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$393+ Cheap flights from Syracuse (SYR) to Heathrow (LHR)

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 — LHR
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 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

June

Cheapest in

October

Average price

$778
Provider with most accurate pricing for Syracuse Hancock Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Syracuse Hancock Intl-London Heathrow flights.
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From Syracuse Hancock Intl to London Heathrow
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One-way flight from Syracuse Hancock Intl to London Heathrow
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Highest demand for flights based on searches. 21% potential increase in price ($230 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 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 April 29, 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.
Mon 8/411:27 amSYR - LHR
1 stop14h 48mDelta
Fri 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.
Mon 8/44:13 pmSYR - LHR
1 stop11h 37mKLM
Fri 8/224:05 pmLHR - SYR
1 stop12h 51mKLM
Deal found 4/28$609
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.
Wed 8/134:27 pmSYR - LHR
1 stop10h 28mBritish Airways
Mon 8/187:30 pmLHR - SYR
2 stops25h 32mBritish Airways
Deal found 4/28$682
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.
Wed 4/3011:35 amSYR - LHR
1 stop16h 55mJetBlue
Wed 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.
Fri 5/94:04 pmSYR - LHR
2 stops36h 31mScandinavian Airlines
Thu 8/147:05 amLHR - SYR
2 stops21h 51mScandinavian Airlines
Deal found 4/28$734
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.
Wed 5/1412:47 pmSYR - LHR
1 stop13h 33mAmerican Airlines
Mon 6/212:15 pmLHR - SYR
1 stop14h 45mAmerican Airlines
Deal found 4/28$759
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.
Mon 8/2510:30 amSYR - LHR
1 stop15h 25mUnited Airlines
Sat 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.
Sun 9/710:44 amSYR - LHR
3 stops17h 51mMultiple Airlines
Sun 9/212:05 pmLHR - SYR
2 stops13h 54mMultiple Airlines
Deal found 4/29$844
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:00 amSYR - LHR
1 stop19h 30mIcelandair
Mon 6/98:15 amLHR - SYR
1 stop21h 01mIcelandair
Deal found 4/29$857
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/231:00 pmSYR - LHR
2 stops12h 20mVirgin Atlantic
Sun 7/2712:25 pmLHR - SYR
2 stops15h 42mVirgin Atlantic
Deal found 4/28$878
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.
Tue 6/36:00 amSYR - LHR
1 stop19h 30mTAP AIR PORTUGAL
Fri 6/68:25 amLHR - SYR
1 stop18h 37mTAP AIR PORTUGAL
Deal found 4/29$880
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.
Wed 7/96:00 amSYR - LHR
2 stops22h 05mAer Lingus
Sun 7/2010:00 pmLHR - SYR
2 stops30h 59mAer Lingus
Deal found 4/28$1,024

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 29, 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

Mon 8/4

11:27 am-7:15 am

1 stop14h 48m

London Heathrow

Fri 8/22

9:55 am-11:56 pm

2 stops19h 01m

$602

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 8/4

4:13 pm-8:50 am

1 stop11h 37m

London Heathrow

Fri 8/22

4:05 pm-11:56 pm

1 stop12h 51m

$609

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 8/13

4:27 pm-7:55 am

1 stop10h 28m

London Heathrow

Mon 8/18

7:30 pm-4:02 pm

2 stops25h 32m

$682

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 5/9

4:04 pm-9:35 am

2 stops36h 31m

London Heathrow

Thu 8/14

7:05 am-11:56 pm

2 stops21h 51m

$734

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 5/14

12:47 pm-7:20 am

1 stop13h 33m

London Heathrow

Mon 6/2

12:15 pm-10:00 pm

1 stop14h 45m

$759

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 8/25

10:30 am-6:55 am

1 stop15h 25m

London Heathrow

Sat 12/13

2:30 pm-4:57 pm

2 stops31h 27m

$815

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 9/7

10:44 am-9:35 am

3 stops17h 51m

London Heathrow

Sun 9/21

2:05 pm-10:59 pm

2 stops13h 54m

$844

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 10/6

7:15 am-9:05 am

2 stops20h 50m

London Heathrow

Fri 10/17

9:50 am-11:51 pm

2 stops19h 01m

$850

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 5/30

6:00 am-6:30 am

1 stop19h 30m

London Heathrow

Mon 6/9

8:15 am-12:16 am

1 stop21h 01m

$857

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 7/23

1:00 pm-6:20 am

2 stops12h 20m

London Heathrow

Sun 7/27

12:25 pm-11:07 pm

2 stops15h 42m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 22 results
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Compare providers for flights from Syracuse to Heathrow

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 Heathrow 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 Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Syracuse-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Syracuse-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Syracuse-London Heathrow Airport 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 Heathrow Airport 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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 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 round-trip flight from Syracuse to Heathrow. Price data was last updated on April 25, 2025.

The price you pay for your flight from Syracuse to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 32 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 Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $661). Flying from Syracuse to London Heathrow Airport 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 LHR?

Find hourly flight availability from Syracuse to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

One of the essential ways to save on airfare from Syracuse to London Heathrow Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Syracuse to Heathrow. Price data was last updated on December 16, 2024.

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

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

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 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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 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 6 different airlines.

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

    Delta, at $602, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and British Airways. You may be able to fly from Syracuse to London Heathrow Airport for 29% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $393. However, be on the lookout for offers from TAP AIR PORTUGAL and Delta, as they are both options that can get you from Syracuse to London Heathrow Airport for a low price.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $661). Flying from Syracuse to London Heathrow Airport 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
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Syracuse to Heathrow

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 Heathrow

Discover the top 6 airlines that operate flights from Syracuse to Heathrow. 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 April 29, 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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