United Flight AS400 Deals & Information (2025/2026)

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United Flight 400 Route Deals From $202

The cheapest prices found with in the last 7 days for return flights were $358 and $202 for one-way flights to Ted Stevens Anchorage Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 22 - Sat, Sep 27
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$358 Roundtrip, found 2 days ago
$358
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 22 from Denver Intl. to Ted Stevens Anchorage Intl., returning Sat, Sep 27, priced at $358 found 2 days ago
Mon, Sep 22 - Sat, Sep 27
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$368 Roundtrip, found 2 days ago
$368
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 22 from Denver Intl. to Ted Stevens Anchorage Intl., returning Sat, Sep 27, priced at $368 found 2 days ago
Mon, Sep 8 - Sun, Sep 14
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 8 from Denver Intl. to Ted Stevens Anchorage Intl., returning Sun, Sep 14, priced at $377 found 2 days ago
Fri, Aug 29 - Mon, Sep 15
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$389 Roundtrip, found 2 hours ago
$389
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 29 from Denver Intl. to Ted Stevens Anchorage Intl., returning Mon, Sep 15, priced at $389 found 2 hours ago
Fri, Aug 29 - Mon, Sep 15
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$389 Roundtrip, found 2 hours ago
$389
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 29 from Denver Intl. to Ted Stevens Anchorage Intl., returning Mon, Sep 15, priced at $389 found 2 hours ago
Thu, Sep 4 - Mon, Sep 8
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$398 Roundtrip, found 5 days ago
$398
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 4 from Denver Intl. to Ted Stevens Anchorage Intl., returning Mon, Sep 8, priced at $398 found 5 days ago
Fri, Sep 5 - Mon, Sep 8
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 5 from Denver Intl. to Ted Stevens Anchorage Intl., returning Mon, Sep 8, priced at $399 found 3 days ago
Thu, Sep 4 - Sun, Sep 7
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$400 Roundtrip, found 1 day ago
$400
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Denver Intl. to Ted Stevens Anchorage Intl., returning Sun, Sep 7, priced at $400 found 1 day ago
Fri, Aug 29 - Mon, Sep 15
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$404 Roundtrip, found 2 hours ago
$404
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 29 from Denver Intl. to Ted Stevens Anchorage Intl., returning Mon, Sep 15, priced at $404 found 2 hours ago
Sat, Aug 23 - Sat, Aug 30
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$405 Roundtrip, found 1 day ago
$405
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 23 from Denver Intl. to Ted Stevens Anchorage Intl., returning Sat, Aug 30, priced at $405 found 1 day ago
Wed, Oct 1 - Wed, Oct 8
DEN
Denver Intl.
ANC
Ted Stevens Anchorage Intl.
$406 Roundtrip, found 2 days ago
$406
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 1 from Denver Intl. to Ted Stevens Anchorage Intl., returning Wed, Oct 8, priced at $406 found 2 days ago

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.