$128+ Cheap flights from Houston 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ILG
Sep 2 — Sep 91
Round-trip
1 adult, Economy
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Find cheap flights from Houston 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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Cheapest flights from Houston to DelawareExplore the most affordable flight options available from Houston to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.
Explore the most affordable flight options available from Houston to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
IAH
- PHL
1 stop12h 33m
Frontier
Wed 8/196:40 pm
PHL
- IAH
2 stops28h 34m
Frontier
Deal found 7/29![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:35 am
IAH
- PHL
1 stop6h 41m
Frontier
Mon 8/244:45 pm
PHL
- IAH
1 stop15h 35m
Frontier
Deal found 8/1![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:32 am
IAH
- PHL
1 stop10h 01m
Frontier
Mon 9/710:59 pm
PHL
- IAH
2 stops36h 31m
Frontier
Deal found 7/29![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:21 pm
IAH
- PHL
1 stop7h 54m
Frontier
Fri 9/185:32 pm
PHL
- IAH
1 stop5h 58m
Frontier
Deal found 7/29![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:02 pm
IAH
- PHL
1 stop10h 13m
Frontier
Wed 8/198:30 am
PHL
- IAH
1 stop14h 44m
Frontier
Deal found 8/1![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:42 pm
IAH
- PHL
2 stops32h 33m
Frontier
Thu 8/204:45 pm
PHL
- IAH
1 stop6h 29m
Frontier
Deal found 7/29![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:16 pm
IAH
- PHL
1 stop9h 12m
Frontier
Wed 8/126:25 am
PHL
- IAH
1 stop17h 04m
Frontier
Deal found 7/29![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:02 pm
IAH
- PHL
1 stop10h 13m
Frontier
Mon 8/246:40 pm
PHL
- IAH
2 stops28h 34m
Frontier
Deal found 7/31![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:27 pm
IAH
- PHL
1 stop5h 14m
Multiple Airlines
Sun 8/306:00 am
PHL
- IAH
1 stop6h 47m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 11/254:10 pm
IAH
- PHL
Nonstop3h 18m
American Airlines
Tue 12/17:26 pm
PHL
- IAH
Nonstop4h 12m
American Airlines
Deal found 7/30![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:16 pm
IAH
- PHL
1 stop6h 04m
Frontier
Sat 9/54:45 pm
PHL
- IAH
1 stop6h 29m
Frontier
Deal found 8/1![Frontier logo]()
$290
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:50 am
HOU
- PHL
1 stop6h 30m
Southwest
Sat 9/268:55 am
PHL
- HOU
1 stop6h 20m
Southwest
Deal found 8/2![Southwest logo]()
$309
Best flights from Houston to DelawareDiscover carefully curated flight deals from Houston to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 3, 2026.
Discover carefully curated flight deals from Houston to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:28 am
IAH
- PHL
1 stop10h 46m
Frontier
Sun 9/277:41 pm
PHL
- IAH
2 stops26h 33m
Frontier
Deal found 8/2![Frontier logo]()
$283
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:50 am
HOU
- PHL
1 stop6h 30m
Southwest
Sat 9/268:55 am
PHL
- HOU
1 stop6h 20m
Southwest
Deal found 8/2![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/1. 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 12/167:50 am
IAH
- PHL
Nonstop3h 20m
United Airlines
Sun 12/206:46 pm
PHL
- IAH
1 stop6h 34m
United Airlines
Deal found 8/1![United Airlines logo]()
$310
This JetBlue deal was found by Cheapflights users on 7/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:00 pm
IAH
- PHL
1 stop8h 29m
JetBlue
Wed 8/194:59 pm
PHL
- IAH
1 stop7h 00m
JetBlue
Deal found 7/31![JetBlue logo]()
$326
This Delta deal was found by Cheapflights users on 8/2. 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.
Tue 12/229:40 am
IAH
- PHL
1 stop6h 35m
Delta
Sun 12/276:35 am
PHL
- IAH
1 stop5h 31m
Delta
Deal found 8/2![Delta logo]()
$514
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:59 am
IAH
- SBY
1 stop8h 12m
American Airlines
Sat 9/56:05 am
SBY
- IAH
2 stops10h 26m
American Airlines
Deal found 7/31![American Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:05 pm
HOU
- PHL
1 stop5h 15m
Southwest
Wed 10/216:35 pm
PHL
- HOU
1 stop5h 10m
Southwest
Deal found 7/31![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/77:30 am
IAH
- PHL
Nonstop3h 28m
United Airlines
Sat 9/126:16 am
PHL
- IAH
Nonstop3h 34m
United Airlines
Deal found 7/29![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
HOU
- PHL
2 stops7h 20m
Southwest
Tue 9/157:15 am
PHL
- HOU
2 stops7h 35m
Southwest
Deal found 7/30![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:00 pm
HOU
- PHL
2 stops6h 45m
Southwest
Wed 10/216:25 am
PHL
- HOU
2 stops6h 45m
Southwest
Deal found 7/30![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 pm
IAH
- PHL
Nonstop3h 26m
United Airlines
Tue 8/256:56 pm
PHL
- IAH
1 stop6h 31m
United Airlines
Deal found 7/31![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/29. 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 8/205:30 am
HOU
- PHL
1 stop7h 00m
Southwest
Sat 8/292:10 pm
PHL
- HOU
1 stop7h 30m
Southwest
Deal found 7/29![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 9/56:05 pm
IAH
- PHL
Nonstop3h 26m
United Airlines
Fri 9/116:56 pm
PHL
- IAH
1 stop6h 31m
United Airlines
Deal found 8/1![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 am
HOU
- PHL
1 stop7h 25m
Southwest
Sun 9/136:55 pm
PHL
- HOU
1 stop5h 10m
Southwest
Deal found 8/2![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:00 pm
HOU
- PHL
1 stop8h 15m
Southwest
Wed 9/302:45 pm
PHL
- HOU
2 stops6h 20m
Southwest
Deal found 7/31![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:35 pm
HOU
- PHL
2 stops6h 15m
Southwest
Thu 9/246:20 am
PHL
- HOU
1 stop7h 35m
Southwest
Deal found 8/2![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 7/29. 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.
Fri 8/2112:10 pm
HOU
- PHL
1 stop7h 55m
Southwest
Mon 8/245:25 am
PHL
- HOU
1 stop7h 10m
Southwest
Deal found 7/29![Southwest logo]()
$339
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 8/232:12 pm
IAH
- SBY
1 stop7h 46m
American Airlines
Thu 9/36:41 am
SBY
- IAH
1 stop5h 53m
American Airlines
Deal found 7/30![American Airlines logo]()
$693
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:05 pm
HOU
- PHL
1 stop5h 15m
Southwest
Mon 9/285:25 am
PHL
- HOU
1 stop7h 10m
Southwest
Deal found 7/30![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 9/237:30 am
IAH
- PHL
Nonstop3h 28m
United Airlines
Thu 9/246:55 pm
PHL
- IAH
1 stop6h 35m
United Airlines
Deal found 8/2![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/256:10 pm
IAH
- PHL
Nonstop3h 20m
United Airlines
Thu 1/2812:40 pm
PHL
- IAH
Nonstop3h 49m
United Airlines
Deal found 7/31![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/156:05 pm
IAH
- PHL
Nonstop3h 26m
United Airlines
Wed 9/166:56 pm
PHL
- IAH
1 stop6h 31m
United Airlines
Deal found 8/2![United Airlines logo]()
$644
Last-minute flights from Houston to DelawareDiscover last-minute flight deals from Houston to Delaware. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Delaware. Data last updated August 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:16 pm
IAH
- PHL
1 stop6h 04m
Frontier
Sat 8/292:45 pm
PHL
- IAH
1 stop8h 29m
Frontier
Deal found 7/30![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:16 pm
IAH
- PHL
1 stop6h 04m
Frontier
Sat 9/54:45 pm
PHL
- IAH
1 stop6h 29m
Frontier
Deal found 8/1![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:02 pm
IAH
- PHL
1 stop10h 13m
Frontier
Wed 8/198:30 am
PHL
- IAH
1 stop14h 44m
Frontier
Deal found 8/1![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:16 pm
IAH
- PHL
1 stop9h 12m
Frontier
Wed 8/126:25 am
PHL
- IAH
1 stop17h 04m
Frontier
Deal found 7/29![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:14 pm
IAH
- PHL
1 stop10h 25m
Frontier
Mon 8/174:40 pm
PHL
- IAH
1 stop15h 40m
Frontier
Deal found 7/29![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
IAH
- PHL
1 stop12h 33m
Frontier
Wed 8/196:40 pm
PHL
- IAH
2 stops28h 34m
Frontier
Deal found 7/29![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:02 pm
IAH
- PHL
1 stop10h 13m
Frontier
Mon 8/246:40 pm
PHL
- IAH
2 stops28h 34m
Frontier
Deal found 7/31![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:42 pm
IAH
- PHL
2 stops32h 33m
Frontier
Thu 8/204:45 pm
PHL
- IAH
1 stop6h 29m
Frontier
Deal found 7/29![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:35 am
IAH
- PHL
1 stop6h 41m
Frontier
Mon 8/244:45 pm
PHL
- IAH
1 stop15h 35m
Frontier
Deal found 8/1![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:27 pm
IAH
- PHL
1 stop5h 14m
Multiple Airlines
Sun 8/306:00 am
PHL
- IAH
1 stop6h 47m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$288
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:58 pm
IAH
- PHL
1 stop12h 54m
Frontier
Tue 8/257:25 am
PHL
- IAH
1 stop6h 24m
Frontier
Deal found 7/29![Frontier logo]()
$293
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
HOU
- PHL
1 stop6h 40m
Southwest
Sat 9/52:15 pm
PHL
- HOU
1 stop7h 30m
Southwest
Deal found 7/30![Southwest logo]()
$309
One-way flights from Houston to DelawareSearch for one-way flight options from Houston to Delaware. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
Search for one-way flight options from Houston to Delaware. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:57 am
IAH
- PHL
2 stops11h 23m
Frontier
Deal found 7/30![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:45 pm
IAH
- PHL
2 stops14h 54m
Frontier
Deal found 7/30![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:58 pm
IAH
- PHL
2 stops23h 35m
Frontier
Deal found 7/30![Frontier logo]()
$131
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:27 pm
IAH
- PHL
1 stop18h 48m
Frontier
Deal found 7/31![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:38 pm
IAH
- PHL
2 stops23h 40m
Frontier
Deal found 7/29![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:55 pm
IAH
- PHL
2 stops15h 31m
Frontier
Deal found 8/2![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:11 pm
IAH
- PHL
2 stops25h 22m
Frontier
Deal found 7/29![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:12 pm
IAH
- PHL
2 stops14h 04m
Frontier
Deal found 7/31![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:02 pm
IAH
- PHL
1 stop10h 13m
Frontier
Deal found 7/29![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:38 pm
IAH
- PHL
2 stops31h 38m
Frontier
Deal found 7/31![Frontier logo]()
$143
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/121:56 pm
HOU
- PHL
1 stop5h 44m
American Airlines
Deal found 7/29![American Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/65:41 am
HOU
- PHL
1 stop7h 17m
American Airlines
Deal found 7/30![American Airlines logo]()
$155
Find flight deals from Houston to Delaware
Keep the following information in mind while searching for Houston to Delaware flight deals. Data was last updated August 3, 2026.
Round-trip from | $279 (Kiwi.com) |
|---|---|
One-way from | $128 (Kiwi.com) |
Popular in | April |
Cheapest in | November |
Average price | $309 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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 August 3, 2026.
Use the filters below to find and compare flights from Houston to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Wed 9/9
6:28 am-6:14 pm
1 stop10h 46m
Philadelphia
Sun 9/27
7:41 pm-9:14 pm
2 stops26h 33m
$283
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Wed 9/9
6:50 am-2:20 pm
1 stop6h 30m
Philadelphia
Sat 9/26
8:55 am-2:15 pm
1 stop6h 20m
$309
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Sat 10/17
4:05 pm-10:20 pm
1 stop5h 15m
Philadelphia
Wed 10/21
6:35 pm-10:45 pm
1 stop5h 10m
$309
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Wed 12/16
7:50 am-12:10 pm
Nonstop3h 20m
Philadelphia
Sun 12/20
6:46 pm-12:20 am
1 stop6h 34m
$310
Quickest round-trip
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Mon 9/7
7:30 am-11:58 am
Nonstop3h 28m
Philadelphia
Sat 9/12
6:16 am-8:50 am
Nonstop3h 34m
$314
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Tue 9/8
6:00 am-2:20 pm
2 stops7h 20m
Philadelphia
Tue 9/15
7:15 am-1:50 pm
2 stops7h 35m
$319
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Tue 10/20
2:00 pm-9:45 pm
2 stops6h 45m
Philadelphia
Wed 10/21
6:25 am-12:10 pm
2 stops6h 45m
$319
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Thu 8/20
5:30 am-1:30 pm
1 stop7h 00m
Philadelphia
Sat 8/29
2:10 pm-8:40 pm
1 stop7h 30m
$324
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Thu 9/10
9:00 am-5:25 pm
1 stop7h 25m
Philadelphia
Sun 9/13
6:55 pm-11:05 pm
1 stop5h 10m
$324
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Tue 8/18
1:00 pm-10:29 pm
1 stop8h 29m
Philadelphia
Wed 8/19
4:59 pm-10:59 pm
1 stop7h 00m
$326
Showing 1-10 of 52 resultsSorted by cheapest first
Best time to book a flight from Houston to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from Houston with our price prediction graph.
IAH-PHL
HOU-PHL
IAH-SBY
HOU-SBY
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 Houston to Delaware
HO1-USDE
IAH-PHL
HOU-PHL
IAH-SBY
HOU-SBY
No data available for this route at this time. Please check back soon.
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