Cheap Flights to Casco Bay Islands from HK$895

View HK$895 flight on Wed, 3 Dec 2025Opens in a new window

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Cheap round-trip flights to Casco Bay Islands

Prices were available within the past 7 days and start at HK$895 for one-way flights and HK$1,725 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 3 Dec - Sat, 13 Dec
ORD
Chicago
PWM
Portland
HK$1,725 Return, found 5 days ago
HK$1,725
Return
found 5 days ago
Select Delta flight, departing Wed, 3 Dec from Chicago to Portland, returning Sat, 13 Dec, priced at HK$1,725 found 5 days ago
Delta
Sat, 6 Dec - Tue, 9 Dec
ORD
Chicago
PWM
Portland
HK$1,779 Return, found 16 hours ago
HK$1,779
Return
found 16 hours ago
Select Delta flight, departing Sat, 6 Dec from Chicago to Portland, returning Tue, 9 Dec, priced at HK$1,779 found 16 hours ago
Delta
Wed, 3 Dec - Thu, 4 Dec
ORD
Chicago
PWM
Portland
HK$1,940 Return, found 16 hours ago
HK$1,940
Return
found 16 hours ago
Select Delta flight, departing Wed, 3 Dec from Chicago to Portland, returning Thu, 4 Dec, priced at HK$1,940 found 16 hours ago
United
Tue, 2 Dec - Sun, 7 Dec
ORD
Chicago
PWM
Portland
HK$2,175 Return, found 5 days ago
HK$2,175
Return
found 5 days ago
Select United flight, departing Tue, 2 Dec from Chicago to Portland, returning Sun, 7 Dec, priced at HK$2,175 found 5 days ago
American Airlines
Wed, 3 Dec - Thu, 4 Dec
ORD
Chicago
PWM
Portland
HK$2,296 Return, found 16 hours ago
HK$2,296
Return
found 16 hours ago
Select American Airlines flight, departing Wed, 3 Dec from Chicago to Portland, returning Thu, 4 Dec, priced at HK$2,296 found 16 hours ago

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

September is typically the cheapest month to fly

From HK$981 - HK$2,848 per traveller.

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, HK$1,725 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 Chicago (ORD), you could've snapped up a bargain fare for just HK$895 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only HK$1,725 to HK$2,296 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 HK$1,725 and HK$2,296. 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.

Travel information

Destination airport
Portland Intl. Jetport
Destination airport IATA code
PWM
Destination city name
Portland
Return price
HK$1,725

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