United Flight UA400 Deals & Information (2024/2025)

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United Flight 400 Route Deals From $199

The cheapest prices found with in the last 7 days for return flights were $322 and $199 for one-way flights to Vancouver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 14 - Tue, Sep 17
IAD
Washington Dulles Intl.
YVR
Vancouver Intl.
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 14 from Washington Dulles Intl. to Vancouver Intl., returning Tue, Sep 17, priced at $322 found 3 days ago
Sat, Sep 14 - Wed, Sep 25
IAD
Washington Dulles Intl.
YVR
Vancouver Intl.
$352 Roundtrip, found 4 days ago
$352
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 14 from Washington Dulles Intl. to Vancouver Intl., returning Wed, Sep 25, priced at $352 found 4 days ago
Sat, Sep 14 - Wed, Sep 25
IAD
Washington Dulles Intl.
YVR
Vancouver Intl.
$359 Roundtrip, found 4 days ago
$359
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 14 from Washington Dulles Intl. to Vancouver Intl., returning Wed, Sep 25, priced at $359 found 4 days ago
Tue, Sep 3 - Fri, Sep 13
IAD
Washington Dulles Intl.
YVR
Vancouver Intl.
$360 Roundtrip, found 6 days ago
$360
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 3 from Washington Dulles Intl. to Vancouver Intl., returning Fri, Sep 13, priced at $360 found 6 days ago
Mon, Sep 23 - Mon, Sep 30
IAD
Washington Dulles Intl.
YVR
Vancouver Intl.
$361 Roundtrip, found 6 days ago
$361
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 23 from Washington Dulles Intl. to Vancouver Intl., returning Mon, Sep 30, priced at $361 found 6 days ago
Tue, Sep 24 - Mon, Sep 30
IAD
Washington Dulles Intl.
YVR
Vancouver Intl.
$366 Roundtrip, found 6 days ago
$366
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 24 from Washington Dulles Intl. to Vancouver Intl., returning Mon, Sep 30, priced at $366 found 6 days ago

More United Flight For This Route

CarrierFlightDepart IADArrive YVRMon
6/17		Tue
6/18		Wed
6/19		Thu
6/20		Fri
6/21		Sat
6/22		Sun
6/23		Stops
UA40008:15 am10:55 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

What route does flight number UA400 take?
UA400 operates from Dulles Intl. Airport to Raleigh–Durham Airport and is a direct flight. This trip takes 1 hour and 11 minutes.
What kind of plane is on flight number UA400?
The route for flight number UA400 is generally Dulles Intl. Airport to RDU, and the Boeing 737-800 is the aircraft model you’ll probably be flying with.
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 UA400 flight with Travelocity, please visit our Customer Service Portal.