Delta Flight DL3697 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Delta Flight 3697 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $137 and $70 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 8 - Tue, Nov 11
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$137 Roundtrip, found 3 days ago
$137
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 8 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Nov 11, priced at $137 found 3 days ago
Tue, Aug 19 - Wed, Aug 20
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Aug 19 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Wed, Aug 20, priced at $139 found 5 days ago
Tue, Aug 26 - Sun, Aug 31
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$161 Roundtrip, found 3 days ago
$161
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 26 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Aug 31, priced at $161 found 3 days ago
Tue, Sep 2 - Sat, Sep 6
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$166 Roundtrip, found 1 hour ago
$166
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 2 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sat, Sep 6, priced at $166 found 1 hour ago
Mon, Sep 22 - Tue, Sep 23
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$167 Roundtrip, found 5 days ago
$167
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Sep 22 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Sep 23, priced at $167 found 5 days ago
Tue, Aug 19 - Wed, Aug 20
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$170 Roundtrip, found 5 days ago
$170
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Aug 19 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Wed, Aug 20, priced at $170 found 5 days ago
Wed, Aug 6 - Wed, Aug 13
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$172 Roundtrip, found 5 days ago
$172
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 6 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Wed, Aug 13, priced at $172 found 5 days ago
Mon, Oct 20 - Tue, Nov 4
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$183 Roundtrip, found 5 days ago
$183
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Oct 20 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Nov 4, priced at $183 found 5 days ago
Thu, Oct 9 - Tue, Oct 14
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$184 Roundtrip, found 3 days ago
$184
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 9 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Oct 14, priced at $184 found 3 days ago
Mon, Sep 15 - Tue, Sep 30
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$186 Roundtrip, found 5 days ago
$186
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Sep 15 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Tue, Sep 30, priced at $186 found 5 days ago
Tue, Oct 7 - Sun, Oct 12
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 7 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Oct 12, priced at $188 found 3 days ago
Sat, Sep 6 - Sun, Sep 7
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 6 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Sun, Sep 7, priced at $189 found 1 hour ago
Tue, Oct 21 - Mon, Nov 10
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$198 Roundtrip, found 5 days ago
$198
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Mon, Nov 10, priced at $198 found 5 days ago
Wed, Sep 3 - Thu, Sep 4
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$201 Roundtrip, found 6 days ago
$201
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Sep 3 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Thu, Sep 4, priced at $201 found 6 days ago
Wed, Aug 27 - Fri, Sep 5
DTW
Detroit Metropolitan Wayne County
IAD
Washington Dulles Intl.
$201 Roundtrip, found 3 days ago
$201
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Aug 27 from Detroit Metropolitan Wayne County to Washington Dulles Intl., returning Fri, Sep 5, priced at $201 found 3 days ago

Frequently asked questions

What route does flight number DL3697 take?
DL3697 is used on multiple routes, but the most common is between Spokane Intl. Airport and SEA. If your flight is direct, you'll land in about 1 hour and 15 minutes. Multi-stop flights can also use the same number, as can services on other routes.
What kind of plane is on flight number DL3697?
If you've booked a ticket on flight DL3697 from Spokane Intl. Airport (GEG) to Seattle - Tacoma Intl. Airport (SEA), there's a good chance you'll be setting off on an Embraer 175. Flight DL3697 serves more than one route, but this is the most common one.
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 DL3697 flight with Travelocity, please visit our Customer Service Portal.