$235 Cheap Flights from Boston (BOS) to St. George (SGU)

View $235 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to St. George Regional Airport (SGU)

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Cheap Flights from Boston to St. George (BOS-SGU)

Prices were available within the past 7 days and start at $235 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 4 - Mon, Dec 8
BOS
Boston
SGU
St. George
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Dec 4 from Boston to St. George, returning Mon, Dec 8, priced at $298 found 3 days ago
Delta
Fri, Dec 12 - Mon, Dec 15
BOS
Boston
SGU
St. George
$298 Roundtrip, found 11 hours ago
$298
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Dec 12 from Boston to St. George, returning Mon, Dec 15, priced at $298 found 11 hours ago
American Airlines
Wed, Dec 3 - Mon, Dec 8
BOS
Boston
SGU
St. George
$304 Roundtrip, found 12 hours ago
$304
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Boston to St. George, returning Mon, Dec 8, priced at $304 found 12 hours ago
Delta
Tue, Jan 27 - Wed, Feb 11
BOS
Boston
SGU
St. George
$309 Roundtrip, found 5 days ago
$309
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 27 from Boston to St. George, returning Wed, Feb 11, priced at $309 found 5 days ago
United
Sat, Jan 31 - Wed, Feb 18
BOS
Boston
SGU
St. George
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jan 31 from Boston to St. George, returning Wed, Feb 18, priced at $312 found 4 days ago
United
Mon, Jan 12 - Sun, Jan 18
BOS
Boston
SGU
St. George
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select United flight, departing Mon, Jan 12 from Boston to St. George, returning Sun, Jan 18, priced at $316 found 5 days ago
United
Sat, Jan 31 - Wed, Feb 18
BOS
Boston
SGU
St. George
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jan 31 from Boston to St. George, returning Wed, Feb 18, priced at $318 found 4 days ago
United
Tue, Jan 6 - Tue, Jan 13
BOS
Boston
SGU
St. George
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 6 from Boston to St. George, returning Tue, Jan 13, priced at $319 found 6 days ago
United
Mon, Jan 12 - Sun, Jan 18
BOS
Boston
SGU
St. George
$320 Roundtrip, found 5 days ago
$320
Roundtrip
found 5 days ago
Select United flight, departing Mon, Jan 12 from Boston to St. George, returning Sun, Jan 18, priced at $320 found 5 days ago
United
Mon, Jan 12 - Sun, Jan 18
BOS
Boston
SGU
St. George
$321 Roundtrip, found 5 days ago
$321
Roundtrip
found 5 days ago
Select United flight, departing Mon, Jan 12 from Boston to St. George, returning Sun, Jan 18, priced at $321 found 5 days ago

Find the cheapest month to fly from Boston (BOS) to St. George (SGU)

September is typically the cheapest month to fly

From $298 - $577 per traveler.

Alternative airports near St. George

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

Select flight to St. George Regional Airport SGU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $442
SGU
St. George Regional Airport
CheapestClosest
Average driving time to city center20 min
Flights from $442

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to St. George Airport (SGU) cost?
Snag a cheap one-way flight from $235 or cheap return flight from $298 from Logan Intl. Airport (BOS) to St. George Airport (SGU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to St. George Airport (SGU)?
The cheapest month to fly from BOS to SGU is December, when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to St. George Airport (SGU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BOS to SGU flight.
How many flights per day from Logan Intl. Airport (BOS) to St. George Airport (SGU)?
There aren't any daily nonstop flights from Logan Intl. Airport (BOS) to St. George Airport (SGU). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from BOS to SGU?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 St. George Airport (SGU)?
Select a flight from Logan Intl. Airport (BOS) to St. George Airport (SGU) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**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 St. George Airport (SGU) last-minute?
Holding off until just before your trip to book your flight from BOS to SGU often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a BOS to SGU flight and hotel package?
Securing a BOS to SGU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to St. George Airport (SGU)?
Typically, you can cancel or reschedule your BOS to SGU flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
St. George
Airlines serving
American Airlines, Delta, United
Roundtrip price
$298
Distance
2264 mi

Book with confidence

Boston to St. George Flights

The cheapest times to fly from Boston to St. George

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

 

The best time to book a flight from Boston to St. George

Sunday is one of the best days to book for cheap flights from Boston to St. George: 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 St. George

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 St. George in 2025. You can also book with separate airlines for your outbound and return journeys, from $235 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 St. George 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 St. George 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 St. George Flights

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*Available to One Key members.