Delta Flight 3685 Deals & Information (2025/2026)

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Delta Flight 3685 Route Deals From $163

The cheapest prices found with in the last 7 days for return flights were $199 and $163 for one-way flights to Hopkins Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 30 - Thu, Jan 1
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 30 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Thu, Jan 1, priced at $199 found 4 days ago
Tue, Oct 28 - Sat, Nov 8
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$203 Roundtrip, found 4 days ago
$203
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 28 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Sat, Nov 8, priced at $203 found 4 days ago
Sat, Oct 25 - Sun, Oct 26
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Sun, Oct 26, priced at $219 found 2 days ago
Tue, Oct 21 - Sat, Oct 25
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$224 Roundtrip, found 2 days ago
$224
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 21 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Sat, Oct 25, priced at $224 found 2 days ago
Fri, Oct 31 - Sat, Nov 8
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Oct 31 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Sat, Nov 8, priced at $249 found 4 days ago
Mon, Dec 29 - Fri, Jan 2
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Dec 29 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Fri, Jan 2, priced at $259 found 4 days ago
Thu, Oct 2 - Tue, Oct 14
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Tue, Oct 14, priced at $265 found 6 days ago
Sun, Dec 28 - Sat, Jan 3
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Dec 28 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Sat, Jan 3, priced at $309 found 4 days ago
Thu, Oct 2 - Tue, Oct 14
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$316 Roundtrip, found 6 days ago
$316
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Tue, Oct 14, priced at $316 found 6 days ago
Mon, Dec 29 - Fri, Jan 2
DTW
Detroit Metropolitan Wayne County
CLE
Hopkins Intl.
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Dec 29 from Detroit Metropolitan Wayne County to Hopkins Intl., returning Fri, Jan 2, priced at $319 found 4 days ago

Frequently asked questions

What route does flight number DL3685 take?
DL3685 is used on multiple routes. Most often, DL3685 flies directly from Tri-Cities Airport to Seattle - Tacoma Intl. Airport (SEA). If this is your route, you'll be airborne for roughly 1 hour and 8 minutes.
How often is DL3685 on time?
Delta flight number DL3685 between PSC and Seattle - Tacoma Intl. Airport (SEA) runs according to schedule 98% of the time, which means you can take it easy knowing you will get to your destination ASAP. In the rare event that it is behind schedule, it is delayed on average by 28 minutes. This flight has a 3.85-star rating.
What kind of plane is on flight number DL3685?
It's possible you'll be on board an Embraer 175 if you're going from Pasco, WA Airport (PSC-Tri-Cities) to Seattle - Tacoma Intl. Airport (SEA), a common route for flight number DL3685.
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 DL3685 flight with Travelocity, please visit our Customer Service Portal.