Cheap flights from Ulaanbaatar to Hanoi from $286 UBN → HAN
Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN)
The cheapest return found recently is $648 with Air China, 25 Dec – 30 Dec, found 2 days ago. The cheapest one-way found recently is $286 with MIAT Mongolian Airlines, 12 Apr 2027, found 3 days ago.
- Cheapest one-way found recently
- $286, found 3 days ago
- Cheapest return found recently
- $648, 25 Dec to 30 Dec
- Usual return price
- $643 to $712
- Cheapest month to fly
- January 2027, return fares from $629 found in the last 7 days
Return
The cheapest return fare on each of 7 departure dates is usually $643 to $712.
Cheapest return found recently
$648
25 Dec – 30 Dec · Air China
Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN)
Leaves 4:10 p.m. · Return leaves 4:30 a.m. · 21 h 40 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$648 25 Dec – 30 Decfound 2 days agoSee prices for these dates
$629 23 Jan 2027 – 15 Mar 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $499 to $654.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 7 departure dates from 23 Dec to 3 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 5-night return fares leaving within 3 days of 25 Dec to compare.
Every date we hold
7 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Dec – 12 Jan 2027 | $738 | Air China | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
| 25 Dec – 30 Dec | $648 | Air China | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 31 Dec – 10 Jan 2027 | $705 | Air China | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 1 Jan 2027 – 11 Jan 2027 | $718 | Air China | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 22 Jan 2027 – 1 Feb 2027 | $637 | Korean Air | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 23 Jan 2027 – 15 Mar 2027 | $629 | Korean Air | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 3 Feb 2027 – 17 Feb 2027 | $661 | Korean Air | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $629.
Airlines on the cheapest dates: Air China, Korean Air.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$286
12 Apr 2027 · MIAT Mongolian Airlines
Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN)
Leaves 6:10 a.m. · 23 h trip
1 stop
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$286 12 Apr 2027found 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 18 days, 28 Sept to 11 Nov, the cheapest one-way we saw each day was $284 to $365.
18 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 12 Apr 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Apr 2027 | $286 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Noi Bai International Airport (HAN) | 1 stop | found 3 days ago | Open this trip |
Airlines on the cheapest dates: MIAT Mongolian Airlines.
Premium cabin fares from Ulaanbaatar to Hanoi
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 25 Dec – 30 Dec in another cabin: Premium economy · Business · First
Today's prices for 12 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ulaanbaatar to Hanoi?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $525 | $501 | Cheapest seen | 12 |
| 14–29 days | $561 | $499 | +7% | 14 |
| 30–59 days | $565 | $499 | +8% | 31 |
| 60–89 days | $626 | $544 | +19% | 44 |
| 90–179 days | $636 | $538 | +21% | 38 |
One-way
Not enough history yet: in 18 days of one-way prices, 28 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 25 Dec – 30 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Ulaanbaatar to Hanoi?
The cheapest return found recently is $648 with Air China, 25 Dec to 30 Dec, found 2 days ago. The cheapest return we hold, of any age, is $629 with Korean Air, 23 Jan 2027 to 15 Mar 2027, found 4 days ago. The cheapest return fare on each of 7 departure dates is usually $643 to $712.
How much is a one-way flight from Ulaanbaatar to Hanoi?
The cheapest one-way found recently is $286 with MIAT Mongolian Airlines, 12 Apr 2027, found 3 days ago.
What is the cheapest month to fly from Ulaanbaatar to Hanoi?
January 2027 is the cheapest month for a return, from $629, 23 Jan 2027 to 15 Mar 2027, found 4 days ago.
How far ahead should I book a flight from Ulaanbaatar to Hanoi?
In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 7 to 13 days before departure.
How long is the flight from Ulaanbaatar to Hanoi?
The cheapest one-way found recently, with MIAT Mongolian Airlines on 12 Apr 2027, takes 23 h with 1 stop.
Which airlines have the cheapest flights from Ulaanbaatar to Hanoi?
Between 23 Dec and 3 Feb 2027, Air China has the cheapest return on 4 of the 7 departure dates we hold, and Korean Air on 3.
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