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Ulaanbaatar to Tokyo flights in October 2027 from $287 UBN → HND, NRT

Chinggis Khaan International Airport (UBN) → Haneda Airport (HND), Narita International Airport (NRT)

For departures in October 2027, the cheapest return found recently is $634 with Korean Air, 21 Oct 2027 – 3 Nov 2027, found 2 days ago. The cheapest one-way found recently is $287 with MIAT Mongolian Airlines, 18 Oct 2027, found 5 days ago.

Return

In October 2027, the cheapest return fare on each of 11 departure dates is usually $517 to $580. Across all 102 departure dates we hold on this route, it is usually $517 to $566. Of the 10 months with enough return fares to compare, 4 are usually cheaper than October 2027.

Cheapest return found recently

$634

21 Oct 2027 – 3 Nov 2027 · Korean Air

Chinggis Khaan International Airport (UBN) → Narita International Airport (NRT)

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$517

13 Oct 2027 – 22 Oct 2027 · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Narita International Airport (NRT)

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in October 2027

DatesFromAirlineStopsFound
13 Oct 2027 – 22 Oct 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
14 Oct 2027 – 23 Oct 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
15 Oct 2027 – 24 Oct 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
23 Oct 2027 – 24 Oct 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
18 Oct 2027 – 27 Oct 2027$518MIAT Mongolian Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

11 departure dates

13 Oct 2027 – 22 Oct 2027: $517, found 5 days ago14 Oct 2027 – 23 Oct 2027: $517, found 5 days ago15 Oct 2027 – 24 Oct 2027: $517, found 5 days ago16 Oct 2027 – 29 Oct 2027: $526, found 3 days ago18 Oct 2027 – 27 Oct 2027: $518, found 4 days ago19 Oct 2027 – 28 Oct 2027: $519, found 7 days ago20 Oct 2027 – 30 Oct 2027: $520, found 7 days ago21 Oct 2027 – 3 Nov 2027: $634, found 2 days ago22 Oct 2027 – 4 Nov 2027: $634, found 2 days ago23 Oct 2027 – 24 Oct 2027: $517, found 5 days ago24 Oct 2027 – 6 Nov 2027: $698, found 3 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Oct 2027 – 22 Oct 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
14 Oct 2027 – 23 Oct 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
15 Oct 2027 – 24 Oct 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Oct 2027 – 29 Oct 2027$526MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Oct 2027 – 27 Oct 2027$518MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Oct 2027 – 28 Oct 2027$519MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 7 days agoSee prices for these dates
20 Oct 2027 – 30 Oct 2027$520MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 7 days agoSee prices for these dates
21 Oct 2027 – 3 Nov 2027$634Korean AirChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
22 Oct 2027 – 4 Nov 2027$634Korean AirChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
23 Oct 2027 – 24 Oct 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
24 Oct 2027 – 6 Nov 2027$698Korean AirChinggis Khaan International Airport (UBN) → Haneda Airport (HND)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $418.

November 2026From $5478 departure dates27 Nov – 4 Dec · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $418Cheapest seen13 departure dates1 Dec – 15 Dec · found 7 days agoSee prices for these datesEvery date in December 2026
January 2027From $50414 departure dates26 Jan 2027 – 5 Feb 2027 · found 7 days agoSee prices for these datesEvery date in January 2027
February 2027From $5079 departure dates1 Feb 2027 – 8 Feb 2027 · found 4 days agoSee prices for these datesEvery date in February 2027
March 2027From $49417 departure dates23 Mar 2027 – 2 Apr 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $50412 departure dates12 Apr 2027 – 22 Apr 2027 · found 3 days agoSee prices for these datesEvery date in April 2027
May 2027From $5007 departure dates1 May 2027 – 31 May 2027 · found 7 days agoSee prices for these datesEvery date in May 2027
June 2027From $5213 departure dates22 Jun 2027 – 1 Jul 2027 · found 2 days agoSee prices for these dates
July 2027From $5192 departure dates14 Jul 2027 – 28 Jul 2027 · found 2 days agoSee prices for these dates
August 2027From $5164 departure dates1 Aug 2027 – 14 Aug 2027 · found 5 days agoSee prices for these dates
September 2027From $5172 departure dates20 Sept 2027 – 26 Sept 2027 · found 6 days agoSee prices for these dates
October 2027From $51711 departure dates13 Oct 2027 – 22 Oct 2027 · found 5 days agoSee prices for these dates

One-way

In October 2027, the cheapest one-way fare on each of 7 departure dates is usually $289 to $289. Across all 34 departure dates we hold on this route, it is usually $287 to $289. Of the 5 months with enough one-way fares to compare, October 2027 is usually the most expensive.

Cheapest one-way found recently

$287

18 Oct 2027 · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Narita International Airport (NRT)

nonstop

found 5 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in October 2027

DatesFromAirlineStopsFound
18 Oct 2027$287MIAT Mongolian Airlinesnonstopfound 5 days agoOpen this trip
19 Oct 2027$289MIAT Mongolian Airlinesnonstopfound 7 days agoOpen this trip
20 Oct 2027$289MIAT Mongolian Airlinesnonstopfound 7 days agoOpen this trip
21 Oct 2027$289MIAT Mongolian Airlinesnonstopfound 7 days agoOpen this trip
22 Oct 2027$289MIAT Mongolian Airlinesnonstopfound 7 days agoOpen this trip

Every date we hold

7 departure dates

18 Oct 2027: $287, found 5 days ago19 Oct 2027: $289, found 7 days ago20 Oct 2027: $289, found 7 days ago21 Oct 2027: $289, found 7 days ago22 Oct 2027: $289, found 7 days ago23 Oct 2027: $289, found 7 days ago24 Oct 2027: $289, found 7 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
18 Oct 2027$287MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 5 days agoOpen this trip
19 Oct 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 7 days agoOpen this trip
20 Oct 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 7 days agoOpen this trip
21 Oct 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 7 days agoOpen this trip
22 Oct 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 7 days agoOpen this trip
23 Oct 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 7 days agoOpen this trip
24 Oct 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 7 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $244.

November 2026From $2462 departure dates27 Nov · found 7 days agoOpen this tripEvery date in November 2026
December 2026From $244Cheapest seen4 departure dates5 Dec · found 2 days agoOpen this tripEvery date in December 2026
January 2027From $2981 departure date1 Jan 2027 · found 7 days agoOpen this tripEvery date in January 2027
February 2027From $2862 departure dates10 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $2855 departure dates28 Mar 2027 · found 5 days agoOpen this tripEvery date in March 2027
April 2027From $2892 departure dates13 Apr 2027 · found 4 days agoOpen this tripEvery date in April 2027
May 2027From $2885 departure dates7 May 2027 · found 2 days agoOpen this tripEvery date in May 2027
June 2027From $2881 departure date4 Jun 2027 · found 2 days agoOpen this trip
August 2027From $2892 departure dates17 Aug 2027 · found 2 days agoOpen this trip
September 2027From $2873 departure dates20 Sept 2027 · found 6 days agoOpen this trip
October 2027From $2877 departure dates18 Oct 2027 · found 5 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work