Cheap Flights to Casco Bay Islands

View ₩177,600 flight on Thu, Sep 11, 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 ₩177,600 for one-way flights and ₩438,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 11 - Mon, Sep 15
DCA
Washington
PWM
Portland
₩438,700 Roundtrip, found 1 day ago
₩438,700
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 11 from Washington to Portland, returning Mon, Sep 15, priced at ₩438,700 found 1 day ago
Delta
Tue, Aug 5 - Tue, Aug 12
DCA
Washington
PWM
Portland
₩461,700 Roundtrip, found 1 day ago
₩461,700
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 5 from Washington to Portland, returning Tue, Aug 12, priced at ₩461,700 found 1 day ago
United
Tue, Aug 5 - Tue, Aug 12
DCA
Washington
PWM
Portland
₩475,500 Roundtrip, found 1 day ago
₩475,500
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from Washington to Portland, returning Tue, Aug 12, priced at ₩475,500 found 1 day ago
Korean Air
Mon, Sep 15 - Mon, Sep 22
ICN
Seoul
PWM
Portland
₩2,143,636 Roundtrip, found 8 hours ago
₩2,143,636
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Mon, Sep 15 from Seoul to Portland, returning Mon, Sep 22, priced at ₩2,143,636 found 8 hours ago
Etihad Airways
Fri, Sep 19 - Sat, Oct 18
ICN
Seoul
PWM
Portland
₩2,284,900 Roundtrip, found 3 days ago
₩2,284,900
Roundtrip
found 3 days ago
Select Etihad Airways flight, departing Fri, Sep 19 from Seoul to Portland, returning Sat, Oct 18, priced at ₩2,284,900 found 3 days ago

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

May is typically the cheapest month to fly

From ₩182,395 - ₩522,529 per traveler.

Graph displaying average flight prices per month

Searching for cheap flights to Casco Bay Islands? No travel company presents more choices than Expedia if you're looking to compare flights to Casco Bay Islands. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Maine. Expedia provides the cheapest flights to many destinations in Maine and you may find even greater savings if you combine your flight with a hotel stay 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, ₩438,700 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 Washington (DCA), you could've snapped up a bargain fare for just ₩177,600 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only ₩438,700 to ₩2,284,900 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 ₩438,700 and ₩2,284,900. 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
₩438,700

Trending flights to Casco Bay Islands

Prices were available within the past 7 days and start at ₩177,600 for one-way flights and ₩438,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 18 - Mon, Aug 25
ICN
Seoul
PWM
Portland
₩1,337,100 Roundtrip, found 4 hours ago
₩1,337,100
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Aug 18 from Seoul to Portland, returning Mon, Aug 25, priced at ₩1,337,100 found 4 hours ago
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