United Flight 347 Deals & Information (2025/2026)

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United Flight 347 Route Deals From $117

The cheapest prices found with in the last 7 days for return flights were $217 and $117 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 10 - Tue, Jun 17
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$217 Roundtrip, found 5 hours ago
$217
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 10 from Denver Intl. to Washington Dulles Intl., returning Tue, Jun 17, priced at $217 found 5 hours ago
Sat, Jun 7 - Tue, Jun 10
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$221 Roundtrip, found 6 days ago
$221
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 7 from Denver Intl. to Washington Dulles Intl., returning Tue, Jun 10, priced at $221 found 6 days ago
Sat, Jun 14 - Wed, Jun 18
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 14 from Denver Intl. to Washington Dulles Intl., returning Wed, Jun 18, priced at $221 found 1 day ago
Sat, May 24 - Sat, May 31
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$230 Roundtrip, found 9 hours ago
$230
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 24 from Denver Intl. to Washington Dulles Intl., returning Sat, May 31, priced at $230 found 9 hours ago
Tue, May 20 - Wed, May 28
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$232 Roundtrip, just found
$232
Roundtrip
just found
Select United flight, departing Tue, May 20 from Denver Intl. to Washington Dulles Intl., returning Wed, May 28, priced at $232 just found
Wed, May 28 - Sun, Jun 1
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$242 Roundtrip, found 8 hours ago
$242
Roundtrip
found 8 hours ago
Select United flight, departing Wed, May 28 from Denver Intl. to Washington Dulles Intl., returning Sun, Jun 1, priced at $242 found 8 hours ago
Thu, Jul 10 - Sat, Aug 2
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$245 Roundtrip, found 6 days ago
$245
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jul 10 from Denver Intl. to Washington Dulles Intl., returning Sat, Aug 2, priced at $245 found 6 days ago
Tue, May 20 - Wed, May 28
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$248 Roundtrip, just found
$248
Roundtrip
just found
Select United flight, departing Tue, May 20 from Denver Intl. to Washington Dulles Intl., returning Wed, May 28, priced at $248 just found
Sat, May 24 - Sun, Jun 15
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$250 Roundtrip, found 12 hours ago
$250
Roundtrip
found 12 hours ago
Select United flight, departing Sat, May 24 from Denver Intl. to Washington Dulles Intl., returning Sun, Jun 15, priced at $250 found 12 hours ago
Tue, Jun 17 - Tue, Jun 24
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$252 Roundtrip, found 4 days ago
$252
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 17 from Denver Intl. to Washington Dulles Intl., returning Tue, Jun 24, priced at $252 found 4 days ago
Tue, Jun 10 - Tue, Jun 17
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$253 Roundtrip, found 5 hours ago
$253
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 10 from Denver Intl. to Washington Dulles Intl., returning Tue, Jun 17, priced at $253 found 5 hours ago
Sat, May 24 - Mon, May 26
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$256 Roundtrip, found 13 hours ago
$256
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 24 from Denver Intl. to Washington Dulles Intl., returning Mon, May 26, priced at $256 found 13 hours ago
Thu, Jun 5 - Sat, Jun 14
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$257 Roundtrip, found 15 hours ago
$257
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Jun 5 from Denver Intl. to Washington Dulles Intl., returning Sat, Jun 14, priced at $257 found 15 hours ago
Sat, May 24 - Sat, May 31
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$260 Roundtrip, found 9 hours ago
$260
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 24 from Denver Intl. to Washington Dulles Intl., returning Sat, May 31, priced at $260 found 9 hours ago

Frequently asked questions

What route does flight number UA347 take?
You’ll be arriving into DEN from Washington, DC Airport (IAD-Washington Dulles Intl.) if you’re traveling on flight number UA347. You’ll be in the air for 4 hours and 2 minutes during this trip. It’s also worthwhile noting that the flight conveniently operates non-stop.
What kind of plane is on flight number UA347?
The Boeing 737-800 is the aircraft model that’s generally used for flight number UA347. This flight nearly always takes off from Washington, DC Airport (IAD-Washington Dulles Intl.) and arrives at Denver, CO Airport (DEN-Denver Intl.).
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 UA347 flight with Travelocity, please visit our Customer Service Portal.