United Flight 3491 Deals & Information (2025/2026)

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United Flight 3491 Route Deals From $83

The cheapest prices found with in the last 7 days for return flights were $173 and $83 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 1 - Tue, Nov 4
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$173 Roundtrip, found 3 days ago
$173
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Nov 4, priced at $173 found 3 days ago
Sat, Aug 16 - Tue, Aug 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Aug 19, priced at $178 found 1 day ago
Sat, Nov 1 - Tue, Nov 4
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Nov 4, priced at $178 found 3 days ago
Sat, Nov 1 - Tue, Nov 4
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$183 Roundtrip, found 3 days ago
$183
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Nov 4, priced at $183 found 3 days ago
Sat, Nov 1 - Tue, Nov 4
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Nov 4, priced at $188 found 3 days ago
Sat, Nov 1 - Tue, Nov 4
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$194 Roundtrip, found 3 days ago
$194
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Nov 4, priced at $194 found 3 days ago
Sat, Aug 2 - Wed, Aug 6
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 2 from Washington Dulles Intl. to Portland Intl. Jetport, returning Wed, Aug 6, priced at $198 found 2 days ago
Fri, Jul 18 - Fri, Jul 25
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$199 Roundtrip, found 5 days ago
$199
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jul 18 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Jul 25, priced at $199 found 5 days ago
Thu, Sep 25 - Mon, Sep 29
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$200 Roundtrip, found 2 days ago
$200
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 25 from Washington Dulles Intl. to Portland Intl. Jetport, returning Mon, Sep 29, priced at $200 found 2 days ago
Sat, Aug 16 - Tue, Aug 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Tue, Aug 19, priced at $202 found 1 day 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.