United Flight 3491 Deals & Information (2025/2026)

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United Flight 3491 Route Deals From $123

The cheapest prices found with in the last 7 days for return flights were $192 and $123 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 8 - Tue, Jul 15
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 8 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Jul 15, priced at $192 found 1 day ago
Fri, Jun 13 - Sat, Jun 21
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$198 Roundtrip, found 14 hours ago
$198
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Jun 13 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jun 21, priced at $198 found 14 hours ago
Wed, Aug 20 - Tue, Aug 26
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$199 Roundtrip, found 12 hours ago
$199
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Aug 26, priced at $199 found 12 hours ago
Mon, Jun 30 - Wed, Jul 9
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$202 Roundtrip, found 3 days ago
$202
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jun 30 from Washington Dulles Intl. to Portland Intl. Jetport, returning Wed, Jul 9, priced at $202 found 3 days ago
Wed, Aug 20 - Tue, Aug 26
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$205 Roundtrip, found 12 hours ago
$205
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Aug 26, priced at $205 found 12 hours ago
Sat, Jul 5 - Sat, Jul 12
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jul 5 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jul 12, priced at $207 found 4 days ago
Tue, Jul 1 - Sat, Jul 5
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 1 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jul 5, priced at $212 found 2 days ago
Wed, Aug 20 - Tue, Aug 26
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$215 Roundtrip, found 12 hours ago
$215
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Aug 26, priced at $215 found 12 hours ago
Sat, Jun 7 - Sun, Jun 8
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$221 Roundtrip, found 3 days ago
$221
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jun 7 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Jun 8, priced at $221 found 3 days ago
Wed, Aug 20 - Tue, Aug 26
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$222 Roundtrip, found 12 hours ago
$222
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Aug 26, priced at $222 found 12 hours ago

Frequently asked questions

What route does flight number UA3491 take?
UA3491 is used on multiple routes, but the most common is between Chicago, IL Airport (ORD-O’Hare Intl.) and Chattanooga Airport. If on a direct flight, you’ll disembark the plane in around 1 hour and 46 minutes. Multi-stop flights can also operate under this number, as can services on other routes.
What terminal does UA3491 fly out of?
Terminal 2 is where you’ll likely depart from if you’re booked on a flight out of ORD. O’Hare Intl. Airport (ORD) to CHA is the most commonly traveled route for flight number UA3491.
What kind of plane is on flight number UA3491?
If you’re considering booking flight UA3491 from ORD to Chattanooga, TN Airport (CHA-Chattanooga Metropolitan), there’s an excellent chance you’ll be traveling on an Embraer 170. Flight UA3491 serves several routes, but this is the busiest.
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 UA3491 flight with Travelocity, please visit our Customer Service Portal.