SWF - LHR

Find cheap flights from Stewart Intl. to London Heathrow Airport

Search hundreds of travel sites at once for deals on flights to London Heathrow Airport. Bundle your flight + hotel and save!

SWF — LHR
Dec 4 — Dec 111
Round-trip
1 adult
Economy
0 bags
From?
To?
Sat 12/4
Sat 12/11

Good to know

Low season

February

High season

July

Average price round-trip

$545

Good deal round-trip

$802
Best time to beat the crowds with an average 33% drop in price.
Most popular time to fly with an average 32% increase in price.
(avg. price over the last 2 weeks)
or less

When to book flights from Stewart Intl. to London Heathrow Airport

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $802 or less round-trip.
  • High season is considered to be June, July and August. The cheapest month to fly is February.
  • Morning departure is around 61% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Stewart Intl. to London Heathrow Airport flights

COVID-19 information

Safety measures for airlines flying from Stewart Intl. to London Heathrow Airport

Airlines flying from Stewart Intl. to London Heathrow Airport have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Stewart Intl. to London Heathrow Airport

Mandatory masks

Masks required on board, masks provided on flights from Stewart Intl. to London Heathrow Airport

Social distancing seating

Middle seats unavailable to book on flights from Stewart Intl. to London Heathrow Airport

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Stewart Intl. to London Heathrow Airport

Flexible cancellations

Waiving of change fees. Search flexible flights from Stewart Intl. to London Heathrow Airport

Book cheap flights from Stewart Intl. to London Heathrow Airport

Recent one-way flight deals

12/23Thu
3 stopsMultiple Airlines
42h 09mSWF-LHR
$566
12/19Sun
3 stopsMultiple Airlines
42h 07mSWF-LHR
$577
12/23Thu
3 stopsMultiple Airlines
42h 09mSWF-LHR
$625
12/23Thu
3 stopsMultiple Airlines
42h 09mSWF-LHR
$626
12/17Fri
2 stopsMultiple Airlines
40h 32mSWF-LHR
$629
12/17Fri
2 stopsMultiple Airlines
40h 32mSWF-LHR
$644
12/17Fri
2 stopsMultiple Airlines
40h 32mSWF-LHR
$647
12/20Mon
3 stopsMultiple Airlines
42h 30mSWF-LHR
$671
12/20Mon
3 stopsMultiple Airlines
42h 30mSWF-LHR
$677
2/25Fri
3 stopsMultiple Airlines
27h 42mSWF-LHR
$799
2/25Fri
1 stopMultiple Airlines
16h 32mSWF-LHR
$807
12/17Fri
3 stopsMultiple Airlines
48h 02mSWF-LHR
$1,702
12/23Thu
3 stopsMultiple Airlines
39h 24mSWF-LHR
$1,861
1/9Sun
1 stopMultiple Airlines
30h 20mSWF-LHR
$4,953
12/17Fri
2 stopsMultiple Airlines
39h 47mSWF-LHR
$5,923

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Stewart Intl. - London Heathrow Airport Flights

Departure:

Stewart Intl. (SWF)United States

Destination:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

London Heathrow Airport - Stewart Intl.

Cabin classes:

$802

Browse origins: