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Flights operate between Seattle (SEA) and London (LHR).

1 airline operates this route with 2-4 flights daily flights.

Average flight time is 9h 15m - 10h 50m.

Route distance is 4812 miles (7743 km).

Route Distance

4812 miles (7743 km)

Average Duration

9h 15m - 10h 50m

Airlines Operating This Route

Delta Air Lines

Flight Frequency

Daily Flights

2-4 flights

Weekly Flights

21

Typical Departure Time Ranges

Earliest Departure

16:48

Latest Departure

16:48

Route Intelligence Dashboard

Overall Connectivity Score

35

Moderate
Route Diversity

1

Direct Routes

Delta Air Lines serves 1 destination from SEA

Weekly Frequency

7

Weekly Flights

Trend: Stable

Top 1 Most Frequent Routes - Details
RouteWeekly FlightsDurationDistanceReliability
SEALondon (LHR) (LHR)
7/week
9h 15m - 10h 50m4,812 km
Seasonal
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Flight Schedule & Filters

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Delta Air Lines flights from SeaTac (SEA) to London (LHR)

Delta Air Lines operates scheduled nonstop flights between SeaTac (SEA) and London (LHR). Delta Air Lines operates 2-4 flights daily flights on this route.Flight Duration: 9h 15m - 10h 50m (average flight time)Distance: 4812 miles (7743 km) (air miles between airports)Daily Flights: 2-4 flights (scheduled departures per day)

SEA
SeaTac (SEA)

US

LHR
London (LHR)

GB

FLIGHT TIME

9h 15m - 10h 50m

FLIGHT DISTANCE

4812 miles (7743 km)
Flight time
9h 42m - 9h 42m
Earliest flight
16:48
Last flight
16:48
Distance
4812 miles (7743 km)
Cheapest month
March
Airlines
1 (Show)
Flights per week
21

Delta Air Lines Terminal Information & Contact

Departure Terminal - SeaTac (SEA)

Terminal: 1

Phone: 1-800-123-6645

Location: 1, Seattle, US

Arrival Terminal - London (LHR)

Terminal: 4

Phone: 1-800-123-6645

Location: 4, London, GB

Delta Air Lines Flight Schedule from SeaTac (SEA) to London (LHR)

FlightAirlineDepartureArrivalAircraft

DL20

Delta Air Lines

Delta Air Lines

16:48

10:30:00

Airbus A330-200

Delta Air Lines Monthly Flight Calendar

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View all 3 flights from SeaTac (SEA) to London (LHR) operated by 3 airlines

Delta Air Lines Terminal Information

Departure Terminal at SeaTac (SEA):

• Terminal : Delta Air Lines operates from this terminal

Terminal 1:

Delta Air Lines Terminal Phone: 1-800-123-6645

Arrival Terminal at London (LHR):

Terminal 4:

Delta Air Lines Terminal Phone: 1-800-123-6645

Delta Air Lines Contact Information and Customer Services

Delta Air Lines Address

1030 Delta Boulevard
Atlanta, Georgia 30354-1989, United States

Customer Service Phone

+1 800 221 12 12

Official Website

delta.com

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Wikipedia

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Frequently Asked Questions

How many Delta Air Lines flights operate from Seattle (SEA) to London (LHR)?

Delta Air Lines operates 1 flight from Seattle (SEA) to London (LHR).

What city does London (LHR) airport serve?

London (LHR) airport serves London, GB.

How long is the Delta Air Lines flight from Seattle (SEA) to London (LHR)?

The flight duration is approximately 9h 15m - 10h 50m.

What is the distance from Seattle (SEA) to London (LHR)?

The distance is 4812 miles (7743 km).

What aircraft does Delta Air Lines use on this route?

Delta Air Lines uses Airbus A330-200 on this route.

Which other airlines operate on this route?

2 other airlines operate on this route: British Airways, Virgin Atlantic.

Which terminal does Delta Air Lines use at Seattle (SEA)?

Delta Air Lines flights from Seattle (SEA) depart from Terminal 1. Terminal 1 phone: 1-800-123-6645.

View all Delta Air Lines flights to Seattle (SEA) →

Popular Delta Air Lines routes from Seattle include multiple destinations.

Route data verified regularly by Triposia Travel Research Team.

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