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Heathrow

$319+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$601
(JetBlue)

One-way from

$319
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$1,335
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. 23% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This JetBlue deal was found by Cheapflights users on 6/12. 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 9/39:30 amSYR - LHR
1 stop16h 00mJetBlue
Wed 9/178:25 amLHR - SYR
1 stop16h 35mJetBlue
Deal found 6/12$601
This Delta deal was found by Cheapflights users on 6/12. 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 9/35:33 amSYR - LHR
1 stop19h 52mDelta
Wed 9/179:00 amLHR - SYR
2 stops18h 55mDelta
Deal found 6/12$603
This KLM deal was found by Cheapflights users on 6/12. 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 6/12$611
This The Travel House deal was found by Cheapflights users on 6/11. 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 11/146:00 amSYR - LHR
1 stop18h 55mIcelandair
Tue 11/187:25 amLHR - SYR
1 stop18h 30mIcelandair
Deal found 6/11$614
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Wed 10/110:50 amSYR - LHR
2 stops17h 45mScandinavian Airlines
Wed 10/227:05 amLHR - SYR
2 stops21h 46mScandinavian Airlines
Deal found 6/10$655
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/84:44 pmSYR - LHR
1 stop12h 36mAmerican Airlines
Tue 9/239:15 amLHR - SYR
1 stop15h 46mAmerican Airlines
Deal found 6/12$691
This FlightHub deal was found by Cheapflights users on 6/11. 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 8/111:35 pmSYR - LHR
1 stop13h 30mBritish Airways
Fri 8/2210:05 amLHR - SYR
1 stop11h 20mBritish Airways
Deal found 6/11$692
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/36:00 amSYR - LHR
1 stop9h 40mUnited Airlines
Wed 9/172:05 pmLHR - SYR
2 stops24h 57mUnited Airlines
Deal found 6/11$728
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Mon 9/15:43 pmSYR - LHR
2 stops31h 47mAir Canada
Wed 9/172:05 pmLHR - SYR
2 stops31h 41mAir Canada
Deal found 6/11$734
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:25 amSYR - LHR
2 stops21h 10mMultiple Airlines
Tue 9/238:30 amLHR - SYR
2 stops19h 29mMultiple Airlines
Deal found 6/12$735
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:49 pmSYR - LHR
2 stops22h 51mAustrian Airlines
Tue 12/27:25 pmLHR - SYR
2 stops28h 24mAustrian Airlines
Deal found 6/10$763
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 11/286:00 amSYR - LHR
2 stops30h 30mTAP AIR PORTUGAL
Fri 12/58:15 amLHR - SYR
2 stops20h 46mTAP AIR PORTUGAL
Deal found 6/10$781

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 June 12, 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 9/3

9:30 am-6:30 am

1 stop16h 00m

London Heathrow

Wed 9/17

8:25 am-8:00 pm

1 stop16h 35m

$601

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/3

5:33 am-6:25 am

1 stop19h 52m

London Heathrow

Wed 9/17

9:00 am-10:55 pm

2 stops18h 55m

$603

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

$611

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 9/5

11:16 am-9:35 am

2 stops17h 19m

London Heathrow

Fri 9/12

7:05 am-11:51 pm

2 stops21h 46m

$677

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 9/8

4:44 pm-10:20 am

1 stop12h 36m

London Heathrow

Tue 9/23

9:15 am-8:01 pm

1 stop15h 46m

$691

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 8/11

1:35 pm-8:05 am

1 stop13h 30m

London Heathrow

Fri 8/22

10:05 am-4:25 pm

1 stop11h 20m

$692

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/3

6:00 am-8:40 pm

1 stop9h 40m

London Heathrow

Wed 9/17

2:05 pm-10:02 am

2 stops24h 57m

$728

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 9/1

5:43 pm-6:30 am

2 stops31h 47m

London Heathrow

Wed 9/17

2:05 pm-4:46 pm

2 stops31h 41m

$734

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 9/8

6:25 am-8:35 am

2 stops21h 10m

London Heathrow

Tue 9/23

8:30 am-10:59 pm

2 stops19h 29m

$735

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 7/25

5:30 am-8:00 pm

1 stop9h 30m

London Heathrow

Fri 8/1

4:50 pm-12:48 am

1 stop12h 58m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 results
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2
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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 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 June 9, 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 $1,108). 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 June 12, 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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines 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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
652 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
2,925 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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 $601, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and KLM. You may be able to fly from Syracuse to London Heathrow Airport for 28% 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 $319. However, be on the lookout for offers from British Airways 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 $1,108). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$514Average$696FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$548Average$684FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$585Average$850FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$593Average$703FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$652Average$935FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$752Average$974FlexibilityNo cancel feeOn-time69%

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