฿4,508+ 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
31 Jan — 7 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 1 January 2026.

Thu 26/205:31PWM - BKK
2 stops27h 59mเดลต้า
Wed 4/323:15BKK - PWM
2 stops35h 51mเดลต้า
Deal found 31/12฿31,837
Sun 8/314:30PWM - BKK
2 stops45h 50mKorean Air
Wed 11/300:55BKK - PWM
2 stops33h 27mKorean Air
Deal found 29/12฿33,571
Thu 26/206:00PWM - BKK
3 stops41h 25mUnited Airlines
Wed 4/316:55BKK - PWM
3 stops34h 19mUnited Airlines
Deal found 31/12฿34,642
Tue 3/315:05PWM - BKK
3 stops32h 20mUnited Airlines
Sun 15/316:55BKK - PWM
3 stops57h 19mUnited Airlines
Deal found 29/12฿34,863
Tue 3/317:40PWM - BKK
2 stops58h 45mMultiple Airlines
Sun 15/322:05BKK - PWM
2 stops30h 02mMultiple Airlines
Deal found 29/12฿36,408
Fri 13/306:25PWM - BKK
2 stops31h 20mเดลต้า
Tue 31/321:40BKK - PWM
2 stops37h 19mเดลต้า
Deal found 30/12฿37,826
Sun 8/305:45PWM - BKK
3 stops66h 40mUnited Airlines
Thu 12/309:10BKK - PWM
2 stops23h 01mUnited Airlines
Deal found 29/12฿37,952
Sun 8/206:00PWM - BKK
2 stops35h 10mUnited Airlines
Thu 12/209:10BKK - PWM
2 stops23h 18mUnited Airlines
Deal found 31/12฿38,551
Sat 21/306:25PWM - HKT
2 stops52h 45mKorean Air
Wed 25/323:40HKT - PWM
2 stops27h 26mKorean Air
Deal found 30/12฿42,712
Sat 21/312:49PWM - HKT
2 stops30h 01mQatar Airways
Wed 25/308:20HKT - PWM
2 stops38h 59mQatar Airways
Deal found 29/12฿56,140

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 1 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

Thu 26/2

05:31-21:30

2 stops27h 59m

Bangkok Suvarnabhumi

Wed 4/3

23:15-23:06

2 stops35h 51m

฿31,837

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 8/3

14:30-23:20

2 stops45h 50m

Bangkok Suvarnabhumi

Wed 11/3

00:55-23:22

2 stops33h 27m

฿33,571

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 26/2

06:00-11:25

3 stops41h 25m

Bangkok Suvarnabhumi

Wed 4/3

16:55-15:14

3 stops34h 19m

฿34,642

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 3/3

15:05-11:25

3 stops32h 20m

Bangkok Suvarnabhumi

Sun 15/3

16:55-15:14

3 stops57h 19m

฿34,863

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 3/3

17:40-16:25

2 stops58h 45m

Bangkok Suvarnabhumi

Sun 15/3

22:05-17:07

2 stops30h 02m

฿36,408

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 13/3

06:25-00:45

2 stops31h 20m

Bangkok Suvarnabhumi

Tue 31/3

21:40-23:59

2 stops37h 19m

฿37,826

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 8/3

05:45-11:25

3 stops66h 40m

Bangkok Suvarnabhumi

Thu 12/3

09:10-21:11

2 stops23h 01m

฿37,952

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 8/2

06:00-05:10

2 stops35h 10m

Bangkok Suvarnabhumi

Thu 12/2

09:10-20:28

2 stops23h 18m

฿38,551

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 21/3

06:25-22:10

2 stops52h 45m

Phuket City

Wed 25/3

23:40-16:06

2 stops27h 26m

฿42,712

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 21/3

12:49-05:50

2 stops30h 01m

Phuket City

Wed 25/3

08:20-12:19

2 stops38h 59m

฿56,140

Flights are sorted by cheapest return flights first.

Deals found on 30/12

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, February is the cheapest month in which you can book a flight from Portland, Maine (average of ฿23,799). Flying from Portland, Maine in June will prove the most costly (average of ฿35,430). 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 1 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 Orlando Airport, Orlando, New York. 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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