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Cheap Flights from Phoenix to Boston

Every verified deal from Phoenix to Boston, ranked by how far the fare falls below its route baseline. Prices are checked against live availability.

Phoenix → Boston

$306 $0.07/mi

United · Economy · Dec 3 – Dec 9 (6n)

On the board right now

Cabin mix: 1 Economy.
Best discount right now: 42% below the route baseline.
Most active airlines: United.
1 deal first seen in the last 24 hours.

Price history: Phoenix to Boston

Lowest observed fare on this corridor over the past year, from our signals database.

$248 — seen Jul 2026
$212 — seen Aug 2026
$228 — seen Aug 2026
$228 — seen Aug 2026 (2 observations)
$228 — seen Aug 2026 (2 observations)
$228 — seen Aug 2026
$278 — seen Aug 2026
$228 — seen Aug 2026
$369 — seen Aug 2026 (20 observations)
$333 — seen Aug 2026 (6 observations)
$407 — seen Aug 2026 (4 observations)
$333 — seen Aug 2026 (6 observations)
$366 — seen Aug 2026 (6 observations)
$322 — seen Aug 2026 (6 observations)
$369 — seen Aug 2026 (6 observations)
$228 — seen Aug 2026
$306 — seen Aug 2026
$369 — seen Aug 2026
$400 — seen Aug 2026 (2 observations)
$374 — seen Aug 2026 (2 observations)
$327 — seen Aug 2026 (2 observations)
$296 — seen Aug 2026
$303 — seen Aug 2026 (14 observations)
$290 — seen Aug 2026
$215 — seen Aug 2026 (13 observations)
$377 — seen Aug 2026
$417 — seen Aug 2026 (2 observations)
$367 — seen Aug 2026 (2 observations)
$327 — seen Aug 2026 (2 observations)
$322 — seen Aug 2026 (3 observations)
$363 — seen Aug 2026
$304 — seen Aug 2026
$338 — seen Aug 2026
$215 — seen Aug 2026 (4 observations)
$324 — seen Aug 2026 (2 observations)
$332 — seen Aug 2026 (2 observations)
$370 — seen Aug 2026
$260 — seen Aug 2026
$336 — seen Aug 2026
$215 — seen Aug 2026 (4 observations)
$384 — seen Aug 2026 (2 observations)
$337 — seen Aug 2026 (2 observations)
$337 — seen Aug 2026 (3 observations)
$260 — seen Aug 2026
$578 — seen Aug 2026
$452 — seen Aug 2026
$384 — seen Aug 2026
$291 — seen Aug 2026 (2 observations)
$837 — seen Aug 2026 (8 observations)
$215 — seen Aug 2026
$837 — seen Aug 2026 (4 observations)
$331 — seen Aug 2026
$837 — seen Aug 2026 (4 observations)
$837 — seen Aug 2026
$300 — seen Aug 2026
$670 — seen Aug 2026 (5 observations)
$335 — seen Aug 2026
$336 — seen Aug 2026
$670 — seen Aug 2026 (5 observations)
$670 — seen Aug 2026 (21 observations)
$332 — seen Aug 2026
$333 — seen Aug 2026
$670 — seen Aug 2026 (8 observations)
$670 — seen Aug 2026 (7 observations)
$334 — seen Aug 2026
$670 — seen Aug 2026 (2 observations)
$372 — seen Aug 2026 (3 observations)
$299 — seen Aug 2026 (2 observations)
$372 — seen Aug 2026 (4 observations)
$308 — seen Aug 2026 (2 observations)
$372 — seen Aug 2026 (3 observations)
$372 — seen Aug 2026
$398 — seen Aug 2026 (3 observations)
$425 — seen Aug 2026
$398 — seen Aug 2026 (6 observations)
$374 — seen Aug 2026
$375 — seen Aug 2026
$398 — seen Aug 2026 (4 observations)
$398 — seen Aug 2026
$383 — seen Aug 2026
$384 — seen Aug 2026
$356 — seen Sep 2026
$327 — seen Sep 2026
$327 — seen Sep 2026
$322 — seen Sep 2026
$322 — seen Sep 2026
$327 — seen Sep 2026
$694 — seen Sep 2026 (3 observations)
$550 — seen Sep 2026 (3 observations)
$694 — seen Sep 2026 (5 observations)
$542 — seen Sep 2026 (5 observations)
$694 — seen Sep 2026 (2 observations)
$542 — seen Sep 2026 (8 observations)
$377 — seen Sep 2026
$542 — seen Sep 2026 (8 observations)
$526 — seen Sep 2026 (8 observations)
$526 — seen Sep 2026 (6 observations)
$296 — seen Sep 2026
$526 — seen Sep 2026 (15 observations)
$810 — seen Sep 2026 (7 observations)
$628 — seen Sep 2026 (8 observations)
$279 — seen Sep 2026
$810 — seen Sep 2026 (4 observations)
$628 — seen Sep 2026 (4 observations)
$306 — seen Sep 2026
$810 — seen Sep 2026 (2 observations)
$628 — seen Sep 2026 (2 observations)
$306 — seen Sep 2026 (2 observations)
$307 — seen Sep 2026

Frequently asked questions

How many flight deals from Phoenix to Boston are on Sparkflights right now?

There are 1 verified deals from Phoenix to Boston on the board right now. The list refreshes hourly.

What is the cheapest flight from Phoenix to Boston right now?

The lowest verified fare from Phoenix to Boston right now is $306. Prices are checked against live availability before listing.

What is the lowest price ever seen from Phoenix to Boston?

The lowest fare we've recorded from Phoenix to Boston is $212, based on 109 price observations over the past year.

Which airlines fly Phoenix to Boston?

Airlines with the most deals from Phoenix to Boston right now are United.