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฿3,745+ 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 21/1. 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
1 Jan — 8 Jan1
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 2 December 2025.

Sun 26/406:00PWM - BKK
2 stops35h 35mUnited Airlines
Sun 3/509:35BKK - PWM
2 stops46h 52mUnited Airlines
Deal found 2/12฿34,346
Wed 14/116:10PWM - BKK
3 stops55h 15mUnited Airlines
Mon 16/216:55BKK - PWM
3 stops34h 19mUnited Airlines
Deal found 2/12฿34,891
Wed 14/116:10PWM - BKK
3 stops55h 15mUnited Airlines
Sun 15/216:55BKK - PWM
3 stops34h 19mUnited Airlines
Deal found 1/12฿36,171
Sat 18/406:00PWM - BKK
2 stops30h 40mเดลต้า
Fri 24/409:50BKK - PWM
2 stops47h 13mเดลต้า
Deal found 2/12฿36,491
Sat 28/207:30PWM - BKK
2 stops29h 25mMultiple Airlines
Fri 20/302:05BKK - PWM
2 stops32h 19mMultiple Airlines
Deal found 1/12฿36,619
Fri 16/115:12PWM - BKK
3 stops32h 13mUnited Airlines
Fri 23/116:55BKK - PWM
3 stops33h 44mUnited Airlines
Deal found 1/12฿36,907
Thu 15/116:10PWM - BKK
3 stops55h 15mUnited Airlines
Thu 22/116:55BKK - PWM
3 stops28h 06mUnited Airlines
Deal found 1/12฿36,971
Fri 27/205:31PWM - BKK
2 stops29h 54mMultiple Airlines
Sat 21/308:55BKK - PWM
2 stops48h 55mMultiple Airlines
Deal found 1/12฿38,252
Fri 13/212:43PWM - HKT
2 stops29h 07mQatar Airways
Fri 20/208:20HKT - PWM
2 stops45h 43mQatar Airways
Deal found 1/12฿281,237

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 2 December 2025. 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 26/4

06:00-04:35

2 stops35h 35m

Bangkok Suvarnabhumi

Sun 3/5

09:35-21:27

2 stops46h 52m

฿34,346

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 14/1

16:10-11:25

3 stops55h 15m

Bangkok Suvarnabhumi

Mon 16/2

16:55-15:14

3 stops34h 19m

฿34,891

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 14/1

16:10-11:25

3 stops55h 15m

Bangkok Suvarnabhumi

Sun 15/2

16:55-15:14

3 stops34h 19m

฿36,171

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 18/4

06:00-23:40

2 stops30h 40m

Bangkok Suvarnabhumi

Fri 24/4

09:50-22:03

2 stops47h 13m

฿36,491

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 15/1

16:10-11:25

3 stops55h 15m

Bangkok Suvarnabhumi

Thu 22/1

16:55-09:01

3 stops28h 06m

฿36,971

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 27/2

05:31-23:25

2 stops29h 54m

Bangkok Suvarnabhumi

Sat 21/3

08:55-22:50

2 stops48h 55m

฿38,252

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Fri 13/2

12:43-05:50

2 stops29h 07m

Phuket City

Fri 20/2

08:20-18:03

2 stops45h 43m

฿281,237

Flights are sorted by cheapest return flights first.

Deals found on 2/12

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, March is the cheapest month in which you can book a flight from Portland, Maine (average of ฿24,391). Flying from Portland, Maine in June will prove the most costly (average of ฿35,979). 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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Direct flights from Maine

Book a direct flight from one of these other cities located in Maine.
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Direct flights from San Antonio

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 2 December 2025.

  • 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, Washington, D.C. Reagan-National Airport. While Orlando Airport, New York, Washington, D.C. Reagan-National Airport 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 March; 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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