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$393+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LON
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Syracuse Hancock Intl to London are usually found in February or October, booked 37 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap 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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$602
(Delta)

One-way from

$393
(JetBlue)

Popular in

July

Cheapest in

February

Average price

$777
Provider with most accurate pricing for Syracuse Hancock Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Syracuse Hancock Intl-London (LON) flights.
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From Syracuse Hancock Intl to London (LON)
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One-way flight from Syracuse Hancock Intl to London (LON)
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Highest demand for flights based on searches. 23% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 abril 30, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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.
lun. 8/411:27 amSYR - LHR
1 stop14h 48mDelta
vie. 8/229:55 amLHR - SYR
2 stops19h 01mDelta
Deal found 4/28$602
This KLM deal was found by Cheapflights users on 4/28. 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.
lun. 8/44:13 pmSYR - LHR
1 stop11h 37mKLM
vie. 8/224:05 pmLHR - SYR
1 stop12h 51mKLM
Deal found 4/28$609
This Delta deal was found by Cheapflights users on 4/28. 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.
lun. 8/411:27 amSYR - LCY
2 stops16h 23mDelta
vie. 8/2210:00 amLCY - SYR
2 stops18h 56mDelta
Deal found 4/28$657
This Travelocity deal was found by Cheapflights users on 4/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/134:27 pmSYR - LHR
1 stop10h 28mBritish Airways
lun. 8/187:30 pmLHR - SYR
2 stops25h 32mBritish Airways
Deal found 4/28$682
This Delta deal was found by Cheapflights users on 4/29. 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.
lun. 8/44:13 pmSYR - LGW
1 stop12h 47mDelta
vie. 8/2212:00 pmLGW - SYR
1 stop16h 56mDelta
Deal found 4/29$691
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/3011:35 amSYR - LHR
1 stop16h 55mJetBlue
mié. 5/711:55 amLHR - SYR
1 stop17h 21mJetBlue
Deal found 4/29$702
This oojo deal was found by Cheapflights users on 4/28. 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.
vie. 5/94:04 pmSYR - LHR
2 stops36h 31mScandinavian Airlines
jue. 8/147:05 amLHR - SYR
2 stops21h 51mScandinavian Airlines
Deal found 4/28$734
This oojo deal was found by Cheapflights users on 4/29. 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.
lun. 8/44:22 pmSYR - LCY
2 stops22h 33mBritish Airways
lun. 8/253:30 pmLCY - SYR
2 stops29h 32mBritish Airways
Deal found 4/29$736
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1412:47 pmSYR - LHR
1 stop13h 33mAmerican Airlines
lun. 6/212:15 pmLHR - SYR
1 stop14h 45mAmerican Airlines
Deal found 4/28$759
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/66:00 amSYR - LGW
1 stop22h 35mTAP AIR PORTUGAL
vie. 10/1712:10 pmLGW - SYR
1 stop13h 26mTAP AIR PORTUGAL
Deal found 4/29$799
This United Airlines deal was found by Cheapflights users on 4/28. 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.
lun. 8/2510:30 amSYR - LHR
1 stop15h 25mUnited Airlines
sáb. 12/132:30 pmLHR - SYR
2 stops31h 27mUnited Airlines
Deal found 4/28$815
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/710:44 amSYR - LHR
3 stops17h 51mMultiple Airlines
dom. 9/212:05 pmLHR - SYR
2 stops13h 54mMultiple Airlines
Deal found 4/29$844

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 abril 30, 2025.
Use the filters below to find and compare flights from Syracuse to London that are best for you.

Fly from

Syracuse

Fly to

London

Route

Depart

Return

Price

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

lun. 8/4

11:27 am-7:15 am

1 stop14h 48m

London Heathrow

vie. 8/22

9:55 am-11:56 pm

2 stops19h 01m

$602

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

lun. 8/4

4:13 pm-8:50 am

1 stop11h 37m

London Heathrow

vie. 8/22

4:05 pm-11:56 pm

1 stop12h 51m

$609

SyracuseLondon

SYR - LCY

SYRLCY

Syracuse Hancock Intl

lun. 8/4

11:27 am-8:50 am

2 stops16h 23m

London City

vie. 8/22

10:00 am-11:56 pm

2 stops18h 56m

$657

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

mié. 8/13

4:27 pm-7:55 am

1 stop10h 28m

London Heathrow

lun. 8/18

7:30 pm-4:02 pm

2 stops25h 32m

$682

SyracuseLondon

SYR - LGW

SYRLGW

Syracuse Hancock Intl

lun. 8/4

4:13 pm-10:00 am

1 stop12h 47m

London Gatwick

vie. 8/22

12:00 pm-11:56 pm

1 stop16h 56m

$691

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

vie. 5/9

4:04 pm-9:35 am

2 stops36h 31m

London Heathrow

jue. 8/14

7:05 am-11:56 pm

2 stops21h 51m

$734

SyracuseLondon

SYR - LCY

SYRLCY

Syracuse Hancock Intl

lun. 8/4

4:22 pm-7:55 pm

2 stops22h 33m

London City

lun. 8/25

3:30 pm-4:02 pm

2 stops29h 32m

$736

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

mié. 5/14

12:47 pm-7:20 am

1 stop13h 33m

London Heathrow

lun. 6/2

12:15 pm-10:00 pm

1 stop14h 45m

$759

SyracuseLondon

SYR - LGW

SYRLGW

Syracuse Hancock Intl

lun. 10/6

6:00 am-9:35 am

1 stop22h 35m

London Gatwick

vie. 10/17

12:10 pm-8:36 pm

1 stop13h 26m

$799

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

lun. 8/25

10:30 am-6:55 am

1 stop15h 25m

London Heathrow

sáb. 12/13

2:30 pm-4:57 pm

2 stops31h 27m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 40 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Syracuse-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

Use this chart to determine the optimal time to book a round-trip flight from Syracuse to London. Price data was last updated on April 25, 2025.

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 37 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, November is the cheapest month in which you can book a flight from Syracuse to London (average of $661). Flying from Syracuse to London in June is currently the most expensive (average of $1,110). 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 LON?

Find hourly flight availability from Syracuse to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

It’s optimal to fly from Syracuse to London in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Syracuse to London. Price data was last updated on June 2, 2024.

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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 abril 30, 2025.
To help decide which airline to fly from Syracuse to London, see what other customers have to say about Delta, KLM and United Airlines. 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.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
642 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

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 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. 6 airlines have flights to London from Syracuse Hancock Intl on a regular basis.

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

    Delta, at $602, was found to be the cheapest airline from Syracuse to London.Alternate airlines to your destination round-trip include KLM and British Airways. You may be able to fly from Syracuse to London for 24% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Syracuse to London one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $393. TAP AIR PORTUGAL flights start at $474 while deals on Delta start at $486 one-way.

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

    Most travelers choose Syracuse Hancock Intl - London Heathrow, Syracuse Hancock Intl - London Gatwick or Syracuse Hancock Intl - London City when deciding on the best route 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, November is the cheapest month in which you can book a flight from Syracuse to London (average of $661). Flying from Syracuse to London in June is currently the most expensive (average of $1,110). 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 Syracuse?

Book flights to Syracuse if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Syracuse to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Syracuse to London

Discover the top 6 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$429Average$721FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$548Average$684FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$597Average$800FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$617Average$822FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$656Average$945FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$750Average$953FlexibilityNo cancel feeOn-time69%

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