Cheap flights from Portland to Bangkok from $443
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bangkok departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland to Bangkok
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
ANA flights from Portland to Bangkok
Our best ANA deals on Portland to Bangkok flight tickets
Singapore Airlines flights from Portland to Bangkok
Our best Singapore Airlines deals on Portland to Bangkok flight tickets
See travel insights to Bangkok from
How to get the cheapest flight ticket from Portland to Bangkok
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Portland and Bangkok?
What is the cheapest month to fly to Bangkok?
If you aren’t able to travel during the month of September, then book flights to Bangkok from Portland during February instead. Flights to Bangkok in February, while not as cheap as those in September, still average around $1,050.
What is the cheapest day to depart on your flight to Bangkok?
On average, the least expensive day to fly to Bangkok from Portland is on a Monday. momondo users have found tickets for Monday departures for as low as $1,127. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Portland to Bangkok on a Friday will generally be more expensive and average around $1,440. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Bangkok?
According to our data, the cheapest time of day to fly to Bangkok is in the evening. momondo users have found flights departing from Portland to Bangkok in the evening for as low as $1,137. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $1,989. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Bangkok?
You are more likely to see cheaper flights to Bangkok from Portland when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,216 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Portland for as low as $1,066 on momondo.
What is the cheapest airline that flies from Portland to Bangkok?
Qatar Airways, Japan Airlines, and Air Canada are the most popular carriers operating from Portland to Bangkok
What airlines fly to Bangkok?
Air Canada, Japan Airlines and United Airlines are the top three most popular airlines that fly to Bangkok from Portland according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 12 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.
Cheap Portland to Bangkok flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Bangkok
How far is Portland to Bangkok by plane?
The distance between Portland and Bangkok is about 7529.0 mi. 20h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Bangkok?
Prices for flights from Portland Airport to Bangkok are updated daily.
How many operators does momondo search for flights from Portland Airport to Bangkok?
As of February 2025, there are 12 operators available to choose from for flights from Portland Airport to Bangkok.
How old do you have to be to fly from Portland Airport to Bangkok?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Portland to Bangkok
Compare and see reviews for airlines that fly from Portland to Bangkok with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $750 | Free Cancellation | Rating 7.0 126 reviews | |||
| PriceFrom $866 | Free Cancellation | Rating 7.4 3,612 reviews | |||
| PriceFrom $916 | Free Cancellation | Rating 9.1 140 reviews | |||
| PriceFrom $928 | Free Cancellation | Rating 7.0 8,748 reviews | |||
| PriceFrom $930 | Free Cancellation | Rating 8.3 1,440 reviews | |||
| PriceFrom $938 | Free Cancellation | Rating 8.4 842 reviews | |||
| PriceFrom $946 | Free Cancellation | Rating 8.1 1,299 reviews | |||
| PriceFrom $967 | Free Cancellation | Rating 7.4 8,766 reviews | |||
| PriceFrom $992 | Free Cancellation | Rating 8.0 8,220 reviews | |||
| PriceFrom $1,090 | Free Cancellation | Rating 7.5 821 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Bangkok?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Bangkok. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Bangkok with flexible booking policies on momondo?
All flight searches from Portland to Bangkok on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Portland to Bangkok?
Once all potential Portland to Bangkok flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portland to Bangkok right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.