Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Portland to Bangkok
The cheapest flights right now
Portland – Bangkok
Outbound – Dec 10, 2026
2 stops
30h 13m SEA
TPE
Return – Dec 24, 2026
1 stop
16h 1m YVR
$1,553
2 days ago
Portland – Bangkok
Outbound – Dec 11, 2026
2 stops
25h 15m LAX
TPE
Return – Dec 24, 2026
2 stops
18h 39m TPE
SEA
$1,645
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Today’s flight suggestion for Portland - Bangkok
Outbound November 26, 2026 · Inbound December 9, 2026
Today’s suggestion
4:51 PM
PDX 10:35 AM +2
BKK26h 44m
2 stops
4:20 PM
BKK 6:56 PM +1
PDX41h 36m
2 stops
From $1,097
Cheapest flight tickets
$1079
Average price of a round trip
$1090
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
28h50
A flight from Portland to Bangkok takes on average 28h50.
Best time
July
According to user searches, the ideal month to go to Bangkok is July.
Tips for finding a cheap flight from Portland to Bangkok
Check out our tips for booking your flight to Bangkok (Thailand) from Portland (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is September, with an average flight ticket price of $488 (calculation over the last two years). The most touristic season corresponds to the months of September, October and September.
For the cheapest flights, it is advisable to buy your ticket at least 32 days before the departure date.
The airline offering the cheapest flight tickets is Alaska Airlines. A ticket from the airline Alaska Airlines to Bangkok costs on average $1093.
The airlines that offer the most flights are .
Price of flight tickets from Portland to Bangkok
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $1079 to $1162
- The average price of a flight ticket is about $1090
- Prices are lowest for stays in the month of September
- The month in which booking a ticket is cheaper is: November
info departure city :
Portland, USA
airports :
Portland International Airport (PDX)
Pearson Airpark (VUO)
local time :
Portland is a city in the country USA, the time zone is [[timezone]]. In Portland, it is currently {fromLocalTime}, the temperature is on average 11°C, with a minimum of 10°C and a maximum of 12°C.
The city of Portland has 2 airport(s): Portland and Pearson Airpark
destination info :
Bangkok, Thailand
airports :
Bangkok-Suvarnabhumi Airport (BKK)
Bangkok-Don Muang International Airport (DMK)
local time :
Bangkok is in the country Thailand, the time zone is [[timezone]]. In Bangkok, it is currently {toLocalTime}, the temperature is on average 28°C, with a minimum of 25°C and a maximum of 32°C.
The city of Bangkok (BKK) has 2 airport(s): Bangkok-Suvarnabhumi and Bangkok-Don Muang
Useful info about Bangkok
What is the least touristic period to go to Bangkok?
If you want to visit Bangkok during the least touristic period, choose the month of July.
What is the most popular time to travel to Bangkok?
In Bangkok, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Portland to Bangkok?
According to our data, it is recommended to book your flight 32 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Portland to Bangkok is Thursday.
What are the arrival and destination airports when traveling between Portland and Bangkok?
When you leave, you can leave from Portland, and you will arrive at Bangkok-Suvarnabhumi.
How to reach Portland airport from the city centre?
The airport Portland is located 10 km or Pearson Airpark is located 10 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Portland to Bangkok?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Portland and Bangkok?
In summer, the average temperature is 29°C in Bangkok and 20°C in Portland. The average rainfall in summer is 149 mm in Bangkok and 19 mm in Portland. In summer, it is warmer in Bangkok and it rains less in Portland. In winter, it is colder in Bangkok and it rains more in Portland.
