Cheap Flights from Boston (BOS) to Formosa (FMA)

Popular airlines from Logan International Airport (BOS) to Formosa (FMA-Formosa Intl.)

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA) cost?
Grab a cheap one-way flight or cheap return flight from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between BOS and FMA. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BOS to FMA flight.
How many flights per day from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA)?
Direct flights from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to FMA?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA) last-minute?
Last-minute fares from BOS to FMA are typically more expensive. To secure the best prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book a BOS to FMA flight and hotel package?
Opting for a BOS to FMA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Formosa Intl. Airport (FMA)?
You can usually reschedule or cancel your BOS to FMA flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Formosa Intl.
Distance
4807 mi

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Boston to Formosa Flights

The cheapest times to fly from Boston to Formosa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Formosa are during the month of . You can find some of the cheapest flights from Boston to Formosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Formosa

Sunday is one of the best days to book for cheap flights from Boston to Formosa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Formosa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Formosa in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Formosa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Formosa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

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

 

Boston to Formosa Flights

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*Available to One Key members.