Skip to content

United flights from Phoenix to Boston starting at

Select journey type

Enter to select travel class and passengers

Book with confidence with United

Low fare calendar for flights from Phoenix (PHX) to Boston (BOS)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
from
$512 Price subject to changes
Viewed:3 hours ago
Economy
Return:
from
$440 Price subject to changes
Viewed:3 hours ago
Economy
Return:
from
$382 Price subject to changes
Viewed:3 hours ago
Economy
Return:
from
$430 Price subject to changes
Viewed:3 hours ago
Economy
Return:
1
from
$382 Price subject to changes
Viewed:3 hours ago
Economy
Return:
2
from
$362 Price subject to changes
Viewed:3 hours ago
Economy
Return:
3
from
$328 Price subject to changes
Viewed:3 hours ago
Economy
Return:
4
from
$328 Price subject to changes
Viewed:12 hours ago
Economy
Return:
5
from
$328 Price subject to changes
Viewed:3 hours ago
Economy
Return:
6
from
$328 Price subject to changes
Viewed:3 hours ago
Economy
Return:
7
from
$328 Price subject to changes
Viewed:3 hours ago
Economy
Return:
8
from
$328 Price subject to changes
Viewed:3 hours ago
Economy
Return:
9
from
$328 Price subject to changes
Viewed:3 hours ago
Economy
Return:
10
from
$252 Price subject to changes
Viewed:3 hours ago
Economy
Return:
11
from
$303 Price subject to changes
Viewed:3 hours ago
Economy
Return:
12
from
$300 Price subject to changes
Viewed:3 hours ago
Economy
Return:
13
from
$252 Price subject to changes
Viewed:3 hours ago
Economy
Return:
14
from
$262 Price subject to changes
Viewed:3 hours ago
Economy
Return:
15
from
$282 Price subject to changes
Viewed:3 hours ago
Economy
Return:
16
from
$262 Price subject to changes
Viewed:3 hours ago
Economy
Return:
17
from
$232 Price subject to changes
Viewed:3 hours ago
Economy
Return:
18
from
$268 Price subject to changes
Viewed:3 hours ago
Economy
Return:
19
from
$268 Price subject to changes
Viewed:3 hours ago
Economy
Return:
20
from
$222 Price subject to changes
Viewed:3 hours ago
Economy
Return:
21
from
$223 Price subject to changes
Viewed:3 hours ago
Economy
Return:
22
from
$233 Price subject to changes
Viewed:3 hours ago
Economy
Return:
23
from
$232 Price subject to changes
Viewed:17 hours ago
Economy
Return:
24
from
$222 Price subject to changes
Viewed:3 hours ago
Economy
Return:
25
from
$263 Price subject to changes
Viewed:3 hours ago
Economy
Return:
26
from
$253 Price subject to changes
Viewed:3 hours ago
Economy
Return:
27
from
$223 Price subject to changes
Viewed:3 hours ago
Economy
Return:
28
from
$223 Price subject to changes
Viewed:3 hours ago
Economy
Return:
29
from
$223 Price subject to changes
Viewed:3 hours ago
Economy
Return:
30
from
$243 Price subject to changes
Viewed:3 hours ago
Economy
Return:
31
from
$223 Price subject to changes
Viewed:3 hours ago
Economy
Return:
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More United deals on Phoenix (PHX) to Boston (BOS) flights

FromToDatesFare TypePrice

Phoenix (PHX)

Boston (BOS)

Depart: 10/20/20

Return: 10/27/20

Roundtrip
from
$222*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/24/20

Return: 10/31/20

Roundtrip
from
$222*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/20/20

Return: 10/24/20

Roundtrip
from
$222*
Viewed:3hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/27/20

Return: 11/03/20

Roundtrip
from
$223*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/28/20

Return: 11/04/20

Roundtrip
from
$223*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/29/20

Return: 11/05/20

Roundtrip
from
$223*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/31/20

Return: 11/07/20

Roundtrip
from
$223*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/27/20

Return: 11/10/20

Roundtrip
from
$223*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/28/20

Return: 11/11/20

Roundtrip
from
$223*
Viewed:2hoursago

Phoenix (PHX)

Boston (BOS)

Depart: 10/29/20

Return: 11/12/20

Roundtrip
from
$223*
Viewed:2hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Boston

Saturday sky is clear
72°F 09/26/20
Sunday few clouds
76°F 09/27/20
Monday overcast clouds
76°F 09/28/20
Tuesday light rain
79°F 09/29/20
Wednesday moderate rain
77°F 09/30/20
Thursday light rain
67°F 10/01/20
Friday moderate rain
58°F 10/02/20
Powered by: OpenWeatherMap.org