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Ulaanbaatar to Tokyo flights in April 2027 from $289 UBN → HND, NRT

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

For departures in April 2027, the cheapest return found recently is $517 with MIAT Mongolian Airlines, 11 Apr 2027 – 24 Apr 2027, found 2 days ago. The cheapest one-way found recently is $289 with MIAT Mongolian Airlines, 13 Apr 2027, found 4 days ago.

Return

In April 2027, the cheapest return fare on each of 12 departure dates is usually $517 to $535. 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, 3 are usually cheaper than April 2027.

Cheapest return found recently

$517

11 Apr 2027 – 24 Apr 2027 · MIAT Mongolian Airlines

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$504

12 Apr 2027 – 22 Apr 2027 · Air China

Chinggis Khaan International Airport (UBN) → Haneda Airport (HND)

out 1 stop, back 1 stop

found 3 days ago

See prices for these datesCheck today's price

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The cheapest dates in April 2027

DatesFromAirlineStopsFound
12 Apr 2027 – 22 Apr 2027$504Air Chinaout 1 stop, back 1 stopfound 3 days agoSee prices for these dates
1 Apr 2027 – 15 Apr 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Apr 2027 – 13 Apr 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
8 Apr 2027 – 20 Apr 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
11 Apr 2027 – 24 Apr 2027$517MIAT Mongolian Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

12 departure dates

1 Apr 2027 – 15 Apr 2027: $517, found 5 days ago2 Apr 2027 – 13 Apr 2027: $567, found 6 days ago3 Apr 2027 – 13 Apr 2027: $519, found 2 days ago4 Apr 2027 – 11 Apr 2027: $567, found 6 days ago5 Apr 2027 – 13 Apr 2027: $517, found 4 days ago8 Apr 2027 – 20 Apr 2027: $517, found 5 days ago11 Apr 2027 – 24 Apr 2027: $517, found 2 days ago12 Apr 2027 – 22 Apr 2027: $504, found 3 days ago13 Apr 2027 – 27 Apr 2027: $517, found 2 days ago15 Apr 2027 – 2 May 2027: $520, found 2 days ago19 Apr 2027 – 2 May 2027: $572, found 2 days ago24 Apr 2027 – 5 May 2027: $524, found 3 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Apr 2027 – 15 Apr 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
2 Apr 2027 – 13 Apr 2027$567Aero MongoliaChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 6 days agoSee prices for these dates
3 Apr 2027 – 13 Apr 2027$519MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
4 Apr 2027 – 11 Apr 2027$567Aero MongoliaChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 6 days agoSee prices for these dates
5 Apr 2027 – 13 Apr 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 4 days agoSee prices for these dates
8 Apr 2027 – 20 Apr 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
11 Apr 2027 – 24 Apr 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
12 Apr 2027 – 22 Apr 2027$504Air ChinaChinggis Khaan International Airport (UBN) → Haneda Airport (HND)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
13 Apr 2027 – 27 Apr 2027$517MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
15 Apr 2027 – 2 May 2027$520MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
19 Apr 2027 – 2 May 2027$572MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Apr 2027 – 5 May 2027$524MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)out nonstop, back nonstopfound 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 dates
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 datesEvery date in October 2027

One-way

We hold one-way fares on only 2 departure dates in April 2027, too few to say what one usually costs.

Cheapest one-way found recently

$289

13 Apr 2027 · MIAT Mongolian Airlines

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

nonstop

found 4 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 April 2027

DatesFromAirlineStopsFound
13 Apr 2027$289MIAT Mongolian Airlinesnonstopfound 4 days agoOpen this trip
2 Apr 2027$306Aero Mongolianonstopfound 4 days agoOpen this trip

Every date we hold

2 departure dates

2 Apr 2027: $306, found 4 days ago13 Apr 2027: $289, found 4 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Apr 2027$306Aero MongoliaChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 4 days agoOpen this trip
13 Apr 2027$289MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Narita International Airport (NRT)nonstopfound 4 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 trip
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 tripEvery date in October 2027

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