カンボジアの電子ビザは到着ビザより安いのか？米国旅行者の費用チェック

The hidden cost of arriving without a visa sorted

The cost that sinks the visa-on-arrival math never appears on a fee schedule, because it lands before you ever reach Cambodia. It is the gate agent at LAX, SFO, or JFK who asks to see your visa before they let you board, and the morning that falls apart if you do not have one.

Airlines are liable for carrying passengers who get turned away at the destination, so check-in and gate staff are trained to confirm you hold the right entry document before you fly. With an approved eVisa printout, that conversation lasts five seconds. Without one, you are arguing the fine print of Cambodian arrival policy with someone who answers to their own compliance desk, not yours — and if they say no, you do not board. A re-booked long-haul ticket, a missed connection in your layover city, an extra night in an airport hotel: that is the real downside number, and it dwarfs any visa fee.

Then there is the arrival itself. Even when an on-arrival route is available, it means landing after a long flight and joining a separate queue: paperwork to fill out by hand, a passport photo you may have to buy from a kiosk, exact payment in a form the desk will accept, and the wait while the counter processes everyone ahead of you. With an eVisa you walk past all of it and head straight to the immigration line with your printout in hand.

This is the same reasoning behind why we tell US travelers to settle the visa before they fly rather than gamble on the desk. Our full eVisa vs visa on arrival comparison for Americans walks through the boarding-denial risk in more detail, and the eligible entry points for US citizens guide shows exactly where each route is even on the table.

The route that changed the math in 2025

For years, the cheapest-seeming Cambodia entry for budget travelers was the overland one: bus in from Thailand, sort a visa at the land crossing, keep moving. That route is the reason "visa on arrival" still lives rent-free in so many trip plans. It is also the reason the question is out of date.

All seven Thailand-Cambodia land borders have been closed since June 2025. The overland crossing that anchored the cheap-entry story simply is not an option right now, which means for most Americans the practical choice is no longer "eVisa or land-border visa." It is "eVisa, sorted at home, or a scramble after you land at the airport." That collapses a lot of the supposed savings, because the route that made on-arrival feel thrifty is the one that closed.

Air travel also moved. Phnom Penh's main gateway is now Techo International Airport (KTI), which replaced the old PNH airport on 9 September 2025. If you are reading older forum advice about strolling up to a visa desk at the previous terminal, none of those specifics apply anymore — the airport, the layout, and the queues are different, and the only document you control fully before you arrive is the one you sorted online.

If your plan involved coming in from Bangkok by road, check the current status before you book anything: our guide on whether the Cambodia-Thailand land border is open lays out what is closed and what air routes replaced it. The short version is that an eVisa sorted before you fly is the only entry document you can fully lock in ahead of time, whichever Cambodian airport you choose.

When visa on arrival still looks tempting (and the honest tradeoff)

There are a couple of situations where an American genuinely reaches for visa on arrival, and they deserve a straight answer rather than a sales pitch. The first is the true last-minute trip — you found out yesterday you are flying tomorrow, and three business days feels like it does not fit. The second is the traveler who simply does not want to deal with anything before the airport.

On the timing: the 3-business-day window is faster than most people fear, and applying online still beats relying on a desk, because the airline question at your US gate does not care how soon you land. If you have any runway at all before departure, sorting the visa first removes the one variable you cannot control on the day. The on-arrival route only feels faster until the moment a gate agent asks for a document you do not have.

On the not-wanting-to-deal-with-it instinct: the honest tradeoff is that arriving without a visa moves the hassle to the worst possible time and place — after a long flight, jet-lagged, in a queue, with the meter running on your trip. An eVisa moves that same task to your couch, where a mistake costs you a free resubmission instead of a missed connection. The work is smaller and the stakes are lower when you do it at home.

So the tradeoff is real, but it almost never favors waiting. The few dollars an on-arrival route might save are wiped out the first time it costs you a re-booked flight, and at most US entry points the eVisa is simply the cleaner path. If you are still comparing the headline numbers, the Tourist eVisa price for US citizens lays out exactly what the $80 covers and why there is no cheaper tier hiding behind it.

米国旅行者にとっての結論

Strip it all back and the comparison is simple. On price, the eVisa and a visa on arrival sit close enough that a dollar or two was never the real decision. On everything that actually shapes your trip — boarding your US flight without a fight, skipping the arrival queue, knowing the route still exists, and fixing any mistake for free from home — the eVisa wins clearly, and at many entry points it is the only practical option you have.

Next steps and related reading for US citizens: apply for your Cambodia eVisa when you are ready to lodge, see the full Cambodia visa cost for Americans for the line-by-line breakdown, read the eVisa vs visa on arrival comparison for the boarding-risk detail, and use the eligible entry points for US citizens guide to confirm your airport before you book.