$65 Cheap Flights to Great Diamond Island, ME

Popular airlines

How much is the cheapest flight to Great Diamond Island?

Prices were available within the past 7 days and start at $65 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
JetBlue Airways
Delta
United
Breeze Airways

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

May is typically the cheapest month to fly

From $131 - $376 per traveler.

Graph displaying average flight prices per month

Alternative airports near Great Diamond Island

Prices were available within the past 7 days. Prices and availability are subject to change.

Tips to find the cheapest flights to Great Diamond Island

The cheapest day to fly

Get started finding a cheap flight to Great Diamond Island on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

September is the cheapest month to fly to Great Diamond Island. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Great Diamond Island. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Great Diamond Island, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Great Diamond Island

The lowest price for round-trip flights to Great Diamond Island in 2025 starts from from $117, while one-way tickets start from from $65. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Great Diamond Island. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Great Diamond Island

Breeze Airways, American Airlines, JetBlue Airways, United, Delta are just some of the airlines that can typically offer cheap tickets to Great Diamond Island. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Great Diamond Island and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Great Diamond Island, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Great Diamond Island. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Great Diamond Island plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Great Diamond Island

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Great Diamond Island.

Stopover savings

The cheapest tickets to Great Diamond Island are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Great Diamond Island. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Great Diamond Island for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Great Diamond Island. Simply download the free Expedia app to your smart device and activate Great Diamond Island flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Great Diamond Island. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Great Diamond Island?
Schedule your trip for September if you want to land a good price on your fare. It's the cheapest month to fly to Great Diamond Island. If possible, avoid traveling during busy periods such as major public holidays or events.
Which US cities have the cheapest flights to Great Diamond Island?
Get cheap flights to Great Diamond Island from Washington, New York and Philadelphia. These cities typically offer the best fares to this destination. But keep in mind that seasonality, demand and stopovers will also have an impact on rates, so stay flexible and book when prices are right.
Which US cities fly direct to Great Diamond Island?
You can fly to Great Diamond Island without any stops from 12 US cities. To find a nonstop journey, use the "Direct flights only" filter when looking for flights to Great Diamond Island on Expedia. Then, explore your options and pick the best departure from any of these cities:

  • Washington
  • New York
  • Philadelphia
  • Baltimore
  • Newark

How to find a cheap flight to Great Diamond Island?
Making travel plans in the low season and booking early are two easy ways to get cheap flights to Great Diamond Island. Or, consider flying on a Thursday, which, on average, is 16% cheaper than departing on a Sunday.* Want to be the first to know as soon as fares fall? Set up price tracking on the Expedia app for real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Great Diamond Island?
Staying flexible about your travel plans can help you to secure last-minute offers on cheap flights to Great Diamond Island. To see all the available options, try exploring different ticket types, tweaking your Great Diamond Island vacation dates, jetting out of an alternative airport or going with another airline.
How far in advance should I book a flight to Great Diamond Island?
Lock in your flight to Great Diamond Island two to four months ahead if you're jetting in from an international destination. For domestic travel, the general guideline is 28 days in advance. Cheaper fares and a greater choice of travel dates, schedules and seating options are just some of the awesome benefits of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Great Diamond Island?
You can save an average of 8% if you purchase tickets on a Sunday instead of Fridays, which tend to be the priciest day to book.* When it comes to getting a cheap flight to Great Diamond Island, the key is good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Great Diamond Island?
You can choose from a variety of airlines that operate flights to Great Diamond Island. Some of your top options are:

  • American Airlines - 260 flights to Great Diamond Island each month, including 260 flights to Portland Intl. Jetport Airport (PWM) per month.
  • United Airlines - 234 flights to Great Diamond Island each month, including 234 flights to Portland Intl. Jetport Airport (PWM) per month.
  • Delta Air Lines - 212 flights to Great Diamond Island each month, including 212 flights to Portland Intl. Jetport Airport (PWM) per month.

Where do you fly into Great Diamond Island?
When flying to Great Diamond Island, the main airport to touch down at is Portland Intl. Jetport Airport (PWM). You can also head for nearby hubs like Augusta State Airport (AUG), Brunswick, ME (NHZ-Brunswick Executive) or Auburn, ME (LEW-Auburn - Lewiston Municipal). Another option to think about when you fly to Great Diamond Island is Wiscasset, ME (ISS).
Can I save money by booking a Great Diamond Island trip package?
You could potentially save hundreds of dollars if you lock in a Great Diamond Island flight and hotel package deal on Expedia. And you'll make life easier by having all your travel plans in the same place. Try bundling flights and hotels with extras such as tours and activities for your own customized Great Diamond Island trip.
Can I change or cancel my flight to Great Diamond Island?
You can typically change or cancel your flight to Great Diamond Island within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may be issued credit for a future trip rather than a direct refund. Remember to check the airline's terms and conditions in your itinerary for exact details. Use Expedia's "No cancel fee" or "Changes included" filters when you search to secure cheap flights to Great Diamond Island with flexible change policies. To learn more, visit our Customer Service Portal.
Flights to Great Diamond Island information
Destination airport
Portland Intl. Jetport
Destination airport IATA code
PWM
Destination city name
Portland
Roundtrip price
$117

Trending flights to Great Diamond Island

Prices were available within the past 7 days and start at $65 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United

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*Available to One Key members.