$904+ Cheap flights from Boston to Sitka (BOS - SIT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIT
Sep 18 — Sep 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Sitka with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Sitka
Cheapest
Best
Last-minute
Cheapest flights from Boston to SitkaExplore the most affordable flight options available from Boston to Sitka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from Boston to Sitka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:13 am -
3 stops19h 45m
Tue 11/311:38 am -
2 stops14h 02m
Deal found 8/16![Alaska Airlines logo]()
$904
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:42 pm -
2 stops23h 08m
Sun 9/611:23 am -
2 stops23h 05m
Deal found 8/18![Alaska Airlines logo]()
$1,145
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:00 am -
2 stops29h 40m
Sun 8/237:28 pm -
2 stops24h 26m
Deal found 8/15![Alaska Airlines logo]()
$1,535
Best flights from Boston to SitkaDiscover carefully curated flight deals from Boston to Sitka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Boston to Sitka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:13 am -
3 stops19h 45m
Tue 11/36:00 am -
3 stops19h 40m
Deal found 8/16![Alaska Airlines logo]()
$904
Last-minute flights from Boston to SitkaDiscover last-minute flight deals from Boston to Sitka. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sitka. Data last updated August 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:42 pm -
2 stops23h 08m
Sun 9/611:23 am -
2 stops23h 05m
Deal found 8/18![Alaska Airlines logo]()
$1,145
Find flight deals from Boston to Sitka
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sitka (SIT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $904 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Sitka that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 19, 2026.
Use the filters below to find and compare flights from Boston to Sitka that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonSitka
BOS Boston Logan Intl - SIT Sitka
BOSSIT
Boston Logan Intl
Sun 11/1
7:13 am-10:58 pm
3 stops19h 45m
Sitka
Tue 11/3
6:00 am-5:40 am
3 stops19h 40m
$904
Sorted by cheapest first
Compare providers for flights from Boston to Sitka
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sitka in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Sitka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sitka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sitka flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Sitka flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Sitka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Sitka
Have a flexible travel schedule? Discover the best time to fly to Sitka from Boston with our price prediction graph.
BOS-SIT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Boston to Sitka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Popular flights
Sitka flight routes