฿5,019+ 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 21/5. 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 May — 24 May1
1 adult
1 adult, Economy, 0 bags

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

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 4/5

07:30-18:10

2 stops47h 40m

Bangkok Suvarnabhumi

Fri 8/5

09:15-23:03

2 stops48h 48m

฿31,872

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 3/5

07:30-06:45

2 stops36h 15m

Bangkok Suvarnabhumi

Thu 7/5

21:00-23:03

2 stops37h 03m

฿31,872
Fastest return journey

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 5/10

06:00-23:50

2 stops30h 50m

Bangkok Suvarnabhumi

Tue 17/11

20:50-17:07

2 stops32h 17m

฿32,256

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sun 3/5

07:30-07:35

2 stops37h 05m

Phuket City

Thu 7/5

20:25-23:03

2 stops37h 38m

฿32,831

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 2/5

07:30-19:20

2 stops48h 50m

Phuket City

Wed 6/5

21:20-23:03

2 stops36h 43m

฿32,831

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 4/5

11:34-09:35

3 stops35h 01m

Bangkok Suvarnabhumi

Fri 8/5

15:45-10:23

3 stops29h 38m

฿47,888

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 28/4

06:04-09:35

3 stops40h 31m

Bangkok Suvarnabhumi

Sun 7/6

15:45-14:26

3 stops33h 41m

฿50,285

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 3/5

05:30-04:35

2 stops36h 05m

Bangkok Suvarnabhumi

Thu 7/5

15:45-14:14

3 stops33h 29m

฿52,843

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Sorted by cheapest first

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.
No data available for this route at this time. Please check back soon.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 17 April 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.

  • 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!

See more FAQs

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.