฿4,567+ 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 2/4. 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
29 Mar — 5 Apr1
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 27 February 2026.

Mon 13/418:33
PWM
-
BKK
3 stops52h 02m
United Airlines
Mon 20/415:45
BKK
-
PWM
3 stops33h 35m
United Airlines
Deal found 27/2฿36,260
Sun 12/409:49
PWM
-
BKK
3 stops36h 46m
United Airlines
Sun 19/415:45
BKK
-
PWM
3 stops36h 47m
United Airlines
Deal found 26/2฿40,548
Fri 10/418:18
PWM
-
BKK
3 stops52h 17m
United Airlines
Fri 17/415:45
BKK
-
PWM
3 stops34h 54m
United Airlines
Deal found 24/2฿41,884
Wed 25/312:44
PWM
-
BKK
2 stops37h 21m
Qatar Airways
Tue 31/302:30
BKK
-
PWM
2 stops32h 26m
Qatar Airways
Deal found 25/2฿42,909
Sat 20/615:05
PWM
-
BKK
2 stops28h 15m
Qatar Airways
Tue 30/620:00
BKK
-
PWM
2 stops29h 24m
Qatar Airways
Deal found 26/2฿48,191
Sat 20/606:00
PWM
-
BKK
3 stops40h 35m
United Airlines
Tue 30/609:35
BKK
-
PWM
2 stops48h 55m
United Airlines
Deal found 26/2฿49,838
Wed 25/312:44
PWM
-
BKK
2 stops37h 21m
Multiple Airlines
Tue 31/301:50
BKK
-
PWM
3 stops33h 06m
Multiple Airlines
Deal found 25/2฿57,202
Sat 21/312:44
PWM
-
HKT
2 stops43h 11m
Qatar Airways
Wed 25/308:20
HKT
-
PWM
2 stops50h 14m
Qatar Airways
Deal found 26/2฿72,799
Fri 29/506:00
PWM
-
BKK
2 stops46h 10m
Japan Airlines
Sun 2/821:40
BKK
-
PWM
2 stops37h 17m
Japan Airlines
Deal found 24/2฿166,416
Mon 4/511:34
PWM
-
HKT
2 stops37h 26m
Emirates
Tue 12/523:45
HKT
-
PWM
2 stops46h 08m
Emirates
Deal found 24/2฿681,170
Mon 4/506:00
PWM
-
HKT
3 stops39h 35m
Multiple Airlines
Tue 12/511:40
HKT
-
PWM
3 stops46h 56m
Multiple Airlines
Deal found 24/2฿798,711

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 27 February 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 13/4

18:33-09:35

3 stops52h 02m

Bangkok Suvarnabhumi

Mon 20/4

15:45-14:20

3 stops33h 35m

฿36,260

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 10/4

18:18-09:35

3 stops52h 17m

Bangkok Suvarnabhumi

Fri 17/4

15:45-15:39

3 stops34h 54m

฿41,884

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 20/6

15:05-06:20

2 stops28h 15m

Bangkok Suvarnabhumi

Tue 30/6

20:00-14:24

2 stops29h 24m

฿48,191

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 20/6

06:00-09:35

3 stops40h 35m

Bangkok Suvarnabhumi

Tue 30/6

09:35-23:30

2 stops48h 55m

฿49,838

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 25/3

12:44-13:05

2 stops37h 21m

Bangkok Suvarnabhumi

Tue 31/3

01:50-23:56

3 stops33h 06m

฿57,202

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 21/3

12:44-18:55

2 stops43h 11m

Phuket City

Wed 25/3

08:20-23:34

2 stops50h 14m

฿72,799

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 12/4

19:36-04:35

2 stops45h 59m

Bangkok Suvarnabhumi

Sun 19/4

15:45-17:32

3 stops36h 47m

฿78,019

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 29/5

06:00-05:45

2 stops36h 45m

Bangkok Suvarnabhumi

Sun 2/8

21:40-23:57

2 stops37h 17m

฿169,648

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 29/5

06:00-23:55

2 stops30h 55m

Bangkok Suvarnabhumi

Sun 2/8

15:45-21:51

3 stops41h 06m

฿186,923

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Mon 4/5

11:34-12:00

2 stops37h 26m

Phuket City

Tue 12/5

23:45-10:53

2 stops46h 08m

฿681,170

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 11 resultsSorted by cheapest first
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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 ฿22,775). Flying from Portland, Maine in June will prove the most costly (average of ฿34,209). 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.
Direct flights from Boston

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 27 February 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, 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 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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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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