Phoenix to Boston

PHXBOS

Fly from Phoenix to Boston starting at USD 138 with Frontier Airlines.Best fare available on Sep 19, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Boston cheapest flights this week

7 Sept
American Airlines
23:45PHX
06:37BOS
1 StopUSD 258VIEW DEAL
7 Sept
United Airlines
06:00PHX
14:20BOS
1 StopUSD 423VIEW DEAL
8 Sept
Frontier Airlines
09:10PHX
08:59BOS
3 StopUSD 420VIEW DEAL
10 Sept
Southwest Airlines
14:00PHX
21:30BOS
1 StopUSD 232VIEW DEAL
11 Sept
Alaska Airlines
17:45PHX
03:09BOS
1 StopUSD 201VIEW DEAL
12 Sept
Alaska Airlines
14:05PHX
03:09BOS
1 StopUSD 209VIEW DEAL
14 Sept
Alaska Airlines
18:38PHX
04:39BOS
1 StopUSD 201VIEW DEAL
15 Sept
Alaska Airlines
09:22PHX
20:54BOS
1 StopUSD 205VIEW DEAL
19 Sept
Frontier Airlines
11:37PHX
20:40BOS
1 StopUSD 138VIEW DEAL
19 Sept
Alaska Airlines
18:38PHX
04:39BOS
1 StopUSD 205VIEW DEAL

Phoenix to Boston monthly flight fare trend

Sep
from USD 127
Oct
from USD 155
Nov
from USD 151
Dec
No flights
Jan
from USD 187
Feb
No flights

Airport Details

Origin

Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix, PHX
Zone

Phoenix

Elev

1135 ft

Destination

Boston

Logan International Airport (BOS)

Boston, BOS
Zone

New York

Elev

20 ft

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