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

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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.
✈ Airtreks: Yes 🎒 Expert Vagabond: Yes 🏛 UK Government: Yes

Onward Flights from London 🇬🇧 to Seattle 🇺🇸

KLM Royal Dutch Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
10h 25m
Select Onward Flight $10 Select flight
Airfare price: $1,446.32 $10.00
United Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
12h 46m 1 stop
YVR 🇨🇦
Select Onward Flight $10 Select flight
Airfare price: $777.70 $10.00
WestJet + Alaska Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
13h 7m 1 stop
YYC 🇨🇦
Select Onward Flight $10 Select flight
Airfare price: $618.12 $10.00
Lufthansa
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
13h 40m 1 stop
MUC 🇩🇪
Select Onward Flight $10 Select flight
Airfare price: $751.44 $10.00
Lufthansa
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
14h 45m 1 stop
MUC 🇩🇪
Select Onward Flight $10 Select flight
Airfare price: $751.44 $10.00
United Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
14h 45m 1 stop
MUC 🇩🇪
Select Onward Flight $10 Select flight
Airfare price: $760.53 $10.00
Austrian Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
16h 38m 1 stop
ORD 🇺🇸
Select Onward Flight $10 Select flight
Airfare price: $769.62 $10.00
WestJet + Alaska Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
24h 12m 3 stops
YYC 🇨🇦
YEG 🇨🇦
YVR 🇨🇦
Select Onward Flight $10 Select flight
Airfare price: $441.37 $10.00
WestJet + Alaska Airlines
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
24h 12m 2 stops
YYC 🇨🇦
YVR 🇨🇦
Select Onward Flight $10 Select flight
Airfare price: $450.46 $10.00
WestJet
London 🇬🇧 LHR ✈ Seattle 🇺🇸 SEA
31h 29m 1 stop
YYC 🇨🇦
Select Onward Flight $10 Select flight
Airfare price: $382.79 $10.00
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