Cheap Flights from Boston to Unalaska
No deal from Boston to Unalaska has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Boston to Unalaska, the lowest round-trip fare we recorded was $2388, in October. The typical fare was $2833. October was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $2474 on Alaska and Sterling Airways-Aleutian Airways, seen Oct 27. It is an unverified observation and may have changed.
See every deal <a href="/from/boston">from Boston</a>, <a href="/to/unalaska">to Unalaska</a>, or the return direction <a href="/from/unalaska/to/boston">Unalaska to Boston</a>.
Latest price we saw: Boston to Unalaska
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Boston (BOS) to Unalaska (DUT) | $2474 | 29.9¢ | Oct 29 – Nov 4 | Alaska and Sterling Airways-Aleutian Airways | Oct 27 | Check price |
Price history: Boston to Unalaska
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $2388 | $2656 | 17 |
| Sep 2026 | $2691 | $2940 | 16 |
| Aug 2026 | $2397 | $2860 | 22 |
| Jul 2026 | $2877 | $2877 | 1 |
Frequently asked questions
How many flight deals from Boston to Unalaska are on Sparkflights right now?
There are 0 verified deals from Boston to Unalaska on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Boston to Unalaska?
The lowest fare we've recorded from Boston to Unalaska is $2388, based on 56 price observations over 4 months.
How much does a flight from Boston to Unalaska cost?
The typical round-trip fare we observed from Boston to Unalaska is $2833, against a recorded low of $2388. These are observations, not quotes.
When is the cheapest month to fly Boston to Unalaska?
October was the cheapest month we observed from Boston to Unalaska and July the dearest, over 4 months of data.
What is the current price from Boston to Unalaska?
The most recent fare our sweep saw from Boston to Unalaska is $2474, on Oct 27. It is an unverified observation rather than a verified deal, so check it before booking.