国境地が閉鎖されたバンコクからプノンペンへ：アメリカ人のためのフライトルート
陸路のバンコク～プノンペン線は不可です—2025年6月からタイ・カンボジア間の7つの国境地すべてが閉鎖されています。解決策はシンプルです：1時間のフライト。これがルート、航空会社、そしてアメリカ人がテクモ・インターナショナル（KTI）に円滑に着陸する方法です。
How do Americans get from Bangkok to Phnom Penh now that the land border is closed?
You fly. All seven Thailand-Cambodia land borders have been closed since June 2025, so the old overland bus and minivan routes from Bangkok to Phnom Penh are not available in 2026. The replacement is a direct flight of roughly one hour, with multiple daily departures from Bangkok to Techo International Airport (KTI), the new field that replaced the old Phnom Penh airport (PNH) on 9 September 2025. Before you go you need an approved Cambodia eVisa, which arrives as a printable PDF by email in 3–5 days, and you file the e-Arrival Card within the 7 days before you land. Fly, sort the eVisa and the e-Arrival Card in advance, and the Bangkok-to-Phnom-Penh leg becomes one of the easiest parts of the trip.
主なポイント
- All seven Thailand-Cambodia land borders have been closed since June 2025, so the old overland bus from Bangkok to Phnom Penh is not an option in 2026 — you fly.
- The flight is short: roughly one hour gate to gate, with multiple daily departures from Bangkok (BKK and DMK) to Techo International (KTI) near Phnom Penh.
- KTI replaced the old Phnom Penh airport (PNH) on 9 September 2025, so book and check your arrival airport as Techo International, not the retired field.
- Your Cambodia eVisa is required whether you ever planned to come by land or not — approved in 3–5 days and delivered as a printable PDF by email.
- Every air arrival also files the e-Arrival Card within the 7 days before landing — file a verified card for $20 USD, checked end-to-end before it reaches Cambodian Immigration.
Why the bus is gone and the flight is the answer in 2026
If you are planning a Bangkok-then-Cambodia trip and you remember the cheap overland run between the two capitals, set that memory aside. All seven Thailand-Cambodia land borders have been closed since June 2025, and they stayed shut through 2026. The bus, the minivan, the train-then-tuk-tuk hop across at Poipet — none of it is on the table right now. For Americans the clean answer is the one nobody minds taking once they see the numbers: a flight of about an hour from Bangkok to Phnom Penh.
This is less of a downgrade than it sounds. The overland Bangkok-to-Phnom-Penh trip was never the breezy budget legend it is remembered as — it was a long day of bus transfers, a notoriously slow border post, and the scam-heavy stretch around Poipet that every guidebook warned about. Swapping all of that for a short hop into a brand-new airport is, frankly, the upgrade most travelers would have chosen anyway. The only thing you lose is the bragging rights of the overland crossing.
This guide covers the flight route end to end: the airports, the carriers, the timing, and exactly what Americans need to land clean at Techo International. If your trip ends in Siem Reap rather than Phnom Penh, the logic is the same and our guide to flying Bangkok to Siem Reap instead of the land border walks that version. And if you want the full picture of why the borders shut and what it means for your itinerary, the explainer on the Thailand-Cambodia land borders being closed lays it all out.
The Bangkok to Phnom Penh flight: one hour, two airports
The route is short and well served. Phnom Penh sits roughly 530 kilometers from Bangkok, which translates to a scheduled flight time of about an hour gate to gate — less time in the air than the taxi ride to the airport on either end. Multiple carriers fly it daily, so you are choosing a departure time, not hunting for a seat.
Bangkok has two airports, and it matters which one your flight leaves from. Suvarnabhumi (BKK) is the big international hub southeast of the city; Don Mueang (DMK) is the older airport to the north that the low-cost carriers favor. Full-service flights to Phnom Penh tend to run out of BKK, while budget fares often depart DMK. If you are connecting from a long-haul flight into BKK, double-check whether your onward Cambodia leg leaves from the same airport — a same-day BKK-to-DMK transfer is a real cross-city slog in Bangkok traffic, and you want to know about it before you book, not after.
On the Cambodia side you land at Techo International (KTI), the new airport that opened southeast of Phnom Penh and replaced the old in-city field. The flight crosses one time zone in name only — Thailand and Cambodia run the same clock, so the local arrival time is simply your departure time plus the flight. No mental math, no jet lag on this leg, and no overnight bus to recover from.
よくある質問
Can I still travel overland from Bangkok to Phnom Penh in 2026?
No. All seven Thailand-Cambodia land borders have been closed since June 2025, so the old overland bus and minivan routes from Bangkok to Phnom Penh are not running. The replacement is a direct flight of roughly one hour, with multiple daily departures from Bangkok to Techo International (KTI). If Thailand is part of your trip, you fly between the two countries.
How long is the flight from Bangkok to Phnom Penh?
About one hour gate to gate — Phnom Penh sits roughly 530 kilometers from Bangkok. Thailand and Cambodia share the same time zone, so your local arrival time is simply your departure time plus the flight. There is no jet lag on this leg and no overnight bus to recover from.
Which Bangkok airport do flights to Phnom Penh leave from?
Both. Full-service flights tend to run out of Suvarnabhumi (BKK), while low-cost carriers often depart Don Mueang (DMK). The two airports are on opposite sides of Bangkok, so if you are connecting from a long-haul flight, confirm whether your Cambodia leg leaves from the same airport — a same-day BKK-to-DMK transfer is a real cross-city trip in Bangkok traffic.
What airport do I land at in Phnom Penh?
Techo International (KTI), which replaced the old Phnom Penh airport (PNH) on 9 September 2025. KTI is the larger new field built farther southeast of the city center. If your last trip predates September 2025, the airport is genuinely different — different building, longer transfer into town, and arrival advice written for the old PNH no longer applies.
Do I still need a Cambodia eVisa if I fly instead of crossing by land?
Yes. The eVisa is your permission to enter Cambodia, and the entry mode does not change that. As a US citizen you apply online, it is approved in 3–5 days, and it arrives as a printable PDF by email. It is valid for 3 months from issue, allows a 30-day stay, and is single entry. Lock it in before you book non-refundable flights.
Do I have to file the e-Arrival Card for a flight into Phnom Penh?
Yes, with no exceptions. Every air arrival into Cambodia files the e-Arrival Card — 14 fields across three sections, submitted within the 7 days before you land. It is separate from your eVisa and does not replace it. The most common reason a US-filed card gets flagged is the date format, since the form uses a day-month-year layout in places and US travelers default to month-day-year.
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