￥42,670 Cheap Flights to Casco Bay Islands, ME

View ￥42,670 flight on Sat, Nov 15, 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 ￥42,670 for one-way flights and ￥55,970 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 15 - Sun, Nov 16
DTW
Detroit
PWM
Portland
￥55,970 Roundtrip, found 1 day ago
￥55,970
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 15 from Detroit to Portland, returning Sun, Nov 16, priced at ￥55,970 found 1 day ago
American Airlines
Sat, Nov 15 - Sun, Nov 16
DTW
Detroit
PWM
Portland
￥63,260 Roundtrip, found 1 day ago
￥63,260
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 15 from Detroit to Portland, returning Sun, Nov 16, priced at ￥63,260 found 1 day ago
United
Sat, Nov 8 - Sun, Nov 9
DTW
Detroit
PWM
Portland
￥63,910 Roundtrip, found 1 day ago
￥63,910
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Detroit to Portland, returning Sun, Nov 9, priced at ￥63,910 found 1 day ago
Alaska Airlines
Tue, Nov 11 - Sun, Nov 16
OAK
Oakland
PWM
Portland
￥135,490 Roundtrip, found 1 day ago
￥135,490
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Oakland to Portland, returning Sun, Nov 16, priced at ￥135,490 found 1 day ago
KLM
Tue, Oct 28 - Sat, Nov 1
CDG
Paris
PWM
Portland
￥175,090 Roundtrip, found 1 day ago
￥175,090
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Oct 28 from Paris to Portland, returning Sat, Nov 1, priced at ￥175,090 found 1 day ago

Find the cheapest month to fly from Columbus (CMH) to Portland (PWM)

September is typically the cheapest month to fly

From ￥18,670 - ￥49,782 per traveler.

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, ￥55,970 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 Detroit (DTW), you could've snapped up a bargain fare for just ￥42,670 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only ￥55,970 to ￥175,090 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.
How much is a plane ticket to Casco Bay Islands?
In the last seven days, flights to Casco Bay Islands varied between ￥55,970 and ￥175,090. 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.

Book with confidence

Expedia is the largest online travel agency which means that Expedia have access to cheap airline tickets. So make sure you check Expedia regularly for these bargain flights because the cheapest airline ticket deals sell out fast.

If you're looking to save even more, find additional savings by combining your Casco Bay Islands flight with a hotel to create a personalized bargain travel package. Early birds can discover fantastic savings by booking in advance, while last minute travelers can enjoy great last minute deals. With Expedia, there’s no shortage of options to save even more on your Casco Bay Islands trip!

Travel information

Destination airport
Portland Intl. Jetport
Destination airport IATA code
PWM
Destination city name
Portland
Roundtrip price
￥55,970

Trending flights to Casco Bay Islands

Prices were available within the past 7 days and start at ￥42,670 for one-way flights and ￥55,970 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Tue, Oct 28
HND
Tokyo
PWM
Portland
￥110,270 Roundtrip, found 6 days ago
￥110,270
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Tokyo to Portland, returning Tue, Oct 28, priced at ￥110,270 found 6 days ago

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