United Flight WN800 Deals & Information (2025/2026)

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United Flight 800 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $217 and $109 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 29 - Fri, May 30
BOS
Logan Intl.
DEN
Denver Intl.
$217 Roundtrip, found 7 hours ago
$217
Roundtrip
found 7 hours ago
Select United flight, departing Thu, May 29 from Logan Intl. to Denver Intl., returning Fri, May 30, priced at $217 found 7 hours ago
Wed, Jul 23 - Mon, Jul 28
BOS
Logan Intl.
DEN
Denver Intl.
$219 Roundtrip, found 2 hours ago
$219
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jul 23 from Logan Intl. to Denver Intl., returning Mon, Jul 28, priced at $219 found 2 hours ago
Tue, Jun 3 - Tue, Jun 17
BOS
Logan Intl.
DEN
Denver Intl.
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 3 from Logan Intl. to Denver Intl., returning Tue, Jun 17, priced at $222 found 2 days ago
Tue, Jun 3 - Tue, Jun 17
BOS
Logan Intl.
DEN
Denver Intl.
$226 Roundtrip, found 2 days ago
$226
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 3 from Logan Intl. to Denver Intl., returning Tue, Jun 17, priced at $226 found 2 days ago
Thu, May 29 - Fri, May 30
BOS
Logan Intl.
DEN
Denver Intl.
$227 Roundtrip, found 7 hours ago
$227
Roundtrip
found 7 hours ago
Select United flight, departing Thu, May 29 from Logan Intl. to Denver Intl., returning Fri, May 30, priced at $227 found 7 hours ago
Thu, Aug 14 - Mon, Aug 18
BOS
Logan Intl.
DEN
Denver Intl.
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 14 from Logan Intl. to Denver Intl., returning Mon, Aug 18, priced at $235 found 2 hours ago
Tue, May 27 - Sun, Jun 1
BOS
Logan Intl.
DEN
Denver Intl.
$240 Roundtrip, found 1 hour ago
$240
Roundtrip
found 1 hour ago
Select United flight, departing Tue, May 27 from Logan Intl. to Denver Intl., returning Sun, Jun 1, priced at $240 found 1 hour ago
Fri, Sep 26 - Sun, Sep 28
BOS
Logan Intl.
DEN
Denver Intl.
$247 Roundtrip, found 4 hours ago
$247
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Sep 26 from Logan Intl. to Denver Intl., returning Sun, Sep 28, priced at $247 found 4 hours ago

Frequently asked questions

What route does flight number UA800 take?
You’ll be landing at O’Hare Intl. Airport (ORD) from Charleston Intl. Airport if you’re traveling on flight number UA800. You’ll be in the air for 2 hours and 28 minutes during this trip. It’s also good to note that the flight conveniently operates non-stop.
What kind of plane is on flight number UA800?
Expect to cruise aboard an Airbus A319 if you’re taking off on flight UA800. Most services from Charleston, SC Airport (CHS-Charleston Intl.) to O’Hare Intl. Airport (ORD) operate using this kind of aircraft.
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 UA800 flight with Travelocity, please visit our Customer Service Portal.