$1,591 Cheap Flights from Boston (BOS) to Saipan (SPN)

View $1,591 flight on Fri, Nov 28, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Saipan (SPN-Saipan Intl.)

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Cheap Flights from Boston to Saipan (BOS-SPN)

Prices were available within the past 7 days and start at $1,591 for one-way flights and $2,244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, May 4 - Mon, May 18
BOS
Boston
SPN
Saipan
$2,244 Roundtrip, found 5 hours ago
$2,244
Roundtrip
found 5 hours ago
Select United flight, departing Mon, May 4 from Boston to Saipan, returning Mon, May 18, priced at $2,244 found 5 hours ago
United
Thu, Nov 13 - Thu, Nov 20
BOS
Boston
SPN
Saipan
$2,246 Roundtrip, found 2 days ago
$2,246
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 13 from Boston to Saipan, returning Thu, Nov 20, priced at $2,246 found 2 days ago
United
Thu, Nov 13 - Thu, Nov 20
BOS
Boston
SPN
Saipan
$2,249 Roundtrip, found 2 days ago
$2,249
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 13 from Boston to Saipan, returning Thu, Nov 20, priced at $2,249 found 2 days ago
United
Sun, May 3 - Mon, May 18
BOS
Boston
SPN
Saipan
$2,251 Roundtrip, found 5 hours ago
$2,251
Roundtrip
found 5 hours ago
Select United flight, departing Sun, May 3 from Boston to Saipan, returning Mon, May 18, priced at $2,251 found 5 hours ago
United
Fri, Apr 10 - Mon, Apr 27
BOS
Boston
SPN
Saipan
$2,287 Roundtrip, found 2 days ago
$2,287
Roundtrip
found 2 days ago
Select United flight, departing Fri, Apr 10 from Boston to Saipan, returning Mon, Apr 27, priced at $2,287 found 2 days ago
United
Mon, May 4 - Fri, May 22
BOS
Boston
SPN
Saipan
$2,289 Roundtrip, found 5 hours ago
$2,289
Roundtrip
found 5 hours ago
Select United flight, departing Mon, May 4 from Boston to Saipan, returning Fri, May 22, priced at $2,289 found 5 hours ago
United
Thu, Feb 12 - Sat, Feb 21
BOS
Boston
SPN
Saipan
$2,291 Roundtrip, found 5 days ago
$2,291
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 12 from Boston to Saipan, returning Sat, Feb 21, priced at $2,291 found 5 days ago
United
Thu, Feb 12 - Sat, Feb 21
BOS
Boston
SPN
Saipan
$2,294 Roundtrip, found 5 days ago
$2,294
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 12 from Boston to Saipan, returning Sat, Feb 21, priced at $2,294 found 5 days ago
United
Sun, May 3 - Fri, May 22
BOS
Boston
SPN
Saipan
$2,296 Roundtrip, found 5 hours ago
$2,296
Roundtrip
found 5 hours ago
Select United flight, departing Sun, May 3 from Boston to Saipan, returning Fri, May 22, priced at $2,296 found 5 hours ago
United
Fri, Apr 10 - Mon, Apr 27
BOS
Boston
SPN
Saipan
$2,304 Roundtrip, found 2 days ago
$2,304
Roundtrip
found 2 days ago
Select United flight, departing Fri, Apr 10 from Boston to Saipan, returning Mon, Apr 27, priced at $2,304 found 2 days ago

Find the cheapest month to fly from Boston (BOS) to Saipan (SPN)

January is typically the cheapest month to fly

From $2,228 - $2,933 per traveler.

Alternative airports near Saipan

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

Select flight to Saipan Intl. SPN. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $2,244
SPN
Saipan Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $2,244

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN) cost?
Secure a cheap one-way flight from $1,591 or cheap return flight from $2,244 from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN)?
Traveling in May can help you save, as it's the cheapest month for flights between BOS and SPN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN)?
To find the cheapest airline that'll fly you from BOS to SPN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN)?
Nonstop flights from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN) 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 dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to SPN?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*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 Saipan Intl. Airport (SPN)?
Select a flight from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Saipan Intl. Airport (SPN) last-minute?
Booking your plane ticket from BOS to SPN shortly before your trip is usually more expensive. However, if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a BOS to SPN flight and hotel package?
You'll generally save money by booking a BOS to SPN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Saipan Intl. Airport (SPN)?
It's usually possible to cancel or reschedule your BOS to SPN flight. However, if the booking was made more than 24 hours ago, additional fees 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 further details on our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Saipan Intl.
Airlines serving
United
Roundtrip price
$2,244
Distance
7829 mi

Book with confidence

Boston to Saipan Flights

The cheapest times to fly from Boston to Saipan

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 Saipan are during the month of May. You can find some of the cheapest flights from Boston to Saipan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Saipan

Sunday is one of the best days to book for cheap flights from Boston to Saipan: 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 Saipan

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 Saipan in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,591 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 Saipan 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 Saipan 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 Saipan Flights

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*Available to One Key members.