HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$647+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BSL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Basel with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Basel

Best flights from Portland to Basel
Discover carefully curated flight deals from Portland to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/102:35 pmPWM - BSL
2 stops13h 15mMultiple Airlines
Sat 1/176:05 amBSL - PWM
2 stops23h 54mMultiple Airlines
Deal found 12/11$647
This United Airlines deal was found by Cheapflights users on 12/9. 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 2/114:10 pmPWM - BSL
2 stops17h 55mUnited Airlines
Sun 2/159:50 amBSL - PWM
2 stops34h 33mUnited Airlines
Deal found 12/9$817
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 1/102:31 pmPWM - BSL
2 stops23h 09mUnited Airlines
Sat 1/179:50 amBSL - PWM
2 stops19h 40mUnited Airlines
Deal found 12/11$903

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$647
(KLM)

Popular in

November

Cheapest in

January

Average price

$761
Provider with most accurate pricing for Boston Logan Intl-Basel (EAP) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Basel (EAP) flights.
Search Deals
From Portland to Basel EuroAirport Swiss
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Sat 1/10

2:35 pm-9:50 am

2 stops13h 15m

Basel EuroAirport Swiss

Sat 1/17

6:05 am-11:59 pm

2 stops23h 54m

$647

PortlandBasel

PWM - BSL

PWMBSL

Portland

Wed 2/11

4:10 pm-4:05 pm

2 stops17h 55m

Basel EuroAirport Swiss

Sun 2/15

9:50 am-2:23 pm

2 stops34h 33m

$817

PortlandBasel

PWM - BSL

PWMBSL

Portland

Sat 1/10

2:31 pm-7:40 pm

2 stops23h 09m

Basel EuroAirport Swiss

Sat 1/17

9:50 am-11:30 pm

2 stops19h 40m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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, December is the cheapest month in which you can book a flight from Portland, Maine to Basel EuroAirport Swiss (average of $431). Flying from Portland, Maine to Basel EuroAirport Swiss in November is currently the most expensive (average of $1,472). 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.

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.

  • How long is the flight from Portland, Maine to Basel EuroAirport Swiss?

    For as low as $817, United Airlines can have you in Basel EuroAirport Swiss from Portland, Maine in 17h 55m. Airlines will cover a distance of 3607 mi.

  • 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, December is the cheapest month in which you can book a flight from Portland, Maine to Basel EuroAirport Swiss (average of $431). Flying from Portland, Maine to Basel EuroAirport Swiss in November is currently the most expensive (average of $1,472). 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.

See more FAQs

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.

Alternative routes for Portland to Basel

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Basel flights

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.