What is the cheapest month to fly from Phnom Penh to Ulaanbaatar?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Phnom Penh (KTI) to Ulaanbaatar (UBN), with fares starting from $455.

What is the lowest current fare from KTI to UBN?

The lowest currently-listed fare from Phnom Penh (KTI) to Ulaanbaatar (UBN) is $455 on 2026-09-21.

Is there a direct flight from Phnom Penh to Ulaanbaatar?

There is currently no non-stop service from KTI to UBN. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Phnom Penh to Ulaanbaatar

Cheapest current fares: $455 in September 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Phnom Penh (KTI) to Ulaanbaatar (UBN). Refreshed daily.

Phnom Penh (KTI) → Ulaanbaatar (UBN)

September 2026 $455

Frequently asked questions

What is the cheapest month to fly from Phnom Penh to Ulaanbaatar?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Phnom Penh (KTI) to Ulaanbaatar (UBN), with fares starting from $455.
What is the lowest current fare from KTI to UBN?

The lowest currently-listed fare from Phnom Penh (KTI) to Ulaanbaatar (UBN) is $455 on 2026-09-21.
Is there a direct flight from Phnom Penh to Ulaanbaatar?

There is currently no non-stop service from KTI to UBN. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.