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$439+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$593
(JetBlue Airways)

One-way from

$439
(JetBlue Airways)

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. 22% potential increase in price ($244 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 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 15, 2025.

This JetBlue Airways deal was found by Cheapflights users on 4/14. 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 Airways 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 4/14$593
This KLM deal was found by Cheapflights users on 4/14. 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 10/66:50 pmSYR - LHR
1 stop13h 40mKLM
Fri 10/171:05 pmLHR - SYR
1 stop15h 50mKLM
Deal found 4/14$603
This Delta deal was found by Cheapflights users on 4/14. 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 9/249:30 amSYR - LHR
2 stops16h 15mDelta
Wed 10/19:20 amLHR - SYR
2 stops18h 35mDelta
Deal found 4/14$607
This Virgin Atlantic deal was found by Cheapflights users on 4/14. 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 8/136:00 amSYR - LHR
1 stop19h 25mVirgin Atlantic
Thu 8/218:10 pmLHR - SYR
1 stop19h 03mVirgin Atlantic
Deal found 4/14$648
This Aeromexico deal was found by Cheapflights users on 4/14. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:50 amSYR - LHR
1 stop17h 00mAir France
Fri 10/1712:45 pmLHR - SYR
2 stops31h 33mAir France
Deal found 4/14$659
This United Airlines deal was found by Cheapflights users on 4/14. 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 8/1311:49 amSYR - LHR
2 stops13h 41mUnited Airlines
Thu 8/218:30 amLHR - SYR
2 stops17h 45mUnited Airlines
Deal found 4/14$696
This oojo deal was found by Cheapflights users on 4/14. 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 8/134:35 pmSYR - LHR
2 stops13h 55mBritish Airways
Thu 8/218:15 amLHR - SYR
2 stops16h 44mBritish Airways
Deal found 4/14$704
This Scandinavian Airlines deal was found by Cheapflights users on 4/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/174:04 pmSYR - LHR
2 stops21h 26mScandinavian Airlines
Wed 5/217:05 amLHR - SYR
2 stops22h 22mScandinavian Airlines
Deal found 4/14$732
This BYOjet deal was found by Cheapflights users on 4/14. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:30 amSYR - LHR
2 stops19h 00mAir Canada
Thu 5/2912:05 pmLHR - SYR
2 stops14h 09mAir Canada
Deal found 4/14$745
This Air Canada deal was found by Cheapflights users on 4/15. 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.
Fri 9/510:44 amSYR - LHR
3 stops18h 16mMultiple Airlines
Fri 9/122:05 pmLHR - SYR
2 stops14h 23mMultiple Airlines
Deal found 4/15$763
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 amSYR - LHR
2 stops30h 45mTAP AIR PORTUGAL
Fri 10/1011:55 amLHR - SYR
1 stop16h 56mTAP AIR PORTUGAL
Deal found 4/14$921
This The Travel House deal was found by Cheapflights users on 4/14. 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 5/307:00 amSYR - LHR
1 stop21h 30mIcelandair
Mon 6/98:15 amLHR - SYR
1 stop21h 02mIcelandair
Deal found 4/14$941

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 15, 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

Wed 4/30

11:35 am-9:30 am

1 stop16h 55m

London Heathrow

Wed 5/7

11:55 am-12:16 am

1 stop17h 21m

$593

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 8/4

4:00 pm-10:15 am

1 stop13h 15m

London Heathrow

Fri 8/22

4:05 pm-11:56 pm

1 stop12h 51m

$603

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/24

9:30 am-6:45 am

2 stops16h 15m

London Heathrow

Wed 10/1

9:20 am-10:55 pm

2 stops18h 35m

$607

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 8/13

6:00 am-6:25 am

1 stop19h 25m

London Heathrow

Thu 8/21

8:10 pm-10:13 am

1 stop19h 03m

$648

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 10/6

4:00 pm-10:15 am

1 stop13h 15m

London Heathrow

Fri 10/17

12:45 pm-3:18 pm

2 stops31h 33m

$659

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 8/4

2:50 pm-10:40 am

1 stop14h 50m

London Heathrow

Fri 8/22

2:05 pm-4:46 pm

2 stops31h 41m

$684

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 8/4

4:22 pm-12:00 pm

2 stops14h 38m

London Heathrow

Mon 8/25

7:25 pm-7:59 pm

2 stops29h 34m

$700

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 8/31

5:43 pm-8:35 am

2 stops33h 52m

London Heathrow

Tue 9/16

9:30 am-4:46 pm

2 stops36h 16m

$723

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sat 5/17

4:04 pm-6:30 pm

2 stops21h 26m

London Heathrow

Wed 5/21

7:05 am-12:27 am

2 stops22h 22m

$732

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 8/31

5:43 pm-6:35 am

2 stops31h 52m

London Heathrow

Sun 9/14

10:50 am-11:59 pm

2 stops18h 09m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 20 results
1
2

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 11, 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 15, 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 15, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France from Syracuse to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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
1,323 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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.
Air France
7.5
Good
1,433 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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
8,656 reviews
Delta
8.0
Very good
7,916 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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
7,916 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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?

    JetBlue, at $593, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and Delta. You may be able to fly from Syracuse to London Heathrow Airport for 31% 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 $439. However, be on the lookout for offers from Delta and Air Canada, 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
Wembley
Canterbury
Harrow
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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$429Average$732FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$548Average$686FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$597Average$800FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$617Average$814FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$656Average$944FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$750Average$974FlexibilityNo cancel feeOn-time69%

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