$98+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ILG
Jun 27 — Jul 41
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
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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 May 28, 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 May 28, 2026.
This Frontier deal was found by Cheapflights users on 5/23. 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.
Tue 9/16:30 am
IAH
- PHL
2 stops17h 14m
Frontier
Wed 9/27:00 am
PHL
- IAH
Nonstop3h 41m
Frontier
Deal found 5/23![Frontier logo]()
$230
This Booking.com deal was found by Cheapflights users on 5/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:37 pm
IAH
- PHL
1 stop26h 44m
Frontier
Mon 6/227:00 am
PHL
- IAH
Nonstop3h 41m
Frontier
Deal found 5/27![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/88:37 pm
IAH
- PHL
1 stop26h 50m
Frontier
Tue 7/217:20 am
PHL
- IAH
1 stop5h 59m
Frontier
Deal found 5/26![Frontier logo]()
$246
This Mytrip deal was found by Cheapflights users on 5/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am
IAH
- PHL
1 stop15h 11m
Frontier
Sun 9/276:00 am
PHL
- IAH
Nonstop3h 42m
Frontier
Deal found 5/26![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/88:37 pm
IAH
- PHL
1 stop26h 50m
Frontier
Sat 7/254:30 pm
PHL
- IAH
1 stop7h 09m
Frontier
Deal found 5/25![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/198:20 am
IAH
- PHL
1 stop15h 19m
Frontier
Mon 7/275:25 pm
PHL
- IAH
1 stop15h 59m
Frontier
Deal found 5/24![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/158:37 pm
IAH
- PHL
1 stop26h 50m
Frontier
Wed 7/294:30 pm
PHL
- IAH
1 stop7h 09m
Frontier
Deal found 5/26![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/108:20 am
IAH
- PHL
1 stop15h 19m
Frontier
Thu 7/165:25 pm
PHL
- IAH
1 stop15h 59m
Frontier
Deal found 5/26![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 8/208:29 am
IAH
- PHL
1 stop15h 15m
Frontier
Tue 9/84:35 pm
PHL
- IAH
1 stop7h 13m
Frontier
Deal found 5/23![Frontier logo]()
$260
This Delta deal was found by Cheapflights users on 5/25. 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 10/105:55 am
IAH
- PHL
1 stop8h 04m
Delta
Wed 10/146:35 am
PHL
- IAH
1 stop13h 24m
Delta
Deal found 5/25![Delta logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 7/108:20 am
IAH
- PHL
1 stop15h 19m
Frontier
Mon 7/135:25 pm
PHL
- IAH
1 stop15h 59m
Frontier
Deal found 5/28![Frontier logo]()
$264
This Delta deal was found by Cheapflights users on 5/25. 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 10/105:35 pm
HOU
- PHL
1 stop14h 52m
Delta
Tue 10/135:12 pm
PHL
- HOU
1 stop5h 31m
Delta
Deal found 5/25![Delta logo]()
$281
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 May 28, 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 May 28, 2026.
This United Airlines deal was found by Cheapflights users on 5/25. 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 7/86:10 am
IAH
- PHL
1 stop7h 37m
United Airlines
Wed 7/296:15 am
PHL
- IAH
Nonstop3h 29m
United Airlines
Deal found 5/25![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 5/26. 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 8/136:00 am
HOU
- PHL
1 stop6h 26m
Delta
Tue 8/188:10 am
PHL
- HOU
1 stop5h 06m
Delta
Deal found 5/26![Delta logo]()
$314
This Southwest deal was found by Cheapflights users on 5/27. 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 7/253:40 pm
HOU
- PHL
1 stop7h 15m
Southwest
Tue 7/281:50 pm
PHL
- HOU
2 stops7h 15m
Southwest
Deal found 5/27![Southwest logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 8/76:00 am
IAH
- SBY
2 stops12h 54m
Multiple Airlines
Mon 8/108:34 pm
SBY
- IAH
1 stop13h 11m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 5/28. 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 10/104:32 pm
IAH
- SBY
1 stop5h 28m
American Airlines
Thu 10/156:41 am
SBY
- IAH
1 stop5h 30m
American Airlines
Deal found 5/28![American Airlines logo]()
$562
This United Airlines deal was found by Cheapflights users on 5/27. 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 8/56:32 pm
IAH
- PHL
Nonstop3h 31m
United Airlines
Mon 8/107:00 pm
PHL
- IAH
1 stop6h 34m
United Airlines
Deal found 5/27![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 5/24. 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 6/206:03 am
HOU
- PHL
1 stop7h 14m
Delta
Tue 6/236:25 am
PHL
- HOU
1 stop6h 47m
Delta
Deal found 5/24![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Fri 8/146:05 pm
IAH
- PHL
Nonstop3h 26m
United Airlines
Mon 8/176:16 am
PHL
- IAH
Nonstop3h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 5/23. 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 7/281:20 pm
HOU
- PHL
2 stops7h 05m
Southwest
Sat 8/17:55 am
PHL
- HOU
2 stops13h 35m
Southwest
Deal found 5/23![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 5/27. 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 7/2310:40 am
HOU
- PHL
1 stop5h 32m
Delta
Sun 7/265:15 am
PHL
- HOU
1 stop5h 30m
Delta
Deal found 5/27![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/23. 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.
Fri 7/2410:40 am
HOU
- PHL
1 stop6h 32m
Delta
Sun 7/265:15 am
PHL
- HOU
1 stop5h 30m
Delta
Deal found 5/23![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 5/26. 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 6/612:20 pm
HOU
- PHL
2 stops7h 35m
Southwest
Wed 6/175:15 am
PHL
- HOU
1 stop9h 40m
Southwest
Deal found 5/26![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 10/1612:20 pm
IAH
- PHL
Nonstop3h 28m
United Airlines
Mon 10/196:16 am
PHL
- IAH
Nonstop3h 33m
United Airlines
Deal found 5/25![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 5/27. 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.
Fri 7/31:10 pm
HOU
- PHL
1 stop7h 09m
Delta
Mon 7/65:15 am
PHL
- HOU
1 stop4h 59m
Delta
Deal found 5/27![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 5/25. 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 7/95:40 pm
HOU
- PHL
1 stop5h 45m
Southwest
Thu 7/165:20 pm
PHL
- HOU
1 stop5h 30m
Southwest
Deal found 5/25![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 8/135:00 am
IAH
- PHL
1 stop6h 23m
United Airlines
Sun 8/166:16 am
PHL
- IAH
Nonstop3h 34m
United Airlines
Deal found 5/25![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 5/23. 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 7/95:17 pm
HOU
- PHL
1 stop6h 42m
Delta
Sun 7/125:15 am
PHL
- HOU
1 stop5h 30m
Delta
Deal found 5/23![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 5/27. 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 7/227:31 am
IAH
- PHL
Nonstop3h 27m
United Airlines
Tue 7/2810:32 am
PHL
- IAH
1 stop7h 42m
United Airlines
Deal found 5/27![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/26. 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 6/610:27 am
HOU
- PHL
1 stop7h 10m
Delta
Wed 6/175:15 am
PHL
- HOU
1 stop4h 59m
Delta
Deal found 5/26![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/267:31 am
IAH
- PHL
Nonstop3h 27m
United Airlines
Sun 6/286:00 am
PHL
- IAH
Nonstop3h 42m
United Airlines
Deal found 5/23![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 5/25. 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 6/2412:50 pm
HOU
- SBY
2 stops9h 20m
American Airlines
Thu 7/26:41 am
SBY
- HOU
2 stops10h 04m
American Airlines
Deal found 5/25![American Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 5/27. 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 7/146:05 pm
IAH
- PHL
Nonstop3h 24m
United Airlines
Sun 7/197:58 pm
PHL
- IAH
Nonstop3h 34m
United Airlines
Deal found 5/27![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 5/27. 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.
Fri 6/125:08 pm
HOU
- PHL
1 stop6h 51m
Delta
Tue 6/165:15 am
PHL
- HOU
1 stop4h 59m
Delta
Deal found 5/27![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Fri 8/146:05 pm
IAH
- PHL
Nonstop3h 26m
United Airlines
Tue 8/186:56 pm
PHL
- IAH
1 stop6h 31m
United Airlines
Deal found 5/27![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 5/27. 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 6/1112:50 pm
HOU
- SBY
2 stops9h 20m
American Airlines
Mon 6/156:40 am
SBY
- HOU
2 stops10h 05m
American Airlines
Deal found 5/27![American Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 5/24. 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 7/225:04 am
IAH
- PHL
1 stop6h 21m
United Airlines
Mon 7/277:58 pm
PHL
- IAH
Nonstop3h 34m
United Airlines
Deal found 5/24![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Thu 8/137:30 am
IAH
- PHL
Nonstop3h 28m
United Airlines
Mon 8/176:16 am
PHL
- IAH
Nonstop3h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 5/25. 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 6/96:03 am
HOU
- SBY
2 stops9h 06m
American Airlines
Sat 6/134:34 pm
SBY
- HOU
2 stops8h 25m
American Airlines
Deal found 5/25![American Airlines logo]()
$869
This American Airlines deal was found by Cheapflights users on 5/23. 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 6/712:50 pm
HOU
- SBY
2 stops9h 20m
American Airlines
Thu 6/114:34 pm
SBY
- HOU
2 stops8h 25m
American Airlines
Deal found 5/23![American Airlines logo]()
$1,015
Last-minute flights from Houston to DelawareDiscover last-minute flight deals from Houston to Delaware. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Delaware. Data last updated May 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/23. 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 5/277:02 am
IAH
- PHL
Nonstop3h 24m
American Airlines
Sat 8/157:50 pm
PHL
- IAH
Nonstop3h 50m
American Airlines
Deal found 5/23![American Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 5/23. 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 5/282:35 pm
HOU
- PHL
1 stop7h 30m
Southwest
Fri 5/295:25 pm
PHL
- HOU
1 stop7h 05m
Southwest
Deal found 5/23![Southwest logo]()
$299
This Trip.com deal was found by Cheapflights users on 5/25. 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.
Tue 6/169:42 am
IAH
- PHL
1 stop6h 12m
Frontier
Wed 6/177:00 am
PHL
- IAH
Nonstop3h 41m
Frontier
Deal found 5/25![Frontier logo]()
$282
This Booking.com deal was found by Cheapflights users on 5/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:37 pm
IAH
- PHL
1 stop26h 44m
Frontier
Sat 6/207:00 am
PHL
- IAH
Nonstop3h 41m
Frontier
Deal found 5/23![Frontier logo]()
$276
This Mytrip deal was found by Cheapflights users on 5/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:36 am
IAH
- PHL
Nonstop3h 31m
Frontier
Fri 6/198:37 pm
PHL
- IAH
1 stop15h 05m
Frontier
Deal found 5/27![Frontier logo]()
$280
This Booking.com deal was found by Cheapflights users on 5/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:37 pm
IAH
- PHL
1 stop26h 44m
Frontier
Mon 6/227:00 am
PHL
- IAH
Nonstop3h 41m
Frontier
Deal found 5/27![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 6/2010:36 am
IAH
- PHL
Nonstop3h 31m
Frontier
Tue 6/234:35 pm
PHL
- IAH
1 stop7h 13m
Frontier
Deal found 5/25![Frontier logo]()
$281
This Southwest deal was found by Cheapflights users on 5/25. 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 6/207:50 am
HOU
- PHL
1 stop7h 20m
Southwest
Wed 6/247:20 pm
PHL
- HOU
1 stop5h 20m
Southwest
Deal found 5/25![Southwest logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/239:42 am
IAH
- PHL
1 stop6h 12m
Frontier
Tue 6/307:20 am
PHL
- IAH
1 stop5h 52m
Frontier
Deal found 5/26![Frontier logo]()
$266
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:36 am
IAH
- PHL
Nonstop3h 31m
Frontier
Wed 7/17:20 am
PHL
- IAH
1 stop5h 52m
Frontier
Deal found 5/26![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 5/27. 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.
Wed 6/248:55 pm
IAH
- PHL
1 stop9h 24m
Frontier
Sat 6/277:00 am
PHL
- IAH
Nonstop3h 41m
Frontier
Deal found 5/27![Frontier logo]()
$274
This deal was found by Cheapflights users on 5/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:42 am
IAH
- PHL
1 stop6h 12m
Frontier
Wed 7/157:20 am
PHL
- IAH
1 stop5h 59m
Frontier
Deal found 5/28![Frontier logo]()
$270
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 May 28, 2026.
Search for one-way flight options from Houston to Delaware. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/228:37 pm
IAH
- PHL
1 stop26h 50m
Frontier
Deal found 5/24![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/88:37 pm
IAH
- PHL
1 stop26h 50m
Frontier
Deal found 5/25![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 7/158:37 pm
IAH
- PHL
1 stop26h 50m
Frontier
Deal found 5/26![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/198:20 am
IAH
- PHL
1 stop15h 19m
Frontier
Deal found 5/24![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/98:20 am
IAH
- PHL
1 stop15h 19m
Frontier
Deal found 5/25![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:42 am
IAH
- PHL
1 stop6h 12m
Frontier
Deal found 5/25![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 5/27. 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.
Tue 6/309:42 am
IAH
- PHL
1 stop6h 12m
Frontier
Deal found 5/27![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:36 am
IAH
- PHL
Nonstop3h 31m
Frontier
Deal found 5/28![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:55 pm
IAH
- PHL
1 stop9h 24m
Frontier
Deal found 5/26![Frontier logo]()
$139
This Southwest deal was found by Cheapflights users on 5/27. 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 6/135:05 pm
HOU
- PHL
1 stop5h 50m
Southwest
Deal found 5/27![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 5/26. 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 7/32:55 pm
HOU
- PHL
1 stop7h 55m
Southwest
Deal found 5/26![Southwest logo]()
$165
This Southwest deal was found by Cheapflights users on 5/24. 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 6/2311:05 am
HOU
- PHL
1 stop10h 15m
Southwest
Deal found 5/24![Southwest logo]()
$170
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 May 28, 2026.
Round-trip from | $230 (Frontier) |
|---|---|
One-way from | $98 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $339 |
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 May 28, 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 7/8
6:10 am-2:47 pm
1 stop7h 37m
Philadelphia
Wed 7/29
6:15 am-8:44 am
Nonstop3h 29m
$289
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Wed 8/5
6:32 pm-11:03 pm
Nonstop3h 31m
Philadelphia
Mon 8/10
7:00 pm-12:34 am
1 stop6h 34m
$304
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Fri 8/14
6:05 pm-10:31 pm
Nonstop3h 26m
Philadelphia
Mon 8/17
6:16 am-8:50 am
Nonstop3h 34m
$309
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Thu 8/13
6:00 am-1:26 pm
1 stop6h 26m
Philadelphia
Tue 8/18
8:10 am-12:16 pm
1 stop5h 06m
$314
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Sat 6/20
6:03 am-2:17 pm
1 stop7h 14m
Philadelphia
Tue 6/23
6:25 am-12:12 pm
1 stop6h 47m
$314
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Sat 7/25
3:40 pm-11:55 pm
1 stop7h 15m
Philadelphia
Tue 7/28
1:50 pm-8:05 pm
2 stops7h 15m
$319
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Thu 7/23
10:40 am-5:12 pm
1 stop5h 32m
Philadelphia
Sun 7/26
5:15 am-9:45 am
1 stop5h 30m
$329
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Fri 7/24
10:40 am-6:12 pm
1 stop6h 32m
Philadelphia
Sun 7/26
5:15 am-9:45 am
1 stop5h 30m
$329
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Fri 10/16
12:20 pm-4:48 pm
Nonstop3h 28m
Philadelphia
Mon 10/19
6:16 am-8:49 am
Nonstop3h 33m
$344
HoustonPhiladelphia
HOU - PHL
HOUPHL
Houston Hobby
Fri 7/3
1:10 pm-9:19 pm
1 stop7h 09m
Philadelphia
Mon 7/6
5:15 am-9:14 am
1 stop4h 59m
$344
Showing 1-10 of 50 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.
HOU-PHL
IAH-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
HOU-PHL
IAH-PHL
IAH-SBY
HOU-SBY
No data available for this route at this time. Please check back soon.
Related info for your journey
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