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Heathrow

$329+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — LHR
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap 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 March 10, 2026.

This FlightHub deal was found by Cheapflights users on 3/9. 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.
Tue 4/2811:51 am
SYR
-
LHR
2 stops16h 44m
Scandinavian Airlines
Mon 5/117:05 am
LHR
-
SYR
2 stops22h 23m
Scandinavian Airlines
Deal found 3/9$686
This FlightHub deal was found by Cheapflights users on 3/5. 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.
Tue 4/2811:51 am
SYR
-
LHR
2 stops16h 44m
Scandinavian Airlines
Tue 5/127:05 am
LHR
-
SYR
2 stops22h 23m
Scandinavian Airlines
Deal found 3/5$716
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 11/86:00 am
SYR
-
LHR
1 stop19h 40m
United Airlines
Thu 11/126:50 am
LHR
-
SYR
2 stops15h 07m
United Airlines
Deal found 3/8$717
This Delta deal was found by Cheapflights users on 3/8. 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.
Sun 9/611:25 am
SYR
-
LHR
1 stop16h 25m
Delta
Fri 9/1111:45 am
LHR
-
SYR
2 stops17h 12m
Delta
Deal found 3/8$718
This Flighttix deal was found by Cheapflights users on 3/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:00 am
SYR
-
LHR
1 stop20h 55m
JetBlue
Tue 4/78:40 am
LHR
-
SYR
1 stop19h 17m
JetBlue
Deal found 3/10$720
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 9/66:15 am
SYR
-
LHR
2 stops22h 45m
United Airlines
Fri 9/116:50 am
LHR
-
SYR
2 stops14h 58m
United Airlines
Deal found 3/8$721
This United Airlines deal was found by Cheapflights users on 3/9. 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 8/317:52 pm
SYR
-
LHR
1 stop30h 03m
United Airlines
Fri 9/116:50 am
LHR
-
SYR
2 stops19h 34m
United Airlines
Deal found 3/9$723
This Flighttix deal was found by Cheapflights users on 3/6. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 am
SYR
-
LHR
1 stop21h 20m
JetBlue
Mon 4/278:15 am
LHR
-
SYR
1 stop20h 44m
JetBlue
Deal found 3/6$728
This Flighttix deal was found by Cheapflights users on 3/9. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:11 am
SYR
-
LHR
1 stop21h 19m
JetBlue
Thu 4/308:15 am
LHR
-
SYR
1 stop20h 44m
JetBlue
Deal found 3/9$730

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(FlightHub)

One-way from

$329
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$834
Provider with most accurate pricing for Syracuse Hancock Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Syracuse Hancock Intl-London Heathrow flights.
Search Deals
From Syracuse Hancock Intl to London Heathrow
Search Deals
One-way flight from Syracuse Hancock Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 2026.
Use the filters below to find and compare flights from Syracuse to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 3/20

7:12 am-8:45 pm

1 stop9h 33m

London Heathrow

Tue 3/24

12:20 pm-11:59 pm

1 stop15h 39m

$762

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Tue 4/28

2:45 pm-6:55 am

1 stop11h 10m

London Heathrow

Tue 5/12

6:50 am-8:50 pm

2 stops19h 00m

$777

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Mon 4/20

2:55 pm-8:20 am

1 stop12h 25m

London Heathrow

Mon 4/27

5:50 pm-8:47 pm

2 stops31h 57m

$790

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 4/23

5:13 pm-12:10 pm

2 stops13h 57m

London Heathrow

Thu 4/30

8:40 am-11:10 pm

2 stops19h 30m

$832

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 4/24

6:30 am-6:30 am

2 stops19h 00m

London Heathrow

Mon 5/4

12:10 pm-8:50 pm

2 stops37h 40m

$832

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 4/22

6:00 am-5:45 pm

3 stops30h 45m

London Heathrow

Wed 4/29

8:00 am-11:59 pm

2 stops20h 59m

$836

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Thu 4/16

11:51 am-9:40 pm

2 stops28h 49m

London Heathrow

Mon 4/20

6:40 am-12:43 am

3 stops23h 03m

$852

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Fri 4/17

11:51 am-1:35 pm

3 stops20h 44m

London Heathrow

Mon 4/20

6:40 am-12:43 am

3 stops23h 03m

$856

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Wed 5/13

6:00 am-8:40 pm

1 stop9h 40m

London Heathrow

Sat 5/23

6:50 am-9:19 pm

2 stops19h 29m

$873

SyracuseLondon

SYR - LHR

SYRLHR

Syracuse Hancock Intl

Sun 5/10

6:00 am-10:00 am

2 stops23h 00m

London Heathrow

Sat 5/23

6:50 am-4:48 pm

2 stops14h 58m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Syracuse-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 2026.

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 28 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, December is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $227). Flying from Syracuse to London Heathrow Airport in June is currently the most expensive (average of $799). 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.

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 March 10, 2026.
Get a feel of what it's like to fly with Delta,Virgin Atlantic, andUnited 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
7.9
Good
8,276 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
7.5
Good
680 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
9,409 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
7.1
Good
11,414 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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.
British Airways
6.7
Okay
7,781 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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.

  • How long is the flight from Syracuse to London Heathrow Airport?

    For as low as $762, JetBlue can have you in London Heathrow Airport from Syracuse in 9h 33m. Syracuse and London Heathrow Airport are separated by a distance of 3429 mi. This flight may include one or multiple stops.

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

    JetBlue, at $61, was found to be the cheapest airline from Syracuse to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and American Airlines. You may be able to fly from Syracuse to London Heathrow Airport for 93% less than the average price by searching for these airlines.

  • 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, December is the cheapest month in which you can book a flight from Syracuse to London Heathrow Airport (average of $227). Flying from Syracuse to London Heathrow Airport in June is currently the most expensive (average of $799). 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
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$61Average$724FlexibilityNo cancel feeOn-time62%
DeltaCheapest$580Average$808FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$602Average$837FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$632Average$820FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$644Average$838FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$648Average$874FlexibilityNo cancel feeOn-time69%

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