Delta Flight DL3503 Deals & Information (2025/2026)

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Delta Flight 3503 Route Deals From $169

The cheapest prices found with in the last 7 days for return flights were $199 and $169 for one-way flights to Salt Lake City Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 23 - Sun, Apr 26
BOI
Boise
SLC
Salt Lake City Intl.
$199 Roundtrip, found 4 hours ago
$199
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Apr 23 from Boise to Salt Lake City Intl., returning Sun, Apr 26, priced at $199 found 4 hours ago
Thu, Oct 9 - Sun, Oct 19
BOI
Boise
SLC
Salt Lake City Intl.
$203 Roundtrip, found 17 hours ago
$203
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Oct 9 from Boise to Salt Lake City Intl., returning Sun, Oct 19, priced at $203 found 17 hours ago
Tue, Nov 4 - Sat, Nov 22
BOI
Boise
SLC
Salt Lake City Intl.
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Boise to Salt Lake City Intl., returning Sat, Nov 22, priced at $219 found 1 day ago
Tue, Oct 14 - Fri, Oct 24
BOI
Boise
SLC
Salt Lake City Intl.
$223 Roundtrip, found 23 hours ago
$223
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Oct 14 from Boise to Salt Lake City Intl., returning Fri, Oct 24, priced at $223 found 23 hours ago
Fri, Oct 24 - Sat, Oct 25
BOI
Boise
SLC
Salt Lake City Intl.
$246 Roundtrip, found 6 days ago
$246
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 24 from Boise to Salt Lake City Intl., returning Sat, Oct 25, priced at $246 found 6 days ago
Mon, Sep 29 - Sat, Oct 4
BOI
Boise
SLC
Salt Lake City Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Sep 29 from Boise to Salt Lake City Intl., returning Sat, Oct 4, priced at $249 found 1 day ago
Thu, Oct 9 - Mon, Oct 13
BOI
Boise
SLC
Salt Lake City Intl.
$254 Roundtrip, found 17 hours ago
$254
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Oct 9 from Boise to Salt Lake City Intl., returning Mon, Oct 13, priced at $254 found 17 hours ago
Thu, Oct 9 - Fri, Oct 10
BOI
Boise
SLC
Salt Lake City Intl.
$255 Roundtrip, found 5 hours ago
$255
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Oct 9 from Boise to Salt Lake City Intl., returning Fri, Oct 10, priced at $255 found 5 hours ago
Tue, Oct 28 - Fri, Oct 31
BOI
Boise
SLC
Salt Lake City Intl.
$256 Roundtrip, found 6 days ago
$256
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 28 from Boise to Salt Lake City Intl., returning Fri, Oct 31, priced at $256 found 6 days ago
Sat, Oct 11 - Sun, Oct 12
BOI
Boise
SLC
Salt Lake City Intl.
$264 Roundtrip, found 17 hours ago
$264
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Oct 11 from Boise to Salt Lake City Intl., returning Sun, Oct 12, priced at $264 found 17 hours ago
Sat, Dec 6 - Mon, Dec 22
BOI
Boise
SLC
Salt Lake City Intl.
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 6 from Boise to Salt Lake City Intl., returning Mon, Dec 22, priced at $269 found 2 days ago
Tue, Nov 4 - Wed, Nov 26
BOI
Boise
SLC
Salt Lake City Intl.
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Boise to Salt Lake City Intl., returning Wed, Nov 26, priced at $271 found 1 day ago

Frequently asked questions

What route does flight number DL3503 take?
DL3503 operates non-stop from Boise Airport (BOI) to Sea-Tac Airport. During this trip, you'll be in the air for around 1 hour and 44 minutes. It's wise to book ahead to get your favorite seat.
What kind of plane is on flight number DL3503?
Get set to cruise aboard an Embraer 175 if you're booked on flight DL3503. Most services from Boise, ID Airport (BOI) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) operate using this kind of plane.
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 DL3503 flight with Travelocity, please visit our Customer Service Portal.