United Flight UA4278 Deals & Information (2025/2026)

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United Flight 4278 Route Deals From $178

The cheapest prices found with in the last 7 days for return flights were $341 and $178 for one-way flights to General Francisco Javier Mina Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Tue, Oct 14
IAH
George Bush Intercontinental
TAM
General Francisco Javier Mina Intl.
$341 Roundtrip, found 3 days ago
$341
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 6 from George Bush Intercontinental to General Francisco Javier Mina Intl., returning Tue, Oct 14, priced at $341 found 3 days ago
Thu, Sep 11 - Fri, Sep 12
IAH
George Bush Intercontinental
TAM
General Francisco Javier Mina Intl.
$391 Roundtrip, found 1 day ago
$391
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 11 from George Bush Intercontinental to General Francisco Javier Mina Intl., returning Fri, Sep 12, priced at $391 found 1 day ago