Delta Flight 3 Deals & Information (2025/2026)

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Delta Flight 3 Route Deals From $384

The cheapest prices found with in the last 7 days for return flights were $566 and $384 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 15 - Fri, Aug 22
JFK
John F. Kennedy Intl.
LHR
Heathrow
$566 Roundtrip, just found
$566
Roundtrip
just found
Select Delta flight, departing Fri, Aug 15 from John F. Kennedy Intl. to Heathrow, returning Fri, Aug 22, priced at $566 just found

Frequently asked questions

What route does flight number DL3 take?
You’ll be arriving into Heathrow Airport (LHR) from JFK Airport if you’ve booked a ticket on flight number DL3. You’ll be airborne for 7 hours and 10 minutes on this trip. It’s also good to note that the service conveniently travels non-stop.
How often is DL3 on time?
Delta flight number DL3 takes off as scheduled on 72% of its trips. It’s wise to leave a bit of extra space in your itinerary if you’re boarding this plane. If there is a set back, the normal wait time is about 37 minutes. This service has a star rating of 0.5.
What terminal does DL3 fly out of?
Passengers on flight number DL3 from John F. Kennedy Intl. Airport (JFK) to Heathrow Airport generally leave from Terminal 4.
What kind of plane is on flight number DL3?
Expect to board a Boeing 767-400 if your flight number is DL3. Nearly all services from New York, NY Airport (JFK-John F. Kennedy Intl.) to London Airport (LHR-Heathrow) use this aircraft type.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your DL3 flight with Travelocity, please visit our Customer Service Portal.