Delta Flight DL3788 Deals & Information (2025/2026)

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Delta Flight 3788 Route Deals From $102

The cheapest prices found with in the last 7 days for return flights were $189 and $102 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 2 - Mon, Feb 9
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 2 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Mon, Feb 9, priced at $189 found 1 day ago
Tue, Nov 11 - Tue, Nov 18
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$190 Roundtrip, just found
$190
Roundtrip
just found
Select Delta flight, departing Tue, Nov 11 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Nov 18, priced at $190 just found
Tue, Nov 11 - Sat, Nov 15
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$191 Roundtrip, just found
$191
Roundtrip
just found
Select Delta flight, departing Tue, Nov 11 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sat, Nov 15, priced at $191 just found
Fri, Jun 19 - Tue, Jun 23
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jun 19 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Jun 23, priced at $193 found 6 days ago
Tue, Nov 11 - Thu, Nov 13
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$204 Roundtrip, just found
$204
Roundtrip
just found
Select Delta flight, departing Tue, Nov 11 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Thu, Nov 13, priced at $204 just found

Frequently asked questions

What route does flight number DL3788 take?
Flight number DL3788 takes approximately 1 hour and 59 minutes to jet directly from Seattle - Tacoma Intl. Airport (SEA) to SMF. Sure, there's magic in the destination, but the journey is always half the fun!
How often is DL3788 on time?
If you're traveling with Delta flight number DL3788 from Seattle - Tacoma Intl. Airport (SEA) to Sacramento Airport, 91% of these journeys depart as scheduled. If there is an unforeseen delay, you can expect to wait around 12 minutes on average. Thanks to this airline's top-quality service, this trip has a 4.35-star rating.
What kind of plane is on flight number DL3788?
Get ready to jump on board an Embraer 175 if your flight number is DL3788. Nearly all services from SEA to SMF use this model of aircraft.
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 DL3788 flight with Travelocity, please visit our Customer Service Portal.