← Search Flights

5+ onward tickets from United Kingdom sold

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

Alaska Airlines

LHR → Seattle

Thu 12 Nov 2026 2:45pm

Select Onward Flight $10 Select flight

Airfare ~~$668.62~~ $10.00

Alaska Airlines

LHR → Seattle

Thu 12 Nov 2026 2:45pm

Select Onward Flight $10 Select flight

Airfare ~~$1,274.62~~ $10.00

KLM Royal Dutch Airlines

LHR → Seattle

Thu 12 Nov 2026 12:20pm

Select Onward Flight $10 Select flight

Airfare ~~$1,291.79~~ $10.00

LHR → Seattle

Thu 12 Nov 2026 12:20pm

Select Onward Flight $10 Select flight

Airfare ~~$1,330.17~~ $10.00

LHR → Seattle

Thu 12 Nov 2026 12:15pm

12h 45m 1 stop KEF

Select Onward Flight $10 Select flight

Airfare ~~$799.92~~ $10.00

LHR → Seattle

Thu 12 Nov 2026 7:05am

17h 55m 2 stops OSL KEF

Select Onward Flight $10 Select flight

Airfare ~~$682.76~~ $10.00

LHR → Seattle

Thu 12 Nov 2026 6:40am

18h 20m 2 stops ARN KEF

Select Onward Flight $10 Select flight

Airfare ~~$589.84~~ $10.00

Alaska Airlines

LHR → Seattle

Thu 12 Nov 2026 2:50pm

24h 17m 2 stops YYC YVR

Select Onward Flight $10 Select flight

Airfare ~~$664.58~~ $10.00

Turkish Airlines

LHR → Seattle

Thu 12 Nov 2026 10:40pm

26h 30m 1 stop IST

Select Onward Flight $10 Select flight

Airfare ~~$1,169.58~~ $10.00

LHR → Seattle

Thu 12 Nov 2026 8:35pm

28h 25m 1 stop KEF

Select Onward Flight $10 Select flight

Airfare ~~$800.93~~ $10.00

Do I need an onward ticket to enter United Kingdom?

You must be able to show that:

you’ll leave the UK at the end of your visit

you’re able to pay for your return or onward journey (or have funding from someone else to pay for the journey)

UK Government (GOV.UK) October 2024

Expert Vagabond: Yes

UK Government (GOV.UK): Yes

Do I need an onward ticket?

Entry requirements for popular destinations

All countries →

Onward ticket required

“This could include proof that you have enough money for your stay (at least 10,000 Thai baht per person or 20,000 Thai baht per family) and evidence of onward or return travel.”

100+ sold

Onward ticket required

“To get a VOA, your passport must meet Indonesia’s entry requirements, and you must have proof of your onward or return journey.”

10+ sold

Onward ticket required

“You must be able to show an onward or return ticket valid within the 90-day period.”

10+ sold

Onward ticket required

“Most UK visitors are also expected to have proof of return or onward travel.”

10+ sold

Onward ticket required

“Applicants must arrive on a carrier that is signatory to a Visa Waiver Program Agreement and at the time of arrival must have a round trip ticket that will transport the traveler out of the United States to any other foreign port or place as long as the trip does not terminate in contiguous territory or an adjacent island; except that the round trip ticket may transport the traveler to contiguous territory or an adjacent island, if the traveler is a resident of the country of destination.”

10+ sold

Onward ticket required

“show a return or onward ticket”

10+ sold

Onward ticket required

“Possess a valid return ticket to their home country or an onward ticket to a next destination country.”

10+ sold

Onward ticket required

“Eligible travelers may enter visa-free through any of the 65 open exit-entry ports and make cross-province visits in the permitted areas in the 24 provincial-level regions for no more than 240 hours, provided that they hold valid international travel documents and onward tickets with confirmed seats and departure dates.”

10+ sold

Onward ticket required

“You must have an onward or return ticket.”

10+ sold

Onward ticket required

“A confirmed return air/sea ticket or air/sea ticket and a visa for the next destination, and a confirmed seat reservation for departure flight.”

Onward ticket required

Onward ticket required

“proof of a return or onward ticket”

Onward ticket required

“h. Carecer de boleto de retorno cuando corresponda.”

Onward ticket required

“roundtrip ticket;”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“a ticket to leave New Zealand at the end of your stay.”

Onward ticket required

“When arriving to our country, return flight ticket and proof of funds during your stay will be required by the inmigration authorities.”

Onward ticket required

“show proof of a return or onward journey”

Onward ticket required

“Short-Term travellers should have sufficient cash and proof of onward travel (tickets, visas), and ensure that you do not stay beyond your Visit Pass validity; which is different from Visa validity period.”

Onward ticket required

“a return or onward ticket”

Onward ticket required

“Canadian border officials may ask you to show a return or onward ticket and proof that you have sufficient funds to support yourself for the duration of your stay, even if you are staying with family or friends.”

Onward ticket required

“flight ticket for returning home”

Onward ticket required

“Entry will not be permitted on a one-way flight ticket, unless the person is in possession of a valid Temporary Work/Study Permit, Permanent Residence Permit or an appropriate visa.”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“Verify that your return ticket is in line with the passport’s expiration date.”

Onward ticket required

“You may also be asked to show a return ticket or proof of sufficient financial means.”

Onward ticket required

“Return Air Tickets”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“Return ticket is required for:”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“an onward or return ticket”

Onward ticket required

“You also need a return ticket or sufficient funds to purchase this.”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“At Cyprus border control, you may also need to: show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“At Polish border control, you may also need to: show a return or onward ticket”

Onward ticket required

“show a return or onward ticket”

Onward ticket required

“Border authorities may ask to produce for inspection a tourist travel voucher issued by a travel operator (notarized), a duly certified invitation letter from a natural person or a legal entity, a return flight ticket, a proof of paid hotel booking or a certificate verifying the private residence address during his/her visit, a proof of paid health insurance as well as a health insurance policy for the period of stay in the Republic of Serbia covering possible medical costs that cannot be less than EUR 20,000.”