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$678+ Cheap flights from Portland, ME (PWM) to Basel EuroAirport Swiss (BSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BSL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Portland to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Basel (BSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$678
(United Airlines)
From Portland to Basel EuroAirport Swiss
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Cheapest flights from Portland to Basel
Explore the most affordable flight options available from Portland to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:45 amPWM - BSL
2 stops24h 15mUnited Airlines
Sun 11/169:45 amBSL - PWM
2 stops20h 14mUnited Airlines
Deal found 7/27$678

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Basel that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Portland to Basel EuroAirport Swiss that are best for you.

Fly from

Portland

Fly to

Basel

Route

Depart

Return

Price

PortlandBasel

PWM - BSL

PWMBSL

Portland

Wed 11/12

9:45 am-4:00 pm

2 stops24h 15m

Basel EuroAirport Swiss

Sun 11/16

9:45 am-11:59 pm

2 stops20h 14m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Portland to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Portland with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Basel EuroAirport Swiss

What is the cheapest month to book a flight from Portland, Maine to Basel EuroAirport Swiss?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Basel EuroAirport Swiss (average of $545). Flying from Portland, Maine to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Basel. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Portland to Basel EuroAirport Swiss, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Portland to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Portland to Basel that include hotel bookings?

    Yes. In addition to deals on Portland to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Basel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Basel.

  • Can I find deals for business class flights from Portland to Basel?

    Yes. Cheapflights offers flight deals from Portland to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Basel EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Basel EuroAirport Swiss (average of $545). Flying from Portland, Maine to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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