$383+ Cheap flights from Philadelphia (PHL) to Southampton (SOU)
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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOU
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Philadelphia to Southampton 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 Philadelphia to Southampton
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Best
Last-minute
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Cheapest flights from Philadelphia to SouthamptonExplore the most affordable flight options available from Philadelphia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Philadelphia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This KLM deal was found by Cheapflights users on 2/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:42 am
PHL
- SOU
2 stops16h 38m
KLM
Tue 3/175:35 pm
SOU
- PHL
2 stops30h 14m
KLM
Deal found 2/11![KLM logo]()
$771
This Delta deal was found by Cheapflights users on 2/13. 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.
Mon 7/276:30 pm
PHL
- SOU
2 stops18h 05m
Delta
Tue 8/46:05 pm
SOU
- PHL
2 stops33h 32m
Delta
Deal found 2/13![Delta logo]()
$881
This BusinessClass deal was found by Cheapflights users on 2/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:30 pm
PHL
- SOU
1 stop13h 25m
Multiple Airlines
Tue 3/1712:25 pm
SOU
- PHL
1 stop30h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$918
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:50 pm
PHL
- SOU
1 stop19h 40m
Multiple Airlines
Mon 9/75:05 pm
SOU
- PHL
1 stop28h 00m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$960
This Justfly.com deal was found by Cheapflights users on 2/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:12 am
PHL
- SOU
2 stops29h 18m
Aer Lingus
Mon 9/78:00 pm
SOU
- PHL
1 stop27h 55m
Aer Lingus
Deal found 2/12![Aer Lingus logo]()
$961
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 5/246:00 am
PHL
- SOU
2 stops21h 35m
Delta
Tue 5/265:20 pm
SOU
- PHL
2 stops27h 52m
Delta
Deal found 2/10![Delta logo]()
$976
Best flights from Philadelphia to SouthamptonDiscover carefully curated flight deals from Philadelphia to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Philadelphia to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This KLM deal was found by Cheapflights users on 2/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:42 am
PHL
- SOU
2 stops16h 38m
KLM
Tue 3/175:35 pm
SOU
- PHL
2 stops30h 14m
KLM
Deal found 2/11![KLM logo]()
$771
This Delta deal was found by Cheapflights users on 2/13. 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 7/281:20 pm
PHL
- SOU
2 stops14h 25m
Delta
Tue 8/46:05 pm
SOU
- PHL
2 stops33h 32m
Delta
Deal found 2/13![Delta logo]()
$881
This Delta deal was found by Cheapflights users on 2/13. 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.
Mon 7/276:30 pm
PHL
- SOU
2 stops18h 05m
Delta
Tue 8/46:05 pm
SOU
- PHL
2 stops33h 32m
Delta
Deal found 2/13![Delta logo]()
$881
This Delta deal was found by Cheapflights users on 2/13. 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 7/296:00 am
PHL
- SOU
2 stops30h 35m
Delta
Tue 8/46:05 pm
SOU
- PHL
2 stops33h 32m
Delta
Deal found 2/13![Delta logo]()
$881
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 5/259:26 am
PHL
- SOU
2 stops26h 24m
Delta
Wed 5/275:20 pm
SOU
- PHL
2 stops27h 52m
Delta
Deal found 2/10![Delta logo]()
$976
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 5/2410:35 am
PHL
- SOU
2 stops17h 00m
Delta
Fri 5/299:05 am
SOU
- PHL
2 stops18h 09m
Delta
Deal found 2/10![Delta logo]()
$976
This Delta deal was found by Cheapflights users on 2/11. 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.
Mon 5/251:48 pm
PHL
- SOU
2 stops22h 02m
Delta
Thu 5/285:20 pm
SOU
- PHL
2 stops27h 52m
Delta
Deal found 2/11![Delta logo]()
$976
Last-minute flights from Philadelphia to SouthamptonDiscover last-minute flight deals from Philadelphia to Southampton. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Southampton. Data last updated February 13, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 2/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:50 pm
PHL
- SOU
1 stop10h 05m
Aer Lingus
Mon 3/28:10 pm
SOU
- PHL
1 stop24h 50m
Aer Lingus
Deal found 2/13![Aer Lingus logo]()
$999
This KAYAK deal was found by Cheapflights users on 2/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:50 pm
PHL
- SOU
1 stop30h 55m
Aer Lingus
Mon 3/24:05 pm
SOU
- PHL
1 stop28h 55m
Aer Lingus
Deal found 2/13![Aer Lingus logo]()
$1,007
This KLM deal was found by Cheapflights users on 2/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:42 am
PHL
- SOU
2 stops16h 38m
KLM
Tue 3/175:35 pm
SOU
- PHL
2 stops30h 14m
KLM
Deal found 2/11![KLM logo]()
$771
This BusinessClass deal was found by Cheapflights users on 2/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:30 pm
PHL
- SOU
1 stop13h 25m
Multiple Airlines
Tue 3/1712:25 pm
SOU
- PHL
1 stop30h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$918
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:20 pm
PHL
- SOU
2 stops42h 10m
Multiple Airlines
Thu 4/25:05 pm
SOU
- PHL
2 stops34h 36m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$998
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:54 am
PHL
- SOU
2 stops17h 46m
Aer Lingus
Thu 4/25:05 pm
SOU
- PHL
1 stop30h 50m
Aer Lingus
Deal found 2/12![Aer Lingus logo]()
$982
This Ovago deal was found by Cheapflights users on 2/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:25 pm
PHL
- SOU
1 stop18h 05m
Aer Lingus
Sun 4/59:10 am
SOU
- PHL
2 stops18h 31m
Aer Lingus
Deal found 2/12![Aer Lingus logo]()
$1,030
This BusinessClass deal was found by Cheapflights users on 2/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:25 pm
PHL
- SOU
1 stop18h 05m
Multiple Airlines
Sun 4/58:00 pm
SOU
- PHL
1 stop27h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$1,041
One-way flights from Philadelphia to SouthamptonSearch for one-way flight options from Philadelphia to Southampton. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Philadelphia to Southampton. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:30 pm
PHL
- SOU
1 stop10h 15m
Aer Lingus
Deal found 2/12![Aer Lingus logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/155:05 am
PHL
- SOU
3 stops50h 50m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 3/167:36 pm
PHL
- SOU
2 stops32h 44m
Delta
Deal found 2/10![Delta logo]()
$475
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2010:00 pm
PHL
- SOU
2 stops37h 35m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$534
This Delta deal was found by Cheapflights users on 2/10. 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 3/206:00 am
PHL
- SOU
2 stops31h 00m
Delta
Deal found 2/10![Delta logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 6/208:25 pm
PHL
- SOU
3 stops34h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$593
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:50 pm
PHL
- SOU
1 stop30h 55m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$642
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/209:50 pm
PHL
- SOU
1 stop30h 55m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$692
This Delta deal was found by Cheapflights users on 2/10. 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 3/195:40 am
PHL
- SOU
2 stops22h 40m
Delta
Deal found 2/10![Delta logo]()
$754
This Delta deal was found by Cheapflights users on 2/10. 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 3/216:00 pm
PHL
- SOU
2 stops19h 15m
Delta
Deal found 2/10![Delta logo]()
$897
Find flight deals from Philadelphia to Southampton
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $771 (KLM) |
One-way from | $383 (oojo) |
Popular in | June |
Cheapest in | September |
Average price | $693 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Southampton 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 February 13, 2026.
Use the filters below to find and compare flights from Philadelphia to Southampton that are best for you.
Fly from
Philadelphia
Fly to
Southampton
Route
Depart
Return
Price
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Tue 3/10
11:42 am-8:20 am
2 stops16h 38m
Southampton Eastleigh
Tue 3/17
5:35 pm-7:49 pm
2 stops30h 14m
$771
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Tue 7/28
1:20 pm-8:45 am
2 stops14h 25m
Southampton Eastleigh
Tue 8/4
6:05 pm-10:37 pm
2 stops33h 32m
$881
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Mon 7/27
6:30 pm-5:35 pm
2 stops18h 05m
Southampton Eastleigh
Tue 8/4
6:05 pm-10:37 pm
2 stops33h 32m
$881
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Wed 7/29
6:00 am-5:35 pm
2 stops30h 35m
Southampton Eastleigh
Tue 8/4
6:05 pm-10:37 pm
2 stops33h 32m
$881
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Mon 5/25
9:26 am-4:50 pm
2 stops26h 24m
Southampton Eastleigh
Wed 5/27
5:20 pm-4:12 pm
2 stops27h 52m
$976
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Sun 5/24
10:35 am-8:35 am
2 stops17h 00m
Southampton Eastleigh
Fri 5/29
9:05 am-10:14 pm
2 stops18h 09m
$976
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Mon 5/25
1:48 pm-4:50 pm
2 stops22h 02m
Southampton Eastleigh
Thu 5/28
5:20 pm-4:12 pm
2 stops27h 52m
$976
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Sun 3/15
6:30 pm-8:45 am
1 stop10h 15m
$383
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Sun 3/15
5:05 am-11:55 am
3 stops50h 50m
$435
PhiladelphiaSouthampton
PHL - SOU
PHLSOU
Philadelphia
Wed 3/18
6:54 am-5:25 pm
2 stops30h 31m
$475
Showing 1-10 of 18 results
Compare providers for flights from Philadelphia to Southampton
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Southampton in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Southampton flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Southampton
Have a flexible travel schedule? Discover the best time to fly to Southampton from Philadelphia with our price prediction graph.
PHL-SOU
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 Philadelphia to Southampton
Reviews of airlines servicing Southampton
Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated February 13, 2026.
Read reviews from past customers who have flown Aer Lingus from Philadelphia to Southampton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.0
Comfort
7.1
Overall
7.2
Entertainment
6.9
Food
6.6
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Crew
8.0
Comfort
7.1
Overall
7.2
Entertainment
6.9
Food
6.6
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Philadelphia and Southampton flights
Browse other Philadelphia and Southampton flight options. Last updated on February 13, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Southampton
Explore flights to Southampton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Top airline flying from Philadelphia to Southampton
Discover the top airline that operate flights from Philadelphia to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$969 | Average$1,279 | FlexibilityNo cancel fee | On-timeN/A |