Cheap flights from Pattaya to Siem Reap from $178 UTP → SAI
Utapao Airport (UTP) → Siem Reap International Airport (SAI)
The cheapest return found recently is $604 with Bangkok Airways, 1 Jan 2027 – 15 Jan 2027, found today. The cheapest one-way found recently is $178 with Bangkok Airways, 21 Mar 2027, found today.
- Cheapest one-way found recently
- $178, found today
- Cheapest return found recently
- $604, 1 Jan 2027 to 15 Jan 2027
- Usual return price
- $577 to $622
- Cheapest month to fly
- April 2027, return fares from $500 found in the last 7 days
Return
The cheapest return fare on each of 4 departure dates is usually $577 to $622.
Cheapest return found recently
$604
1 Jan 2027 – 15 Jan 2027 · Bangkok Airways
Utapao Airport (UTP) → Siem Reap International Airport (SAI)
Leaves 1:00 p.m. · Return leaves 4:50 p.m. · 75 h 5 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$604 1 Jan 2027 – 15 Jan 2027found todaySee prices for these dates
$500 7 Apr 2027 – 21 Apr 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 48 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $408 to $577.
At $604, the cheapest return found recently is above that range.
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 4 departure dates from 20 Nov to 7 Apr 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 14-night return fares leaving within 3 days of 1 Jan 2027 to compare.
Every date we hold
5 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Nov – 21 Nov | $633 | Bangkok Airways | Utapao Airport (UTP) → Siem Reap International Airport (SAI) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 15 Dec – 16 Dec | $618 | Thai Lion Air | Utapao Airport (UTP) → Siem Reap International Airport (SAI) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 1 Jan 2027 – 15 Jan 2027 | $602 | Thai Lion Air | Utapao Airport (UTP) → Siem Reap International Airport (SAI) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 7 Apr 2027 – 21 Apr 2027 | $500 | Bangkok Airways | Utapao Airport (UTP) → Siem Reap International Airport (SAI) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
Which month looks cheapest?
April 2027 is the cheapest month — from $500.
Airlines on the cheapest dates: Bangkok Airways, Thai Lion Air.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$178
21 Mar 2027 · Bangkok Airways
Utapao Airport (UTP) → Siem Reap International Airport (SAI)
Leaves 1:00 p.m. · 27 h 5 min trip
stops unknown
found today
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$178 21 Mar 2027found todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 28 days, 25 Sept to 5 Nov, the cheapest one-way we saw each day was $195 to $292.
At $178, the cheapest one-way found recently is below that range.
28 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 2 departure dates 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 21 Mar 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 8 Feb 2027 | $278 | Bangkok Airways | Utapao Airport (UTP) → Siem Reap International Airport (SAI) | 2 stops | found yesterday | Open this trip |
| 21 Mar 2027 | $178 | Bangkok Airways | Utapao Airport (UTP) → Siem Reap International Airport (SAI) | stops unknown | found today | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $178.
Airlines on the cheapest dates: Bangkok Airways.
Premium cabin fares from Pattaya to Siem Reap
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 1 Jan 2027 – 15 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 21 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Pattaya to Siem Reap?
Return
Fares 7 to 13 days before departure were typically 27% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (48 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 | $586 | $549 | +37% | 9 |
| 7–13 days | $427 | $427 | Cheapest seen | 9 |
| 14–29 days | $535 | $524 | +25% | 18 |
| 30–59 days | $504 | $463 | +18% | 33 |
| 60–89 days | $570 | $518 | +34% | 26 |
| 90–179 days | $479 | $408 | +12% | 32 |
One-way
Not enough history yet: in 28 days of one-way prices, 25 Sept to 5 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Bangkok → Siem Reap
101 km from Pattaya
$159
$445 less than flying from Pattaya
18 Feb 2027 – 2 Mar 2027 · BKK → SAI · out nonstop, back nonstop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Bangkok → Siem Reap
101 km from Pattaya
$82
$96 less than flying from Pattaya
14 Jan 2027 · BKK → SAI · nonstop
found 6 hours ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 1 Jan 2027 – 15 Jan 2027. 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 Pattaya to Siem Reap?
The cheapest return found recently is $604 with Bangkok Airways, 1 Jan 2027 to 15 Jan 2027, found today. The cheapest return we hold, of any age, is $500 with Bangkok Airways, 7 Apr 2027 to 21 Apr 2027, found 4 days ago. The cheapest return fare on each of 4 departure dates is usually $577 to $622.
How much is a one-way flight from Pattaya to Siem Reap?
The cheapest one-way found recently is $178 with Bangkok Airways, 21 Mar 2027, found today.
What is the cheapest month to fly from Pattaya to Siem Reap?
April 2027 is the cheapest month for a return, from $500, 7 Apr 2027 to 21 Apr 2027, found 4 days ago. March 2027 is the cheapest month for a one-way, from $178, 21 Mar 2027, found today.
How far ahead should I book a flight from Pattaya to Siem Reap?
In 48 days of prices between 24 Sept and 12 Nov, return fares 7 to 13 days before departure were typically 27% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Pattaya to Siem Reap?
Between 20 Nov and 7 Apr 2027, Bangkok Airways has the cheapest return on 2 of the 4 departure dates we hold, and Thai Lion Air on 2.
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