Onward Tickets from London 🇬🇧 to Seattle 🇺🇸

Airlines flying to United Kingdom 🇬🇧 often ask to see an onward ticket, these are the 10 best onward flights to use as proof of leaving London 🇬🇧 to Seattle 🇺🇸

  • Select a flight with another airline to a different country

⭐ 5+ onward tickets from United Kingdom sold

Do I need an onward ticket to enter United Kingdom?

If you’re from a non-EEA country

  • Your carrier will give you a landing card - fill this in before you arrive at border control.
  • Your passport, landing card (and visa if you have one) will be checked.
  • You’ll usually be asked why you’re coming to the UK.
  • Keep documents that show the reason for your visit in your hand luggage, so you can show them if asked, for example your travel itinerary, work permit or university letter.

Onward Flights from London 🇬🇧 to Seattle 🇺🇸

Iberia Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
9h 45m
Select Onward Flight $10 Select flight
Airfare price: $2,900.72 $10.00
Iberia Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
9h 45m
Select Onward Flight $10 Select flight
Airfare price: $2,900.72 $10.00
Icelandair
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
12h 30m 1 stop
KEF 🇮🇸
Select Onward Flight $10 Select flight
Airfare price: $803.96 $10.00
Lufthansa + Condor
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
13h 30m 1 stop
FRA 🇩🇪
Select Onward Flight $10 Select flight
Airfare price: $826.18 $10.00
Lufthansa + Condor
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
14h 30m 1 stop
FRA 🇩🇪
Select Onward Flight $10 Select flight
Airfare price: $1,166.55 $10.00
Turkish Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
18h 10m 1 stop
IST 🇹🇷
Select Onward Flight $10 Select flight
Airfare price: $1,011.01 $10.00
TAP Portugal
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
22h 30m 2 stops
LIS 🇵🇹
EWR 🇺🇸
Select Onward Flight $10 Select flight
Airfare price: $1,124.13 $10.00
Icelandair
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
28h 15m 1 stop
KEF 🇮🇸
Select Onward Flight $10 Select flight
Airfare price: $805.98 $10.00
Air France + Norse Atlantic Airways + Frontier Airlines + Alaska Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
31h 3m 3 stops
CDG 🇫🇷
MIA 🇺🇸
DEN 🇺🇸
Select Onward Flight $10 Select flight
Airfare price: $542.37 $10.00
Vueling + Norse Atlantic Airways + Alaska Airlines + British Airways
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
36h 34m 3 stops
BCN 🇪🇸
FCO 🇮🇹
JFK 🇺🇸
Select Onward Flight $10 Select flight
Airfare price: $506.01 $10.00
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4.5 stars: Excellent