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Get United's best fares today on flights from Boston to Key West from *

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Low fare calendar for flights from Boston (BOS) to Key West (EYW)

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from
$455*
Viewed:4 hours ago
day-card-journey-type-option-rt
Return:03/05/20
21
from
$455*
Viewed:4 hours ago
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Return:03/06/20
22
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$455*
Viewed:4 hours ago
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Return:03/07/20
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$526*
Viewed:4 hours ago
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Return:03/09/20
25
from
$455*
Viewed:4 hours ago
day-card-journey-type-option-rt
Return:03/10/20
26
from
$389*
Viewed:4 hours ago
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Return:03/11/20
27
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$415*
Viewed:4 hours ago
day-card-journey-type-option-rt
Return:03/05/20
28
from
$415*
Viewed:4 hours ago
day-card-journey-type-option-rt
Return:03/06/20
29
from
$415*
Viewed:4 hours ago
day-card-journey-type-option-rt
Return:03/07/20
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.

Looking for additional flights from Boston to Key West?

FromToDatesFare TypePrice

Boston (BOS)

Key West (EYW)

Depart: 05/06/20

Return: 05/20/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/18/20

Return: 04/01/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/11/20

Return: 03/25/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/25/20

Return: 04/08/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/18/20

Return: 03/25/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 04/22/20

Return: 05/06/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/25/20

Return: 04/01/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/31/20

Return: 04/07/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 04/15/20

Return: 04/22/20

Roundtrip
from
$319*
Viewed:3hoursago

Boston (BOS)

Key West (EYW)

Depart: 03/11/20

Return: 03/18/20

Roundtrip
from
$319*
Viewed:3hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. 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 Key West

Wednesday sky is clear
80°F 02/19/20
Thursday light rain
76°F 02/20/20
Friday light rain
72°F 02/21/20
Saturday light rain
68°F 02/22/20
Sunday light rain
70°F 02/23/20
Monday sky is clear
74°F 02/24/20
Tuesday light rain
75°F 02/25/20
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