United Flight UA978 Deals & Information (2025/2026)

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United Flight 978 Route Deals From $464

The cheapest prices found with in the last 7 days for return flights were $698 and $464 for one-way flights to Edinburgh for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 23 - Tue, Oct 14
IAD
Washington Dulles Intl.
EDI
Edinburgh
$698 Roundtrip, found 1 day ago
$698
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 23 from Washington Dulles Intl. to Edinburgh, returning Tue, Oct 14, priced at $698 found 1 day ago
Wed, Aug 27 - Fri, Sep 5
IAD
Washington Dulles Intl.
EDI
Edinburgh
$707 Roundtrip, found 7 hours ago
$707
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 27 from Washington Dulles Intl. to Edinburgh, returning Fri, Sep 5, priced at $707 found 7 hours ago