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฿4,475+ 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 28/1. 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
18 Dec — 25 Dec1
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 November 2025.

Wed 14/116:10PWM - BKK
3 stops55h 15mUnited Airlines
Mon 16/216:55BKK - PWM
3 stops34h 19mUnited Airlines
Deal found 17/11฿34,506
Wed 14/116:10PWM - BKK
3 stops55h 15mUnited Airlines
Sun 15/216:55BKK - PWM
3 stops33h 28mUnited Airlines
Deal found 17/11฿35,804
Mon 2/215:12PWM - BKK
3 stops56h 13mUnited Airlines
Mon 9/316:55BKK - PWM
3 stops32h 37mUnited Airlines
Deal found 17/11฿38,625
Mon 2/215:58PWM - BKK
2 stops33h 07mQatar Airways
Sun 8/302:00BKK - PWM
2 stops49h 55mQatar Airways
Deal found 17/11฿42,971
Fri 28/1113:25PWM - HKT
2 stops44h 45mKorean Air
Tue 2/1223:40HKT - PWM
2 stops36h 19mKorean Air
Deal found 17/11฿44,528
Wed 14/115:58PWM - BKK
2 stops38h 27mQatar Airways
Sat 14/202:00BKK - PWM
2 stops46h 12mQatar Airways
Deal found 17/11฿58,116

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 November 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

Wed 14/1

16:10-11:25

3 stops55h 15m

Bangkok Suvarnabhumi

Mon 16/2

16:55-15:14

3 stops34h 19m

฿34,506

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 14/1

16:10-11:25

3 stops55h 15m

Bangkok Suvarnabhumi

Sun 15/2

16:55-21:14

3 stops40h 19m

฿35,804

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 2/2

06:00-05:10

2 stops35h 10m

Bangkok Suvarnabhumi

Mon 9/3

16:55-10:49

3 stops28h 54m

฿38,074

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Fri 28/11

13:25-22:10

2 stops44h 45m

Phuket City

Tue 2/12

23:40-22:23

2 stops34h 43m

฿44,528

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 16/1

11:29-23:20

3 stops47h 51m

฿18,810

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 14/1

05:30-13:25

2 stops43h 55m

฿19,004

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 13/1

12:20-13:25

2 stops61h 05m

฿19,426

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 14/1

11:02-23:20

3 stops48h 18m

฿19,426

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 17/1

18:18-23:20

3 stops41h 02m

฿19,523

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 15/1

15:58-20:00

3 stops40h 02m

฿19,588

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 13 results
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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 ฿24,745). Flying from Portland, Maine in June will prove the most costly (average of ฿36,452). 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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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 November 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 Orlando Airport, New York, Washington, D.C. Reagan-National Airport. While Orlando Airport, New York, Denver 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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