Launch airlines
AirAsia
AirAsia can refuse entry to passengers who cannot show an onward or return ticket, so carry proof of your travel out before you fly.
Cebu Pacific
Cebu Pacific says all passengers entering the Philippines, and Filipino passengers departing the Philippines, must complete the PH eTravel and Customs Declaration within 72 hours before departure or arrival.
Jetstar
Jetstar checks your travel documents and ID at check-in, and you may not be allowed to travel without them. It's your responsibility to confirm with the relevant embassy or consulate whether you also need a visa, health document, or evidence of onward travel, so sort your documents out before you fly.
Scoot
Scoot can refuse to carry you and your baggage if you do not appear to have valid travel documents, and it is your responsibility to ensure you have all required visas and travel documentation before you fly.
VietJet Air
VietJet Air requires passengers to prepare valid travel documents that comply with the entry, exit, and residency regulations for their trip, and states that travel documents are verified against the immigration requirements of the destination.
Air Arabia
Air Arabia checks your passport and travel documents at security and again before you board, and says it is your responsibility to find out whether you need a visa or evidence of onward travel.
JetBlue
If you are not a national of the country you are flying to, JetBlue may ask you to show proof of onward or return travel. You are also responsible for having a valid passport and any required visas.
flydubai
flydubai says it's your responsibility to hold the correct documents for your final destination and any transit points, and it won't let you travel without them.
Spirit Airlines
On international Spirit Airlines flights, you must show a valid passport and any documents the destination country requires at check-in, or Spirit can deny boarding.
Condor
Condor requires you to show your passport, visas, and any other documents your destination needs before you fly, and can deny boarding if your paperwork is incomplete.
Volaris
Volaris requires you to show the travel and entry documents your destination asks for before you can board, so make sure yours are in order for the whole trip.
easyJet
easyJet asks you to meet the passport, visa and entry requirements for your destination, and to carry your physical passport or ID card when flying internationally.
Sun Country Airlines
Sun Country Airlines expects every passenger crossing an international border to carry all required travel documents and to meet the entry rules of each country on their trip.
Wizz Air
Wizz Air asks you to present valid travel documents for every passenger at the boarding gate, and says it won't take responsibility if you're denied boarding for missing them.
flynas
flynas can refuse to fly you if your travel documents do not appear to be in order, and no refund or replacement flight is given, so carry valid documents for your destination.
Breeze Airways
Breeze Airways requires that you carry your passport, visa, and any other required travel documents, and may refuse to transport you if you do not have them.
Frontier Airlines
Frontier Airlines checks your passport when you check in for an international flight, and won't let you board if your documentation isn't adequate.
IndiGo
IndiGo can deny boarding if the name or title on your ticket does not match the name on your photo ID, and notes that some travelers transiting with checked baggage need a valid India visa.
Jet2.com
Jet2.com asks you to check your destination's entry requirements before you fly, since these can depend on your nationality, passport type, and where you're heading.
Pegasus Airlines
Pegasus Airlines requires a valid passport and any needed visa for international flights, with extra passport-validity rules for some travelers.
Garuda Indonesia
Garuda Indonesia checks passports and visas at the international counter and enforces Indonesia's onward or return ticket expectation before boarding.
Lion Air
Lion Air's conditions of carriage require a valid passport, visa, and a return or onward ticket for international travel, and allow boarding to be refused without them.
Air France
Air France verifies travel documents at check-in and boarding and can refuse passengers who do not meet a destination's entry rules, including onward-travel proof where it is required.
Emirates
Emirates verifies travel documents strictly at check-in and can refuse boarding to passengers who appear inadmissible, including where a destination requires onward or return travel.
Arajet
Arajet places full document responsibility on passengers and lists the lack of an onward or return ticket among reasons a traveler can be refused, across its Caribbean and Latin American network.
Iberia
Iberia checks passports, visas, and entry documents at check-in and the gate, and can deny boarding to passengers without the documents a destination requires, including onward-travel proof.
Ryanair
Ryanair runs unusually strict document checks, including a separate visa and document verification for non-EU passengers before security, and refuses anyone without valid travel documents.
EgyptAir
EgyptAir verifies passports and visas at check-in and can refuse any passenger whose travel documents are not in order, applying onward-travel checks where the destination requires them.
Royal Air Maroc
Royal Air Maroc checks passports and visas before boarding and states plainly that some countries require a return or onward ticket.
LATAM Airlines
LATAM verifies passports and visas at check-in and boarding and requires passengers to meet destination entry rules, including onward travel where a country demands it.
Aeromexico
Aeromexico checks passports and visas at check-in and enforces Mexico's return or onward ticket rule for foreign visitors, denying boarding when proof is missing.
Turkish Airlines
Turkish Airlines verifies passports and visas before boarding and publishes guidance on why it checks documents, enforcing destination rules including onward travel where required.