Delta Flight 1520 Deals & Information (2026/2027)

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Delta Flight 1520 Route Deals From $114

The cheapest prices found with in the last 7 days for return flights were $191 and $114 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 2 - Mon, May 4
PDX
Portland Intl.
SEA
Seattle - Tacoma Intl.
$191 Roundtrip, found 17 hours ago
$191
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 2 from Portland Intl. to Seattle - Tacoma Intl., returning Mon, May 4, priced at $191 found 17 hours ago
Sat, May 2 - Mon, May 4
PDX
Portland Intl.
SEA
Seattle - Tacoma Intl.
$216 Roundtrip, found 17 hours ago
$216
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 2 from Portland Intl. to Seattle - Tacoma Intl., returning Mon, May 4, priced at $216 found 17 hours ago
Mon, May 11 - Tue, May 12
PDX
Portland Intl.
SEA
Seattle - Tacoma Intl.
$232 Roundtrip, found 19 hours ago
$232
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, May 11 from Portland Intl. to Seattle - Tacoma Intl., returning Tue, May 12, priced at $232 found 19 hours ago
Sat, May 2 - Mon, May 4
PDX
Portland Intl.
SEA
Seattle - Tacoma Intl.
$242 Roundtrip, found 17 hours ago
$242
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 2 from Portland Intl. to Seattle - Tacoma Intl., returning Mon, May 4, priced at $242 found 17 hours ago
Mon, May 11 - Tue, May 12
PDX
Portland Intl.
SEA
Seattle - Tacoma Intl.
$242 Roundtrip, found 19 hours ago
$242
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, May 11 from Portland Intl. to Seattle - Tacoma Intl., returning Tue, May 12, priced at $242 found 19 hours ago
Sat, May 2 - Mon, May 4
PDX
Portland Intl.
SEA
Seattle - Tacoma Intl.
$247 Roundtrip, found 17 hours ago
$247
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 2 from Portland Intl. to Seattle - Tacoma Intl., returning Mon, May 4, priced at $247 found 17 hours ago

Frequently asked questions

What route does flight number DL1520 take?
DL1520 serves multiple routes, but the most common is between Houston, TX Airport (IAH-George Bush Intercontinental) and Salt Lake City Intl. Airport. If your flight goes direct, you'll arrive in approximately 3 hours and 5 minutes. Multi-stop flights can also travel under the same number, as can services on other routes.
What terminal does DL1520 fly out of?
DL1520 flights out of Houston Airport normally leave from Terminal A. This flight number runs on multiple routes, but the most frequented one is Houston Airport to SLC.
What kind of plane is on flight number DL1520?
If you're considering booking flight DL1520 from George Bush Intercontinental Airport (IAH) to Salt Lake City Intl. Airport, you're likely to be heading off on the Airbus A220-100. This flight number serves several routes, but this is the busiest.
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 DL1520 flight with Travelocity, please visit our Customer Service Portal.