Ulaanbaatar to Erenhot UBN → ERL
Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL)
The cheapest return found recently is $251 with Hunnu Air, 21 Oct – 22 Oct, found 6 days ago. The cheapest one-way found recently is $125 with Hunnu Air, 28 Oct, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $254 to $260.
Cheapest return found recently
$251
21 Oct – 22 Oct · Hunnu Air
Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL)
Leaves 8:45 a.m. · Return leaves 11:00 a.m. · 2 h 35 min of travel, both ways together
out nonstop, back nonstop
found 6 days ago
Cheapest nonstop return
$251
21 Oct – 22 Oct · Hunnu Air
Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL)
Leaves 8:45 a.m. · Return leaves 11:00 a.m. · 2 h 35 min of travel, both ways together
out nonstop, back nonstop
found 6 days ago
Found recently, and the cheapest we hold
$251 21 Oct – 22 Octfound 6 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $251 to $259.
At $251, the cheapest return found recently is at the low end of that range.
25 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 return price?
Compared with the cheapest return fare on each of 3 departure dates from 20 Oct to 14 Dec, 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?
No. We hold 1-night return fares on 1 other departure date within 3 days of 21 Oct, and it is not cheaper.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct – 21 Oct | $263 | Hunnu Air | Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 21 Oct – 22 Oct | $251 | Hunnu Air | Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 14 Dec – 21 Dec | $256 | Hunnu Air | Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $251.
Airlines on the cheapest dates: Hunnu Air.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $118 to $129.
Cheapest one-way found recently
$125
28 Oct · Hunnu Air
Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL)
Leaves 8:45 a.m. · 1 h 15 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$125
28 Oct · Hunnu Air
Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL)
Leaves 8:45 a.m. · 1 h 15 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$125 28 Octfound yesterdayOpen this trip
$110 27 Octfound 2 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $110 to $135.
25 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?
Compared with the cheapest one-way fare on each of 3 departure dates from 20 Oct to 28 Oct, 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?
Yes. Among one-way fares leaving within 3 days of 28 Oct, 27 Oct costs $110: $15 less than the cheapest found recently.
Hunnu Air · Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) · nonstop · found 2 days ago
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct | $133 | Hunnu Air | Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) | nonstop | found 5 days ago | Open this trip |
| 27 Oct | $110 | Hunnu Air | Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) | nonstop | found 2 days ago | Open this trip |
| 28 Oct | $125 | Hunnu Air | Chinggis Khaan International Airport (UBN) → Eren Hot Airport (ERL) | nonstop | found yesterday | Open this trip |
Airlines on the cheapest dates: Hunnu Air.
Premium cabin fares from Ulaanbaatar to Erenhot
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 21 Oct – 22 Oct in another cabin: Premium economy · Business · First
Today's prices for 28 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ulaanbaatar to Erenhot?
Return
Timing didn't matter much here — prices were about the same in every range.
From the cheapest return each day between 24 Sept and 18 Oct (25 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 |
|---|---|---|---|---|
| 0–6 days | $257 | $251 | Cheapest seen | 17 |
| 7–13 days | $257 | $251 | +0% | 17 |
| 14–29 days | $257 | $257 | +0% | 8 |
One-way
The cheapest fares were 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 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 |
|---|---|---|---|---|
| 0–6 days | $128 | $123 | Cheapest seen | 23 |
| 7–13 days | $130 | $110 | +2% | 23 |
| 14–29 days | $140 | $130 | +9% | 9 |
Live price for these dates
The cheapest return found recently is for 21 Oct – 22 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
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