Cheap Flights to Casco Bay Islands , ME from CA $140

View CA $140 flight on Wed, May 14, 2025Opens in a new window

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How much is the cheapest flight to Casco Bay Islands?

Prices were available within the past 7 days and start at CA $140 for one-way flights and CA $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed., May 14 - Wed., May 21
BUF
Buffalo Niagara Intl.
PWM
Portland Intl. Jetport
CA $281 Roundtrip, found 2 days ago
CA $281
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed., May 14 from Buffalo Niagara Intl. to Portland Intl. Jetport, returning Wed., May 21, priced at CA $281 found 2 days ago
Delta
Sat., May 31 - Tue., Jun. 3
BUF
Buffalo Niagara Intl.
PWM
Portland Intl. Jetport
CA $283 Roundtrip, found 1 day ago
CA $283
Roundtrip
found 1 day ago
Select Delta flight, departing Sat., May 31 from Buffalo Niagara Intl. to Portland Intl. Jetport, returning Tue., Jun. 3, priced at CA $283 found 1 day ago
JetBlue Airways
Wed., Jun. 4 - Fri., Jun. 6
BUF
Buffalo Niagara Intl.
PWM
Portland Intl. Jetport
CA $286 Roundtrip, found 4 days ago
CA $286
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed., Jun. 4 from Buffalo Niagara Intl. to Portland Intl. Jetport, returning Fri., Jun. 6, priced at CA $286 found 4 days ago
United
Sat., Jul. 19 - Tue., Jul. 29
BUF
Buffalo Niagara Intl.
PWM
Portland Intl. Jetport
CA $366 Roundtrip, found 3 days ago
CA $366
Roundtrip
found 3 days ago
Select United flight, departing Sat., Jul. 19 from Buffalo Niagara Intl. to Portland Intl. Jetport, returning Tue., Jul. 29, priced at CA $366 found 3 days ago
Air Canada
Tue., May 13 - Sat., May 17
YYZ
Pearson Intl.
PWM
Portland Intl. Jetport
CA $408 Roundtrip, found 1 day ago
CA $408
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue., May 13 from Pearson Intl. to Portland Intl. Jetport, returning Sat., May 17, priced at CA $408 found 1 day ago

Expedia.ca gives you the best tools to secure great deals on flights to Casco Bay Islands. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Casco Bay Islands. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Casco Bay Islands.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Casco Bay Islands flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Casco Bay Islands.

Looking to save even more? Get additional savings by bundling your Casco Bay Islands flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Casco Bay Islands trip!

Frequently asked questions

How do I find cheap flights to Casco Bay Islands that have flexible change policies?
We understand that travel schedules can change from one day to the next, so choosing a flexible ticket with Expedia is a wise idea. Simply check the “No change fee” box below the “Flexible change policies” filter. Your low-priced, flexible flight to Casco Bay Islands is only a few clicks away.
Which airlines fly to Casco Bay Islands?
Pack your suitcase and take your pick of these well-known airlines that offer flights into or near Casco Bay Islands:

  • United Airlines - 316 flights to or near Casco Bay Islands each month, including 316 flights to Portland Intl. Jetport Airport (PWM) per month.
  • Delta Air Lines - 294 flights to or near Casco Bay Islands each month, including 294 flights to Portland Intl. Jetport Airport (PWM) per month.
  • American Airlines - 290 flights to or near Casco Bay Islands each month, including 290 flights to Portland Intl. Jetport Airport (PWM) per month.

How can I find cheap tickets to Casco Bay Islands?
An effective strategy for walking away with cheap tickets is to be flexible with your dates. Begin with searching for your flight to Casco Bay Islands, then click on the “flexible dates” box to see prices for nearby days. Another good tip? Book ahead of time. To give you an idea of fares, CA $281 was the lowest price for a flight to Casco Bay Islands in the last seven days.
How much is a flight to Casco Bay Islands?
If you were jetting one way from Buffalo (BUF), you could’ve snapped up a bargain fare for just CA $140 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only CA $281 to CA $408 over the same period.
What are the most popular airports to fly into in Casco Bay Islands?
Portland Intl. Jetport Airport (PWM) is the main jumping-off point for those eager to visit Casco Bay Islands. Roughly 1,140 flights per month land at this airport.
When is the cheapest time to fly to Casco Bay Islands?
Jet off early on in the week to land a bargain fare to Casco Bay Islands. Tuesday is generally the most cost-effective day to depart, with Monday a close second. Saturday typically has the highest ticket prices. This is because lots of people prefer to start their getaway on a weekend.
How much is a plane ticket to Casco Bay Islands?
In the last seven days, flights to Casco Bay Islands varied between CA $281 and CA $408. Prices generally depend on the time of departure, airline, cabin class and when you make your booking.
What months are the cheapest to book a flight to Casco Bay Islands?
February is the cheapest month to lock in a seat for your Casco Bay Islands trip. Tickets are priciest during the month of December, so steer clear of this time if you can.
Flights to Casco Bay Islands information
Destination airport
Portland Intl. Jetport
Destination airport IATA code
PWM
Destination city name
Portland
Roundtrip price
CA $281

Trending flights to Casco Bay Islands

Prices were available within the past 7 days and start at CA $140 for one-way flights and CA $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue., Jun. 10 - Tue., Jun. 10
YYZ
Pearson Intl.
PWM
Portland Intl. Jetport
CA $400 Roundtrip, found 3 days ago
CA $400
Roundtrip
found 3 days ago
Select Delta flight, departing Tue., Jun. 10 from Pearson Intl. to Portland Intl. Jetport, returning Tue., Jun. 10, priced at CA $400 found 3 days ago
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