฿3,353+ Cheap flights from Portland, Maine

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PWM — BKK
17 Feb — 24 Feb1
1 adult
1 adult, Economy, 0 bags

Find flights from Portland

Enter your travel dates to find the best prices.

Cheapest flights from Portland
Explore the most affordable flight options available from Portland. Find the lowest fares based on data from user searches, with prices last updated on 18 January 2026.

Sun 8/317:40
PWM
-
BKK
2 stops59h 45m
Multiple Airlines
Thu 12/309:55
BKK
-
PWM
2 stops42h 12m
Multiple Airlines
Deal found 16/1฿30,587
Mon 2/306:00
PWM
-
BKK
2 stops35h 10m
United Airlines
Mon 9/316:55
BKK
-
PWM
3 stops32h 37m
United Airlines
Deal found 16/1฿33,721
Sun 8/316:23
PWM
-
BKK
2 stops49h 47m
United Airlines
Thu 12/316:55
BKK
-
PWM
3 stops63h 16m
United Airlines
Deal found 16/1฿35,225
Tue 3/205:30
PWM
-
BKK
2 stops28h 00m
เดลต้า
Tue 17/321:30
BKK
-
PWM
2 stops36h 52m
เดลต้า
Deal found 17/1฿35,570
Tue 3/216:10
PWM
-
BKK
3 stops55h 15m
United Airlines
Tue 17/309:10
BKK
-
PWM
2 stops24h 54m
United Airlines
Deal found 17/1฿37,795
Sun 8/314:30
PWM
-
BKK
2 stops47h 15m
Korean Air
Wed 11/302:05
BKK
-
PWM
2 stops32h 17m
Korean Air
Deal found 15/1฿38,892
Sat 21/306:25
PWM
-
HKT
2 stops52h 45m
Korean Air
Wed 25/323:40
HKT
-
PWM
2 stops34h 42m
Korean Air
Deal found 15/1฿43,091

Find flights from Portland within your budget

 
Find flights departing from Portland that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 18 January 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 8/3

17:40-16:25

2 stops59h 45m

Bangkok Suvarnabhumi

Thu 12/3

09:55-17:07

2 stops42h 12m

฿30,587

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 2/3

06:00-05:10

2 stops35h 10m

Bangkok Suvarnabhumi

Mon 9/3

16:55-14:32

3 stops32h 37m

฿33,721

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 8/3

16:23-05:10

2 stops49h 47m

Bangkok Suvarnabhumi

Thu 12/3

16:55-21:11

3 stops63h 16m

฿35,225

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 3/2

05:30-21:30

2 stops28h 00m

Bangkok Suvarnabhumi

Tue 17/3

21:30-23:22

2 stops36h 52m

฿35,570

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 3/2

16:10-11:25

3 stops55h 15m

Bangkok Suvarnabhumi

Tue 17/3

09:10-23:04

2 stops24h 54m

฿37,795

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 21/3

06:25-22:10

2 stops52h 45m

Phuket City

Wed 25/3

23:40-23:22

2 stops34h 42m

฿43,091

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Best time to book a flight from Portland

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

Travel insights for flights from Portland

Get recent, data-driven insights about flights from Portland including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Portland, Maine (average of ฿22,971). Flying from Portland, Maine in June will prove the most costly (average of ฿35,225). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Portland. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 18 January 2026.

  • What are the most popular destinations to fly to from Portland, Maine?

    The most selected flight destinations from Portland, Maine for the current month are New York, Orlando Airport, Orlando. While Orlando Airport, New York, Orlando are the top choices made by travellers year-round.

  • What is the cheapest month to fly from Portland, Maine?

    At the present moment the cheapest month to fly from Portland, Maine is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Portland?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Portland.

  • Can Cheapflights find flights from Portland with no change fees?

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

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

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

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How does Cheapflights help users find flights from Portland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Portland.

Can Cheapflights find flights from Portland with no change fees?

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

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

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

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