Cheap Flights To Sterling 2025

Photo by Jeffrey Offermann

Sterling Flights as Low as $122

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jun 9 - Tue, Jun 17
CLE
Hopkins Intl.
DEN
Denver Intl.
$122 Roundtrip, found 8 hours ago
$122
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, Jun 9 from Hopkins Intl. to Denver Intl., returning Tue, Jun 17, priced at $122 found 8 hours ago
Frontier Airlines
Tue, Jun 10 - Sat, Jun 14
PDX
Portland Intl.
DEN
Denver Intl.
$134 Roundtrip, found 14 hours ago
$134
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Jun 10 from Portland Intl. to Denver Intl., returning Sat, Jun 14, priced at $134 found 14 hours ago
Frontier Airlines
Tue, May 20 - Tue, May 27
PDX
Portland Intl.
DEN
Denver Intl.
$144 Roundtrip, found 2 days ago
$144
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 20 from Portland Intl. to Denver Intl., returning Tue, May 27, priced at $144 found 2 days ago
Frontier Airlines
Tue, Jul 15 - Tue, Jul 22
PDX
Portland Intl.
DEN
Denver Intl.
$148 Roundtrip, found 2 days ago
$148
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 15 from Portland Intl. to Denver Intl., returning Tue, Jul 22, priced at $148 found 2 days ago
Frontier Airlines
Sat, May 17 - Sat, May 24
PHL
Philadelphia Intl.
DEN
Denver Intl.
$153 Roundtrip, found 18 hours ago
$153
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from Philadelphia Intl. to Denver Intl., returning Sat, May 24, priced at $153 found 18 hours ago
Frontier Airlines
Sat, Jun 14 - Tue, Jun 17
PDX
Portland Intl.
DEN
Denver Intl.
$156 Roundtrip, found 14 hours ago
$156
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Portland Intl. to Denver Intl., returning Tue, Jun 17, priced at $156 found 14 hours ago
Alaska Airlines
Wed, Jun 4 - Mon, Jun 9
PDX
Portland Intl.
DEN
Denver Intl.
$187 Roundtrip, found 14 hours ago
$187
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Portland Intl. to Denver Intl., returning Mon, Jun 9, priced at $187 found 14 hours ago
United
Fri, May 23 - Wed, May 28
PDX
Portland Intl.
DEN
Denver Intl.
$187 Roundtrip, found 11 hours ago
$187
Roundtrip
found 11 hours ago
Select United flight, departing Fri, May 23 from Portland Intl. to Denver Intl., returning Wed, May 28, priced at $187 found 11 hours ago
Delta
Wed, Jun 4 - Mon, Jun 9
PDX
Portland Intl.
DEN
Denver Intl.
$207 Roundtrip, found 14 hours ago
$207
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Jun 4 from Portland Intl. to Denver Intl., returning Mon, Jun 9, priced at $207 found 14 hours ago
American Airlines
Wed, Jun 11 - Mon, Jun 16
PDX
Portland Intl.
DEN
Denver Intl.
$227 Roundtrip, found 14 hours ago
$227
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Jun 11 from Portland Intl. to Denver Intl., returning Mon, Jun 16, priced at $227 found 14 hours ago
JetBlue Airways
Mon, Aug 25 - Mon, Sep 8
CLE
Hopkins Intl.
DEN
Denver Intl.
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Aug 25 from Hopkins Intl. to Denver Intl., returning Mon, Sep 8, priced at $249 found 6 days ago
United
Tue, May 27 - Tue, Jun 3
SUX
Sioux Gateway
DEN
Denver Intl.
$254 Roundtrip, found 14 hours ago
$254
Roundtrip
found 14 hours ago
Select United flight, departing Tue, May 27 from Sioux Gateway to Denver Intl., returning Tue, Jun 3, priced at $254 found 14 hours ago
Frontier Airlines
Fri, May 16 - Wed, May 21
TTN
Mercer
DEN
Denver Intl.
$260 Roundtrip, found 18 hours ago
$260
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Mercer to Denver Intl., returning Wed, May 21, priced at $260 found 18 hours ago
Alaska Airlines
Tue, Sep 30 - Tue, Oct 7
GEG
Spokane Intl.
DEN
Denver Intl.
$267 Roundtrip, found 12 hours ago
$267
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue, Sep 30 from Spokane Intl. to Denver Intl., returning Tue, Oct 7, priced at $267 found 12 hours ago
Delta
Tue, Oct 21 - Sat, Oct 25
BGR
Bangor Intl.
DEN
Denver Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 21 from Bangor Intl. to Denver Intl., returning Sat, Oct 25, priced at $289 found 1 day ago
Frontier Airlines
Sat, May 3 - Thu, May 8
BDL
Bradley Intl.
DEN
Denver Intl.
$320 Roundtrip, found 18 hours ago
$320
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sat, May 3 from Bradley Intl. to Denver Intl., returning Thu, May 8, priced at $320 found 18 hours ago

Sterling Flights

Do you have a travel itch? Maybe it's time to book a flight to Sterling. And with the AARP Travel Center Powered by Expedia®, you are in good hands. AARP Travel features their members-only discount with the best rates from Expedia, offering members the best price in travel, guaranteed. AARP members will not pay booking fees on flights, and often receive exclusive rates on hotels and car rentals.

Once you have got your trip scheduled, we'll show you a full list of deals for your route. Don't forget to look at flights to alternative airports nearby, which can help you score a lower airfare rate.

Sterling Airport Transportation

Once you've reserved plane tickets to Sterling with AARP Travel, you may want to book a rental car so you can get around Sterling. You can book Sterling car rentals under our cars tab and hop into the car right when you step out of the airport. For more information, check out the Sterling Car Rentals Guide.

Things to Do in Sterling

If you aren't sure where to start, we can help you with that as well. Not to worry—there's plenty to do in this city. Sterling has so much to do, and we can help you get started.

If you're looking for some fun activities to do in Sterling, make sure you look at our "Things to Do in Sterling" page for activities and excursions for the whole crew.

Book Your Hotel in Sterling

Sterling has accommodation to choose from, make sure you check out our hotel listings tab for some great recommendations from past visitors. No matter where you stay, just remember that you'll get the best for your getaway when you book your stay with us.

Booking Your Trip

We know that you want to focus more on the fun stuff and less on the airfare prices, so we provide travel arrangements that fall within your budget. Don't wait a minute longer—book your airfare today and land in Sterling tomorrow.