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Heathrow

$315+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$591
(American Airlines)

One-way from

$315
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$898
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. 19% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This oojo deal was found by Cheapflights users on 7/26. 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.
Tue 9/94:18 pmSYR - LHR
2 stops14h 42mBritish Airways
Tue 9/167:50 amLHR - SYR
2 stops17h 46mBritish Airways
Deal found 7/26$570
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/104:01 pmSYR - LHR
1 stop10h 54mAmerican Airlines
Wed 9/1712:00 pmLHR - SYR
1 stop15h 40mAmerican Airlines
Deal found 7/27$591
This Netflights deal was found by Cheapflights users on 7/27. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:05 amSYR - LHR
1 stop21h 25mJetBlue
Tue 11/1812:20 pmLHR - SYR
1 stop16h 24mJetBlue
Deal found 7/27$629
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 9/304:10 pmSYR - LHR
1 stop11h 40mDelta
Tue 10/711:45 amLHR - SYR
2 stops17h 26mDelta
Deal found 7/28$645
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 9/1011:16 amSYR - LHR
2 stops17h 19mScandinavian Airlines
Wed 9/176:40 amLHR - SYR
2 stops22h 53mScandinavian Airlines
Deal found 7/27$682
This KLM deal was found by Cheapflights users on 7/28. 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.
Tue 9/304:10 pmSYR - LHR
1 stop11h 40mKLM
Sun 10/51:05 pmLHR - SYR
1 stop15h 54mKLM
Deal found 7/28$702
This Booking.com deal was found by Cheapflights users on 7/27. 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.
Wed 9/36:25 amSYR - LHR
2 stops19h 05mMultiple Airlines
Wed 9/1010:50 amLHR - SYR
2 stops17h 49mMultiple Airlines
Deal found 7/27$727
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/36:00 amSYR - LHR
1 stop9h 40mUnited Airlines
Wed 9/102:05 pmLHR - SYR
2 stops24h 57mUnited Airlines
Deal found 7/28$728

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 July 28, 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

Tue 9/9

4:18 pm-12:00 pm

2 stops14h 42m

London Heathrow

Tue 9/16

7:50 am-8:36 pm

2 stops17h 46m

$570

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/10

4:01 pm-7:55 am

1 stop10h 54m

London Heathrow

Wed 9/17

12:00 pm-10:40 pm

1 stop15h 40m

$591

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 8/12

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Tue 8/19

8:25 am-6:38 pm

1 stop15h 13m

$642

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 9/30

4:10 pm-8:50 am

1 stop11h 40m

London Heathrow

Tue 10/7

11:45 am-12:11 am

2 stops17h 26m

$645

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/10

11:16 am-9:35 am

2 stops17h 19m

London Heathrow

Wed 9/17

6:40 am-12:33 am

2 stops22h 53m

$682

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 9/30

4:10 pm-8:50 am

1 stop11h 40m

London Heathrow

Sun 10/5

1:05 pm-11:59 pm

1 stop15h 54m

$702

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/3

6:25 am-6:30 am

2 stops19h 05m

London Heathrow

Wed 9/10

10:50 am-11:39 pm

2 stops17h 49m

$727

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 9/3

6:00 am-8:40 pm

1 stop9h 40m

London Heathrow

Wed 9/10

2:05 pm-10:02 am

2 stops24h 57m

$728

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sat 9/6

6:00 am-6:30 am

1 stop19h 30m

$315

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 8/7

4:50 pm-11:40 am

2 stops13h 50m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 14 results
1
2

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

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 $1,097). 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 July 28, 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.

How much does it cost to fly round-trip from Syracuse to London Heathrow Airport?

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 July 28, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from Syracuse to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,971 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
1,381 reviews
Delta
8.0
Very good
7,971 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.
Scandinavian Airlines
7.3
Good
1,446 reviews
Delta
8.0
Very good
7,971 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,971 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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?

    American Airlines, at $591, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include British Airways and JetBlue. 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 $315. However, be on the lookout for offers from British Airways and United Airlines, 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 $1,097). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$429Average$697FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$491Average$671FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$585Average$793FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$593Average$721FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$646Average$905FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$750Average$925FlexibilityNo cancel feeOn-time69%

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