Cheap Flights to Casco Bay Islands

View ฿17,640 flight on Fri, 7 Nov 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 ฿17,640 for one-way flights and ฿34,065 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 14 Nov - Sun, 16 Nov
BKK
Bangkok
PWM
Portland
฿34,065 Return, found 1 day ago
฿34,065
Return
found 1 day ago
Select Air Canada flight, departing Fri, 14 Nov from Bangkok to Portland, returning Sun, 16 Nov, priced at ฿34,065 found 1 day ago
American Airlines
Thu, 18 Sept - Mon, 22 Sept
BKK
Bangkok
PWM
Portland
฿42,900 Return, found 3 days ago
฿42,900
Return
found 3 days ago
Select American Airlines flight, departing Thu, 18 Sept from Bangkok to Portland, returning Mon, 22 Sept, priced at ฿42,900 found 3 days ago
Japan Airlines
Sat, 20 Sept - Tue, 23 Sept
BKK
Bangkok
PWM
Portland
฿43,150 Return, found 4 days ago
฿43,150
Return
found 4 days ago
Select Japan Airlines flight, departing Sat, 20 Sept from Bangkok to Portland, returning Tue, 23 Sept, priced at ฿43,150 found 4 days ago
Qatar Airways
Tue, 23 Sept - Tue, 21 Oct
BKK
Bangkok
PWM
Portland
฿43,180 Return, found 3 days ago
฿43,180
Return
found 3 days ago
Select Qatar Airways flight, departing Tue, 23 Sept from Bangkok to Portland, returning Tue, 21 Oct, priced at ฿43,180 found 3 days ago
United
Sun, 5 Oct - Wed, 29 Oct
BKK
Bangkok
PWM
Portland
฿45,970 Return, found 2 days ago
฿45,970
Return
found 2 days ago
Select United flight, departing Sun, 5 Oct from Bangkok to Portland, returning Wed, 29 Oct, priced at ฿45,970 found 2 days ago

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

May is typically the cheapest month to fly

From ฿4,243 - ฿12,167 per traveller.

Flights to Casco Bay Islands

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 Casco Bay Islands. Expedia provides the cheapest flights to Casco Bay Islands and you may find even greater savings if you combine your flight to Casco Bay Islands with a hotel stay. Travellers who are flexible about flight times can benefit from last minute cheap flights to Casco Bay Islands.

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.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Casco Bay Islands for that period and let you choose your preferred time and airline.

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, ฿34,065 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 Bangkok (BKK), you could've snapped up a bargain fare for just ฿17,640 in the last seven days. Round-trip journeys to Casco Bay Islands ranged from only ฿34,065 to ฿45,970 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 ฿34,065 and ฿45,970. 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
฿34,065

Trending flights to Casco Bay Islands

Prices were available within the past 7 days and start at ฿17,640 for one-way flights and ฿34,065 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 14 Nov - Sun, 16 Nov
BKK
Bangkok
PWM
Portland
฿34,065 Return, found 1 day ago
฿34,065
Return
found 1 day ago
Select Air Canada flight, departing Fri, 14 Nov from Bangkok to Portland, returning Sun, 16 Nov, priced at ฿34,065 found 1 day ago
*Available to Expedia members.