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Cheap flights from Thailand to Portland, Maine from ฿42,113

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Portland
Explore the most affordable flight options available from Thailand to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2026.

Fri 25/907:05
BKK
-
PWM
2 stops44h 08m
แอร์แคนาดา
Tue 29/920:15
PWM
-
BKK
2 stops45h 50m
แอร์แคนาดา
Deal found 20/2฿42,113
Fri 25/909:40
BKK
-
PWM
2 stops47h 27m
Japan Airlines
Tue 29/907:09
PWM
-
BKK
2 stops45h 01m
Japan Airlines
Deal found 17/2฿45,322
Fri 25/909:35
BKK
-
PWM
2 stops44h 49m
United Airlines
Tue 29/916:48
PWM
-
BKK
3 stops29h 47m
United Airlines
Deal found 19/2฿45,508

Find flight deals from Thailand to Portland

Keep the following information in mind while searching for Thailand to Portland flight deals. Data was last updated 21 February 2026.

Round-trip from

฿46,038

Popular in

January

Cheapest in

February

Average price

฿34,793
United Airlines
  • United Airlines
  • 4/3-8/3
  • 6 total stops
  • 68h 12m total
  • Thailand to Portland
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 0% potential price decrease (฿10,888 potential savings vs. average return price).
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Average for round-trip flights in February 2026
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Best time to book a flight from Thailand to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Thailand with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thailand to Portland

What is the cheapest month to book a flight from Thailand to Portland, Maine?

Currently, February is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of ฿29,529). Flying from Thailand to Portland, Maine in January is currently the most expensive (average of ฿39,310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Thailand to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Thailand?

    If you book a flight to Portland from Thailand, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 4.7 km from the centre of Portland.

  • Can I find deals for flights from Thailand to Portland that include hotel bookings?

    Yes. In addition to deals on Thailand to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Portland.

  • Can I find deals for business class flights from Thailand to Portland?

    Yes. Cheapflights offers flight deals from Thailand to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Portland, Maine?

    Currently, February is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of ฿29,529). Flying from Thailand to Portland, Maine in January is currently the most expensive (average of ฿39,310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Thailand to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Chiang Mai to Portland flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Thailand to Portland?

Cheapflights helps you search for flights from Thailand to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Thailand to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Thailand to Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Thailand to Portland with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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