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Onward Tickets from Barcelona to St Louis

Airlines flying to Spain often ask to see an onward ticket, these are the 10 best onward flights to use as proof of leaving Barcelona to St Louis

Select a flight with another airline to a different country

BCN → St. Louis

Fri 13 Nov 2026 6:00am

33h 46m 3 stops CDG YYC ATL

Select Onward Flight $5 Select flight

Airfare ~~$866.58~~ $5.00

Frontier Airlines

BCN → St. Louis

Fri 13 Nov 2026 1:35pm

35h 39m 3 stops LIS MIA DEN

Select Onward Flight $5 Select flight

Airfare ~~$864.56~~ $5.00

Frontier Airlines

BCN → St. Louis

Fri 13 Nov 2026 1:35pm

39h 41m 3 stops LIS EWR MCO

Select Onward Flight $5 Select flight

Airfare ~~$768.61~~ $5.00

Frontier Airlines+

Transavia France

BCN → St. Louis

Fri 13 Nov 2026 1:20pm

39h 56m 3 stops ORY EWR MCO

Select Onward Flight $5 Select flight

Airfare ~~$758.51~~ $5.00

Frontier Airlines+

BCN → St. Louis

Fri 13 Nov 2026 11:55am

41h 21m 3 stops ORY EWR MCO

Select Onward Flight $5 Select flight

Airfare ~~$744.37~~ $5.00

Frontier Airlines

BCN → St. Louis

Fri 13 Nov 2026 9:55am

43h 21m 3 stops LIS EWR MCO

Select Onward Flight $5 Select flight

Airfare ~~$620.14~~ $5.00

Frontier Airlines

BCN → St. Louis

Fri 13 Nov 2026 5:45am

43h 29m 3 stops LIS SFO DEN

Select Onward Flight $5 Select flight

Airfare ~~$652.46~~ $5.00

Wizz Air Malta+

Norse Atlantic UK+

Frontier Airlines

BCN → St. Louis

Fri 13 Nov 2026 9:30pm

55h 46m 3 stops VCE LGW MCO

Select Onward Flight $5 Select flight

Airfare ~~$662.56~~ $5.00

Norse Atlantic UK+

Frontier Airlines

BCN → St. Louis

Fri 13 Nov 2026 8:10pm

57h 6m 3 stops LIS LGW MCO

Select Onward Flight $5 Select flight

Airfare ~~$662.56~~ $5.00

Norse Atlantic UK+

Frontier Airlines+

BCN → St. Louis

Fri 13 Nov 2026 7:05pm

58h 11m 3 stops MXP LGW MCO

Select Onward Flight $5 Select flight

Airfare ~~$625.19~~ $5.00

Do I need an onward ticket to enter Spain?

At Spanish border control, you may need to show:

a return or onward ticket

UK Foreign, Commonwealth & Development Office August 2026

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

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

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

“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.”