$452+ Cheap flights from Boston to Lewiston, ID (BOS - LWS)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LWS
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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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
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Cheapest flights from Boston to LewistonExplore the most affordable flight options available from Boston to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from Boston to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:05 am
BOS
- LWS
1 stop8h 24m
Delta
Sat 10/249:15 am
LWS
- BOS
1 stop9h 55m
Delta
Deal found 7/3![Delta logo]()
$452
Best flights from Boston to LewistonDiscover carefully curated flight deals from Boston to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from Boston to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:05 am
BOS
- LWS
1 stop8h 24m
Delta
Sat 10/249:15 am
LWS
- BOS
1 stop9h 55m
Delta
Deal found 7/3![Delta logo]()
$452
Find flight deals from Boston to Lewiston
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Lewiston (LWS). 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 July 3, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $461 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Lewiston 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 July 3, 2026.
Use the filters below to find and compare flights from Boston to Lewiston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonLewiston
BOS - LWS
BOSLWS
Boston Logan Intl
Sat 10/17
6:05 am-11:29 am
1 stop8h 24m
Lewiston Nez Perce Rgnl
Sat 10/24
9:15 am-10:10 pm
1 stop9h 55m
$452
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Boston-Lewiston, Idaho flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boston-Lewiston, Idaho flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Boston-Lewiston, Idaho flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Lewiston, Idaho flights, Cheapflights users trust Expedia the most. Expedia 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-Lewiston, Idaho 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 Lewiston
Have a flexible travel schedule? Discover the best time to fly to Lewiston from Boston with our price prediction graph.
BOS-LWS
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
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