$143 Cheap Alaska Airlines flights Las Vegas (LAS) to Boston (BOS)

View $143 flight on Wed, Sep 10, 2025Opens in a new window

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$143 Cheap Alaska Airlines flights Las Vegas (LAS) to Boston (BOS)

Prices were available within the past 7 days and start at $143 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Sep 26 - Sat, Sep 27
LAS
Las Vegas
BOS
Boston
$281 Roundtrip, found 10 hours ago
$281
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Fri, Sep 26 from Las Vegas to Boston, returning Sat, Sep 27, priced at $281 found 10 hours ago
Flights from Las Vegas (LAS) to Boston (BOS)
Origin airport
Harry Reid Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
JetBlue Airways
Distance
2374 mi
Average flight time
9 hours 17 mins

Frequently asked questions

How much is an Alaska Airlines flight from Harry Reid Intl. Airport (LAS) to Logan Intl. Airport (BOS)?
Grab cheap round-trip Alaska Airlines flights from $281 from LAS to BOS by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $143 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAS to BOS with Alaska Airlines?
Search for one-way or round-trip flights to Boston in January or February. You could find a cheap fare with Alaska Airlines during these off-peak months.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to Logan Intl. Airport (BOS) with Alaska Airlines?
Look for cheap Alaska Airlines flights from Harry Reid Intl. Airport (LAS) to Logan Intl. Airport (BOS) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to Logan Intl. Airport (BOS)?
Simply enter your dates, click search and check the "Nonstop" filter on Expedia to browse any direct flights from LAS to BOS with Alaska Airlines or another carrier.
What is the earliest Alaska Airlines flight from LAS to BOS?
Sort your results by "Early Morning" and "Morning" to browse the earliest flights from LAS to BOS. Taking off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Boston?
Logan Intl. Airport (BOS) is the primary Boston hub for Alaska Airlines flights from Harry Reid Intl. Airport (LAS).
Why fly with Alaska Airlines from LAS to BOS?
Jetting off from LAS to BOS with Alaska Airlines comes with a variety of perks, such as a rewarding loyalty program and top-tier customer service. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Harry Reid Intl. Airport (LAS) to Logan Intl. Airport (BOS)?
It's usually possible to cancel or modify your flight, although additional fees may apply if your booking was made over 24 hours ago. Need flexible options? Apply the "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to revise your plans. To modify your itinerary, head to "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.