$154+ Cheap flights from Colorado Springs (COS) to Delaware
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
COS — ILG
Jul 4 — Jul 111
Round-trip
1 adult, Economy
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Find cheap flights from Colorado Springs to Delaware with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado Springs to Delaware
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Cheapest flights from Colorado Springs to DelawareExplore the most affordable flight options available from Colorado Springs to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.
Explore the most affordable flight options available from Colorado Springs to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:21 pm
COS
- PHL
1 stop6h 32m
Delta
Wed 9/94:05 pm
PHL
- COS
1 stop7h 10m
Delta
Deal found 6/1![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:19 pm
COS
- PHL
1 stop6h 55m
Delta
Sat 9/266:00 am
PHL
- COS
1 stop8h 14m
Delta
Deal found 6/1![Delta logo]()
$261
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:10 am
COS
- PHL
1 stop7h 29m
Delta
Sat 7/115:40 am
PHL
- COS
1 stop6h 47m
Delta
Deal found 5/30![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:12 am
COS
- PHL
1 stop6h 36m
American Airlines
Wed 9/95:00 am
PHL
- COS
1 stop6h 22m
American Airlines
Deal found 6/3![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:46 pm
COS
- PHL
1 stop6h 49m
American Airlines
Mon 7/65:00 am
PHL
- COS
1 stop6h 52m
American Airlines
Deal found 6/1![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:53 pm
COS
- PHL
1 stop6h 43m
American Airlines
Tue 6/304:22 pm
PHL
- COS
1 stop8h 02m
American Airlines
Deal found 6/2![American Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
COS
- PHL
1 stop6h 47m
Delta
Sun 8/165:16 pm
PHL
- COS
1 stop6h 22m
Delta
Deal found 5/31![Delta logo]()
$372
Best flights from Colorado Springs to DelawareDiscover carefully curated flight deals from Colorado Springs to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
Discover carefully curated flight deals from Colorado Springs to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:21 pm
COS
- PHL
1 stop6h 32m
Delta
Wed 9/94:05 pm
PHL
- COS
1 stop7h 10m
Delta
Deal found 6/1![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
COS
- PHL
1 stop6h 05m
Southwest
Wed 7/82:20 pm
PHL
- COS
2 stops10h 40m
Southwest
Deal found 6/1![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
COS
- PHL
1 stop8h 17m
Delta
Sat 9/266:00 am
PHL
- COS
1 stop8h 14m
Delta
Deal found 5/31![Delta logo]()
$261
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:15 pm
COS
- PHL
1 stop5h 35m
Southwest
Sun 8/165:00 am
PHL
- COS
1 stop6h 30m
Southwest
Deal found 6/3![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:10 am
COS
- PHL
2 stops10h 06m
Delta
Wed 7/225:40 am
PHL
- COS
1 stop6h 47m
Delta
Deal found 5/30![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:10 am
COS
- PHL
2 stops10h 10m
Southwest
Tue 7/145:40 pm
PHL
- COS
1 stop6h 05m
Southwest
Deal found 6/1![Southwest logo]()
$389
Last-minute flights from Colorado Springs to DelawareDiscover last-minute flight deals from Colorado Springs to Delaware. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Delaware. Data last updated June 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:53 pm
COS
- PHL
1 stop6h 43m
American Airlines
Tue 6/304:22 pm
PHL
- COS
1 stop8h 02m
American Airlines
Deal found 6/2![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:53 pm
COS
- PHL
1 stop6h 43m
American Airlines
Wed 7/85:00 am
PHL
- COS
1 stop6h 52m
American Airlines
Deal found 6/4![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:46 pm
COS
- PHL
1 stop6h 49m
American Airlines
Mon 7/65:00 am
PHL
- COS
1 stop6h 52m
American Airlines
Deal found 6/1![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:46 pm
COS
- PHL
1 stop6h 49m
American Airlines
Wed 7/88:20 am
PHL
- COS
1 stop8h 23m
American Airlines
Deal found 6/2![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:15 am
COS
- PHL
2 stops10h 50m
Southwest
Wed 7/82:20 pm
PHL
- COS
2 stops10h 40m
Southwest
Deal found 6/1![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:10 pm
COS
- PHL
1 stop5h 55m
Southwest
Wed 7/152:20 pm
PHL
- COS
2 stops10h 40m
Southwest
Deal found 6/1![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:10 am
COS
- PHL
1 stop7h 29m
Delta
Sat 7/115:40 am
PHL
- COS
1 stop6h 47m
Delta
Deal found 5/30![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:10 am
COS
- PHL
2 stops10h 06m
Delta
Sun 8/25:40 am
PHL
- COS
1 stop6h 47m
Delta
Deal found 6/2![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:10 am
COS
- PHL
2 stops10h 06m
Delta
Wed 7/225:40 am
PHL
- COS
1 stop6h 47m
Delta
Deal found 5/31![Delta logo]()
$376
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:41 pm
COS
- PHL
1 stop6h 54m
American Airlines
Wed 7/225:38 pm
PHL
- COS
1 stop6h 45m
American Airlines
Deal found 6/3![American Airlines logo]()
$386
One-way flights from Colorado Springs to DelawareSearch for one-way flight options from Colorado Springs to Delaware. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
Search for one-way flight options from Colorado Springs to Delaware. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:41 pm
COS
- PHL
1 stop6h 54m
American Airlines
Deal found 5/30![American Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:30 pm
COS
- PHL
2 stops9h 27m
United Airlines
Deal found 6/2![United Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:53 pm
COS
- PHL
1 stop6h 43m
American Airlines
Deal found 6/1![American Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:53 pm
COS
- PHL
1 stop6h 43m
American Airlines
Deal found 6/1![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:20 pm
COS
- PHL
1 stop5h 25m
Southwest
Deal found 6/3![Southwest logo]()
$207
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:49 pm
COS
- PHL
1 stop6h 46m
American Airlines
Deal found 6/2![American Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
COS
- PHL
1 stop6h 47m
Delta
Deal found 5/31![Delta logo]()
$218
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:30 pm
COS
- PHL
2 stops9h 27m
United Airlines
Deal found 6/2![United Airlines logo]()
$222
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:00 am
COS
- PHL
1 stop6h 52m
United Airlines
Deal found 6/3![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:49 pm
COS
- PHL
2 stops9h 10m
United Airlines
Deal found 6/1![United Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:30 pm
COS
- PHL
2 stops9h 27m
United Airlines
Deal found 6/1![United Airlines logo]()
$237
Find flight deals from Colorado Springs to Delaware
Keep the following information in mind while searching for Colorado Springs to Delaware flight deals. Data was last updated June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Delta) |
One-way from | $154 (American Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $560 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado Springs to Delaware that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
Use the filters below to find and compare flights from Colorado Springs to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Sat 9/5
1:21 pm-9:53 pm
1 stop6h 32m
Philadelphia
Wed 9/9
4:05 pm-9:15 pm
1 stop7h 10m
$249
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Sat 9/19
6:00 am-4:17 pm
1 stop8h 17m
Philadelphia
Sat 9/26
6:00 am-12:14 pm
1 stop8h 14m
$261
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Sat 7/4
7:05 am-3:10 pm
1 stop6h 05m
Philadelphia
Wed 7/8
2:20 pm-11:00 pm
2 stops10h 40m
$376
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Tue 7/14
11:10 am-11:16 pm
2 stops10h 06m
Philadelphia
Wed 7/22
5:40 am-10:27 am
1 stop6h 47m
$376
Quickest round-trip
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Wed 8/12
4:15 pm-11:50 pm
1 stop5h 35m
Philadelphia
Sun 8/16
5:00 am-9:30 am
1 stop6h 30m
$377
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Thu 7/9
6:10 am-6:20 pm
2 stops10h 10m
Philadelphia
Tue 7/14
5:40 pm-9:45 pm
1 stop6h 05m
$389
Cheapest one-way
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Sat 7/18
1:30 pm-12:57 am
2 stops9h 27m
$172
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Tue 7/28
11:10 am-11:16 pm
2 stops10h 06m
$172
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Tue 7/28
1:30 pm-12:57 am
2 stops9h 27m
$222
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Wed 6/10
6:00 am-4:06 pm
1 stop8h 06m
$225
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from Colorado Springs to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from Colorado Springs with our price prediction graph.
COS-PHL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado Springs to Delaware
COS-USDE
COS-PHL
No data available for this route at this time. Please check back soon.
Related info for your journey
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