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Cheap Flights to Casco Bay Islands from HK$6,218

View HK$6,218 flight on Thu, 24 Sept 2026Opens 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$6,218 for one-way flights and HK$9,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 24 Sept - Tue, 6 Oct
HKG
Hong Kong SAR
PWM
Portland
HK$9,068 Return, found 5 days ago
HK$9,068
Return
found 5 days ago
Select Delta flight, departing Thu, 24 Sept from Hong Kong SAR to Portland, returning Tue, 6 Oct, priced at HK$9,068 found 5 days ago
Korean Air
Thu, 24 Sept - Tue, 6 Oct
HKG
Hong Kong SAR
PWM
Portland
HK$9,075 Return, found 5 days ago
HK$9,075
Return
found 5 days ago
Select Korean Air flight, departing Thu, 24 Sept from Hong Kong SAR to Portland, returning Tue, 6 Oct, priced at HK$9,075 found 5 days ago
China Airlines
Thu, 9 Jul - Thu, 16 Jul
HKG
Hong Kong SAR
PWM
Portland
HK$12,843 Return, found 22 hours ago
HK$12,843
Return
found 22 hours ago
Select China Airlines flight, departing Thu, 9 Jul from Hong Kong SAR to Portland, returning Thu, 16 Jul, priced at HK$12,843 found 22 hours ago
United
Thu, 24 Sept - Tue, 6 Oct
HKG
Hong Kong SAR
PWM
Portland
HK$12,944 Return, found 5 days ago
HK$12,944
Return
found 5 days ago
Select United flight, departing Thu, 24 Sept from Hong Kong SAR to Portland, returning Tue, 6 Oct, priced at HK$12,944 found 5 days ago
Swiss International Air Lines
Thu, 9 Jul - Thu, 16 Jul
HKG
Hong Kong SAR
PWM
Portland
HK$13,727 Return, found 22 hours ago
HK$13,727
Return
found 22 hours ago
Select Swiss International Air Lines flight, departing Thu, 9 Jul from Hong Kong SAR to Portland, returning Thu, 16 Jul, priced at HK$13,727 found 22 hours ago

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$9,068 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 Hong Kong SAR (HKG), you could've snapped up a bargain fare for just HK$6,218 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only HK$9,068 to HK$13,727 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$9,068 and HK$13,727. 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$9,068

Trending flights to Casco Bay Islands

Prices were available within the past 7 days and start at HK$6,218 for one-way flights and HK$9,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 24 Sept - Tue, 6 Oct
HKG
Hong Kong SAR
PWM
Portland
HK$9,068 Return, found 5 days ago
HK$9,068
Return
found 5 days ago
Select Delta flight, departing Thu, 24 Sept from Hong Kong SAR to Portland, returning Tue, 6 Oct, priced at HK$9,068 found 5 days ago

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