Frontier Airlines Flight 90 Deals & Information (2025/2026)

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Frontier Airlines Flight 90 Route Deals From $192

The cheapest prices found with in the last 7 days for return flights were $301 and $192 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 8 - Mon, Jul 14
CUN
Cancun Intl.
PHL
Philadelphia Intl.
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 8 from Cancun Intl. to Philadelphia Intl., returning Mon, Jul 14, priced at $301 found 2 days ago
Sat, Jun 21 - Mon, Jun 30
CUN
Cancun Intl.
TTN
Mercer
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jun 21 from Cancun Intl. to Mercer, returning Mon, Jun 30, priced at $399 found 3 days ago
Mon, Jul 14 - Fri, Jul 18
CUN
Cancun Intl.
TTN
Mercer
$401 Roundtrip, found 2 days ago
$401
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jul 14 from Cancun Intl. to Mercer, returning Fri, Jul 18, priced at $401 found 2 days ago
Sat, Jun 21 - Mon, Jun 30
CUN
Cancun Intl.
TTN
Mercer
$409 Roundtrip, found 3 days ago
$409
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jun 21 from Cancun Intl. to Mercer, returning Mon, Jun 30, priced at $409 found 3 days ago
Thu, Jul 17 - Sun, Jul 20
CUN
Cancun Intl.
TTN
Mercer
$410 Roundtrip, found 4 days ago
$410
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jul 17 from Cancun Intl. to Mercer, returning Sun, Jul 20, priced at $410 found 4 days ago
Mon, Jul 14 - Fri, Jul 18
CUN
Cancun Intl.
TTN
Mercer
$411 Roundtrip, found 2 days ago
$411
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jul 14 from Cancun Intl. to Mercer, returning Fri, Jul 18, priced at $411 found 2 days ago
Mon, Jul 28 - Fri, Aug 1
CUN
Cancun Intl.
TTN
Mercer
$411 Roundtrip, found 5 days ago
$411
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Cancun Intl. to Mercer, returning Fri, Aug 1, priced at $411 found 5 days ago
Thu, Jul 17 - Mon, Jul 21
CUN
Cancun Intl.
TTN
Mercer
$418 Roundtrip, found 2 days ago
$418
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jul 17 from Cancun Intl. to Mercer, returning Mon, Jul 21, priced at $418 found 2 days ago
Sat, Jun 21 - Fri, Jun 27
CUN
Cancun Intl.
TTN
Mercer
$421 Roundtrip, found 1 day ago
$421
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 21 from Cancun Intl. to Mercer, returning Fri, Jun 27, priced at $421 found 1 day ago
Sun, Oct 26 - Thu, Oct 30
CUN
Cancun Intl.
TTN
Mercer
$424 Roundtrip, found 11 hours ago
$424
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Cancun Intl. to Mercer, returning Thu, Oct 30, priced at $424 found 11 hours ago

Frequently asked questions

What route does flight number F990 take?
Flight number F990 operates direct from Cancun Intl. Airport (CUN) to Philadelphia Intl. Airport (PHL). During this journey, expect to be in the air for around 3 hours and 45 minutes. Book ahead to secure your preferred seat.
What terminal does F990 fly out of?
Passengers with seats booked on flight number F990 from CUN to PHL usually fly out of Terminal 4.
What kind of plane is on flight number F990?
The route for F990 is generally Cancun Intl. Airport (CUN) to PHL, and the Airbus A320 is the type of plane you’re likely to be traveling on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your F990 flight with Travelocity, please visit our Customer Service Portal.