United Flight B6620 Deals & Information (2025/2026)

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United Flight 620 Route Deals From $203

The cheapest prices found with in the last 7 days for return flights were $356 and $203 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Fri, Sep 26
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$356 Roundtrip, found 4 hours ago
$356
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Sep 13 from Cibao Intl. to Newark Liberty Intl. Airport, returning Fri, Sep 26, priced at $356 found 4 hours ago
Wed, Oct 1 - Sat, Nov 1
STI
Cibao Intl.
EWR
Newark Liberty Intl. Airport
$387 Roundtrip, found 20 hours ago
$387
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 1 from Cibao Intl. to Newark Liberty Intl. Airport, returning Sat, Nov 1, priced at $387 found 20 hours ago

Frequently asked questions

What route does flight number UA620 take?
UA620 flies directly between Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and DIA airport in roughly 2 hours and 37 minutes. It can sometimes be used on other routes though, some of which could be multi-stop trips. Keep an eye out for this when booking your airfare to avoid any confusion.
What kind of plane is on flight number UA620?
If you're on flight UA620 from Seattle - Tacoma Intl. Airport (SEA) to DIA airport, there's an excellent chance you'll be on board an Airbus A319. This flight number serves numerous routes, but this is the most popular.
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 UA620 flight with Travelocity, please visit our Customer Service Portal.