Cheap Flights to Casco Bay Islands

View NZ$412 flight on Thu, 25 Sep. 2025Opens in a new window

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Cheap Tickets to Casco Bay Islands

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 25 Sep. - Mon, 6 Oct.
TYS
Knoxville
PWM
Portland
NZ$427 Return, found 14 hours ago
NZ$427
Return
found 14 hours ago
Select American Airlines flight, departing Thu, 25 Sep. from Knoxville to Portland, returning Mon, 6 Oct., priced at NZ$427 found 14 hours ago
American Airlines
Thu, 25 Sep. - Mon, 6 Oct.
TYS
Knoxville
PWM
Portland
NZ$509 Return, found 14 hours ago
NZ$509
Return
found 14 hours ago
Select American Airlines flight, departing Thu, 25 Sep. from Knoxville to Portland, returning Mon, 6 Oct., priced at NZ$509 found 14 hours ago
American Airlines
Thu, 25 Sep. - Mon, 6 Oct.
TYS
Knoxville
PWM
Portland
NZ$543 Return, found 14 hours ago
NZ$543
Return
found 14 hours ago
Select American Airlines flight, departing Thu, 25 Sep. from Knoxville to Portland, returning Mon, 6 Oct., priced at NZ$543 found 14 hours ago
Delta
Thu, 25 Sep. - Mon, 6 Oct.
TYS
Knoxville
PWM
Portland
NZ$812 Return, found 14 hours ago
NZ$812
Return
found 14 hours ago
Select Delta flight, departing Thu, 25 Sep. from Knoxville to Portland, returning Mon, 6 Oct., priced at NZ$812 found 14 hours ago
United
Thu, 25 Sep. - Mon, 6 Oct.
TYS
Knoxville
PWM
Portland
NZ$852 Return, found 14 hours ago
NZ$852
Return
found 14 hours ago
Select United flight, departing Thu, 25 Sep. from Knoxville to Portland, returning Mon, 6 Oct., priced at NZ$852 found 14 hours ago

Casco Bay Islands Flights

The Casco Bay Islands experience you’ve always wanted

Catching a flight to Casco Bay Islands is easier than it’s ever been when you use Expedia to plan your escape. A great holiday starts with great selection, and we have an amazing amount of Casco Bay Islands flight deals. A quick search on Expedia.co.nz will show you cheap tickets to Casco Bay Islands in mere moments, from overnight flights to weekend getaways. Trying to earn frequent flyer points? We even make it easy for you to stay loyal to your preferred airline.

Been a while since you’ve travelled?

If you haven’t flown recently, you might like some insider information. In fact, even seasoned travellers should check out our blog. Featuring hundreds of articles written by our very own experts, our blog keeps you informed about all the fantastic attractions and things to do in the world’s most popular destinations, so you know just what to pack. Get ready for great advice on trip preparation and seeing the sights—then get ready to fly!

Bundle your room and flight to travel for less

Package your flights with your hotel booking in Casco Bay Islands, and your trip will become even cheaper. By making all of your reservations with us, you’ll save money and time, plus have the peace of mind that comes with booking all of your arrangements in one place. It may seem like magic, but it’s just the Expedia.co.nz way.

A holiday at the tips of your fingers

Take the high-tech road when you use our Expedia app to plan your holiday to Casco Bay Islands. Our handy app allows you to reserve flights and hotels at any time of day, on any type of phone, because it’s available on both Android and iOS. You’ll also benefit from exclusive deals, have a chance to earn extra points, and can keep your itinerary at your fingertips. No matter where you are, count on our app to help you get where you’re going.

Register for Frequent Flyer Rewards

If you enjoy being pampered every once in a while, register with our Expedia Rewards program to get exclusive offers and discounts you won’t find anywhere else. Expedia Rewards grants you member-only benefits, plus price guarantees on your room rates. We can even help you rack up frequent flyer points more quickly. Plus, by signing up, you can book our Unreal Deals, which, when bundled with your room, could save you the cost of a whole plane ticket.

Start planning and start packing

Expedia.co.nz makes it easy to find cheap flights to Casco Bay Islands NZ$427. With such amazing deals, why wait any longer to book your trip? Start searching today, and we’ll see you soon in Casco Bay Islands.

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, NZ$427 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 Knoxville (TYS), you could've snapped up a bargain fare for just NZ$412 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only NZ$427 to NZ$852 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 NZ$427 and NZ$852. 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
Return price
NZ$427
*Available to Expedia members.