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฿34,057+ Cheap flights to Portland, Maine

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.
— PWM
3 Feb — 10 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Portland, ME in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Portland
Explore the most affordable flight options available to Portland. Find the lowest fares based on data from user searches, with prices last updated on 4 January 2026.

Fri 25/907:15BKK - PWM
2 stops43h 54mแอร์แคนาดา
Tue 29/909:10PWM - BKK
2 stops57h 05mแอร์แคนาดา
Deal found 3/1฿34,057
Mon 29/607:05BKK - PWM
2 stops26h 52mแอร์แคนาดา
Wed 22/706:00PWM - BKK
2 stops36h 05mแอร์แคนาดา
Deal found 4/1฿39,376
Tue 17/209:55BKK - PWM
2 stops43h 12mMultiple Airlines
Tue 24/217:40PWM - BKK
2 stops47h 25mMultiple Airlines
Deal found 3/1฿40,006
Fri 3/707:05BKK - PWM
2 stops36h 14mแอร์แคนาดา
Wed 22/706:00PWM - BKK
2 stops36h 05mแอร์แคนาดา
Deal found 4/1฿40,510
Wed 1/722:05BKK - PWM
2 stops48h 35mJapan Airlines
Wed 22/717:36PWM - BKK
2 stops42h 24mJapan Airlines
Deal found 4/1฿44,129
Mon 29/607:05BKK - PWM
2 stops26h 52mแอร์แคนาดา
Sat 25/706:00PWM - BKK
2 stops36h 05mแอร์แคนาดา
Deal found 4/1฿44,413
Tue 30/620:00BKK - PWM
2 stops29h 23mQatar Airways
Tue 21/715:03PWM - BKK
2 stops29h 12mQatar Airways
Deal found 4/1฿44,696
Mon 29/620:00BKK - PWM
2 stops29h 23mQatar Airways
Mon 20/715:03PWM - BKK
2 stops35h 22mQatar Airways
Deal found 4/1฿45,420
Sun 28/609:35BKK - PWM
2 stops44h 49mUnited Airlines
Wed 22/706:00PWM - BKK
3 stops40h 45mUnited Airlines
Deal found 4/1฿45,514
Sun 28/609:35BKK - PWM
2 stops44h 49mUnited Airlines
Fri 24/706:00PWM - BKK
2 stops35h 35mUnited Airlines
Deal found 4/1฿45,546
Fri 25/909:35BKK - PWM
2 stops44h 49mUnited Airlines
Tue 29/916:48PWM - BKK
3 stops29h 57mUnited Airlines
Deal found 2/1฿45,577

Find flight deals to Portland

Find the latest flights to Portland in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 4 January 2026.

Return from

฿39,376
แอร์แคนาดา
  • แอร์แคนาดา
  • 29/6-22/7
  • 4 total stops
  • 62h 57m total
  • Bangkok to Portland
Search Deals

Cheapflights Fare Finder

 
Locate flights to Portland that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 4 January 2026.
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 17/2

09:55-17:07

2 stops43h 12m

Portland

Tue 24/2

17:40-05:05

2 stops47h 25m

฿40,006

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 3/7

07:05-08:19

2 stops36h 14m

Portland

Wed 22/7

06:00-05:05

2 stops36h 05m

฿40,510

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 29/6

07:05-22:57

2 stops26h 52m

Portland

Sat 25/7

06:00-05:05

2 stops36h 05m

฿44,413

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 1/7

21:05-14:23

2 stops28h 18m

Portland

Tue 21/7

15:03-07:15

2 stops29h 12m

฿44,696

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 2/7

20:00-14:23

2 stops29h 23m

Portland

Mon 20/7

15:03-13:25

2 stops35h 22m

฿45,420

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 29/6

20:00-14:23

2 stops29h 23m

Portland

Tue 21/7

15:03-07:15

2 stops29h 12m

฿45,420

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 1/7

20:00-14:23

2 stops29h 23m

Portland

Mon 20/7

15:03-07:15

2 stops29h 12m

฿45,420

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 29/6

20:00-14:23

2 stops29h 23m

Portland

Mon 20/7

15:03-13:25

2 stops35h 22m

฿45,420

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Sun 28/6

09:35-19:24

2 stops44h 49m

Portland

Wed 22/7

06:00-09:45

3 stops40h 45m

฿45,514

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Sun 28/6

09:35-19:24

2 stops44h 49m

Portland

Tue 21/7

06:00-04:35

2 stops35h 35m

฿45,546

Flights are sorted by cheapest return flights first.

Deals found on 3/1

Showing 1-10 of 12 results
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Best time to book a flight to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland 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 to Portland

How long is the flight to Portland?

On average, a flight from Bangkok to Portland takes 43 hours 12 minutes. Flights to Portland from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 73.0 - 115.0 mm per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland when rainfall is around 73.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

FAQs about flying to Portland

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

    Portland (PWM), located 4.7 km from the city centre, is the airport you fly into when you book flights to Portland.

  • Can I find cheaper flights to Portland if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portland on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Portland depart from?

    For those looking to save time traveling to Portland, Chiang Mai offers the quickest one-way flight (36 hours 22 minutes).

  • Does Portland have rental cars?

    Yes. Those touching down at Portland can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Portland?

    Yes. Portland has hotels nearby for those requiring accommodations. Embassy Suites by Hilton Portland Maine is the closest property to Portland (0.0 km away from Portland).

See more FAQs

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How does Cheapflights help users find flights to Portland?

When you search for this flight to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Portland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to Portland become cheaper?

Of course! You can track prices for flights to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

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