Cheap flights from Portland to Thailand from $411
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 Thailand departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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ANA flights from Portland to Thailand
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STARLUX Airlines flights from Portland to Thailand
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How to get the cheapest flight ticket from Portland to Thailand
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 cheapest month to fly to Thailand?
The month of September is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $966. If you are unable to visit Thailand during the month of September, then departing from Portland during the month April is also very affordable. Most momondo users find prices during this month for around $988.
What is the cheapest day to depart on your flight to Thailand?
The cheapest day to depart on your flight to Thailand is on a Monday when prices can be found for as low as $1,127. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,440.
What is the cheapest time of day to depart on your flight to Thailand?
Flying to Thailand from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,137 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Thailand is at noon when prices are around $1,989.
How far in advance should I book a flight to Thailand?
You are more likely to see cheaper flights to Thailand from Portland when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,138 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Portland for as low as $1,050 on momondo.
What is the cheapest airline that flies from Portland to Thailand?
ANA, United Airlines, and Delta are the most popular carriers operating from Portland to Thailand
What airlines fly to Thailand?
Air Canada, STARLUX Airlines and Japan Airlines are the top three most popular airlines that fly to Thailand from Portland according to our data. Air Canada is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 12 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.
Cheap Portland to Thailand flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Thailand
When did momondo last update prices for flights from Portland Airport to Thailand?
Prices for flights from Portland Airport to Thailand are updated daily.
How many operators does momondo search for flights from Portland Airport to Thailand?
As of June 2025, there are 12 operators available to choose from for flights from Portland Airport to Thailand.
How old do you have to be to fly from Portland Airport to Thailand?
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 Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents required for your trip to Thailand 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 Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Portland to Thailand
Compare and see reviews for airlines that fly from Portland to Thailand with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $287 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $479 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 7.2 150 reviews | |||
| PriceFrom $789 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $793 | Free Cancellation | Rating 8.3 882 reviews | |||
| PriceFrom $864 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $894 | Free Cancellation | Rating 9.1 177 reviews | |||
| PriceFrom $925 | Free Cancellation | Rating 8.3 1,490 reviews | |||
| PriceFrom $928 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $940 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Thailand?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Thailand. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Thailand with flexible booking policies on momondo?
Flights from Portland to Thailand with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Portland to Thailand?
Once you have performed a search for Portland to Thailand flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portland to Thailand right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Thailand, momondo offers a useful price alert feature which will track prices for flights to Thailand from Portland and alert you when they change.