay for your flight from Syracuse to London may vary depending on when you book. For the best chance of a lower fare, look to book 19 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?

Currently, August is the cheapest month in which you can book a flight from Syracuse to London (average of $45). Flying from Syracuse to London in March is currently the most expensive (average of $628). 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?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 6, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Syracuse to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

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

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

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

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

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

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

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

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

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

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

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 London. 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?

    For a flight from Syracuse to London, you will be flying from Hancock Intl. Syracuse Hancock Intl (SYR) is just 4.8 mi from the center of the city. Hancock Intl is the only Syracuse airport and it handles 0 outbound flights to London per day. 5 airlines have flights to London from Syracuse Hancock Intl on a regular basis.

  • How long is the flight from Syracuse to London?

    Delta, United Airlines, and Lufthansa can get you from Syracuse to London in just under 15h 30m. Your travel time can differ by up to 3h 30m. Syracuse and London are separated by a distance of 3429 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Delta, at $580, was found to be the cheapest airline from Syracuse to London.Alternate airlines to your destination round-trip include American Airlines and Virgin Atlantic. You may be able to fly from Syracuse to London for 30% less than the average price by searching for these airlines.

  • What are the most popular routes from Syracuse to London?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Syracuse to London 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?

    Currently, August is the cheapest month in which you can book a flight from Syracuse to London (average of $45). Flying from Syracuse to London in March is currently the most expensive (average of $628). 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Syracuse to London

Discover the top 5 airlines that operate flights from Syracuse to London. 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 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$580Average$808FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$598Average$829FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$609Average$820FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$644Average$793FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$648Average$918FlexibilityNo cancel feeOn-time69%

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