United Flight UA3478 Deals & Information (2025/2026)

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United Flight 3478 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $160 and $90 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Mon, Oct 20
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$160 Roundtrip, found 9 hours ago
$160
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Oct 17 from Pittsburgh Intl. to Washington Dulles Intl., returning Mon, Oct 20, priced at $160 found 9 hours ago
Fri, Oct 17 - Mon, Oct 20
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$178 Roundtrip, found 9 hours ago
$178
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Oct 17 from Pittsburgh Intl. to Washington Dulles Intl., returning Mon, Oct 20, priced at $178 found 9 hours ago
Wed, Aug 20 - Sun, Sep 7
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$181 Roundtrip, found 15 hours ago
$181
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Aug 20 from Pittsburgh Intl. to Washington Dulles Intl., returning Sun, Sep 7, priced at $181 found 15 hours ago
Sat, Jul 26 - Thu, Jul 31
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 26 from Pittsburgh Intl. to Washington Dulles Intl., returning Thu, Jul 31, priced at $187 found 2 days ago
Fri, Oct 17 - Mon, Oct 20
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$189 Roundtrip, found 9 hours ago
$189
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Oct 17 from Pittsburgh Intl. to Washington Dulles Intl., returning Mon, Oct 20, priced at $189 found 9 hours ago
Fri, Oct 17 - Mon, Oct 20
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$190 Roundtrip, found 9 hours ago
$190
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Oct 17 from Pittsburgh Intl. to Washington Dulles Intl., returning Mon, Oct 20, priced at $190 found 9 hours ago
Wed, Aug 20 - Sun, Sep 7
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$198 Roundtrip, found 15 hours ago
$198
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Aug 20 from Pittsburgh Intl. to Washington Dulles Intl., returning Sun, Sep 7, priced at $198 found 15 hours ago
Fri, Aug 29 - Mon, Sep 1
PIT
Pittsburgh Intl.
IAD
Washington Dulles Intl.
$204 Roundtrip, found 20 hours ago
$204
Roundtrip
found 20 hours ago
Select United flight, departing Fri, Aug 29 from Pittsburgh Intl. to Washington Dulles Intl., returning Mon, Sep 1, priced at $204 found 20 hours ago

Frequently asked questions

What route does flight number UA3478 take?
UA3478 is used on multiple routes, but the most common is between Newark, NJ Airport (EWR-Liberty Intl.) and SRQ. If your flight goes direct, you'll arrive in approximately 3 hours and 10 minutes. Multi-stop flights can also use this number, as can flights on other routes.
What terminal does UA3478 fly out of?
Terminal C is where you'll likely jet off from if you're booked on a flight out of Newark, NJ Airport (EWR-Liberty Intl.). Newark, NJ Airport (EWR-Liberty Intl.) to Sarasota, FL Airport (SRQ-Sarasota-Bradenton Intl.) is the most commonly traveled route for flight number UA3478.
What kind of plane is on flight number UA3478?
It's likely you'll be aboard the Embraer 170 if you're flying from Liberty Intl. Airport (EWR) to SRQ Airport, one of a few routes used for flight UA3478.
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 UA3478 flight with Travelocity, please visit our Customer Service Portal.