American Airlines (AA) from Seattle to London heathrow

Search for the cheapest American Airlines (AA) tickets from Seattle to London heathrow

Origin

Destination

Depart date

Return date

Adults

Children

Infants

Recently booked flights from Seattle to London heathrow

From
Seattle

To
London heathrow

Depart date
11.09.2026

Price
$355

Check prices

Average ticket prices for American Airlines (AA) flights from Seattle to London heathrow by month

Find the cheapest time to fly from Seattle to London heathrow .

August

September

November

December

July

American Airlines (AA) flight schedule Seattle to London heathrow

12:46 → 10:20

direct

American Airlines (AA) 2870

SEA — LHR

- - - - - S -

Select dates

12:50 → 10:20

direct

American Airlines (AA) 2870

SEA — LHR

M - - T - - -

Select dates

12:50 → 10:20

direct

American Airlines (AA) 2870

SEA — LHR

- - - - F - S

Select dates

12:46 → 10:20

1 stop

American Airlines (AA)

SEA — LHR

- - - - - S -

Select dates

12:50 → 10:20

1 stop

American Airlines (AA)

SEA — LHR

M - - T - - -

Select dates

12:50 → 10:20

1 stop

American Airlines (AA)

SEA — LHR

- - - - F - S

Select dates

American Airlines (AA) from Seattle to London heathrow

Recently booked flights from Seattle to London heathrow

Average ticket prices for American Airlines (AA) flights from Seattle to London heathrow by month

American Airlines (AA) flight schedule Seattle to London heathrow

Our Trusted Partners