$421+ Cheap flights from Austin (AUS) to Portsmouth, England
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LHR
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Portsmouth 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Austin to Portsmouth
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Best
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One-way
Cheapest flights from Austin to PortsmouthExplore the most affordable flight options available from Austin to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
Explore the most affordable flight options available from Austin to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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 11/166:05 pm
AUS
- SOU
1 stop16h 55m
Delta
Thu 12/38:50 am
SOU
- AUS
1 stop13h 20m
Delta
Deal found 5/10![Delta logo]()
$1,033
This Delta deal was found by Cheapflights users on 5/10. 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 11/156:00 pm
AUS
- SOU
2 stops17h 00m
Delta
Wed 12/25:30 pm
SOU
- AUS
1 stop28h 40m
Delta
Deal found 5/10![Delta logo]()
$1,038
This Delta deal was found by Cheapflights users on 5/10. 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 11/1511:20 am
AUS
- SOU
2 stops14h 50m
Delta
Thu 12/35:30 pm
SOU
- AUS
2 stops33h 12m
Delta
Deal found 5/10![Delta logo]()
$1,047
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am
AUS
- SOU
2 stops19h 05m
Delta
Wed 9/239:05 am
SOU
- AUS
2 stops19h 43m
Delta
Deal found 5/12![Delta logo]()
$1,048
This Delta deal was found by Cheapflights users on 5/10. 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 11/166:05 pm
AUS
- SOU
1 stop16h 55m
Delta
Tue 12/18:40 am
SOU
- AUS
2 stops18h 02m
Delta
Deal found 5/10![Delta logo]()
$1,060
This Delta deal was found by Cheapflights users on 5/10. 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 11/126:05 pm
AUS
- SOU
1 stop16h 55m
Delta
Wed 12/25:30 pm
SOU
- AUS
1 stop28h 40m
Delta
Deal found 5/10![Delta logo]()
$1,083
This Delta deal was found by Cheapflights users on 5/10. 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 11/1311:20 am
AUS
- SOU
2 stops15h 30m
Delta
Wed 12/25:30 pm
SOU
- AUS
2 stops30h 18m
Delta
Deal found 5/10![Delta logo]()
$1,097
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:35 pm
AUS
- SOU
2 stops19h 15m
Delta
Wed 9/239:05 am
SOU
- AUS
2 stops18h 50m
Delta
Deal found 5/12![Delta logo]()
$1,098
This Delta deal was found by Cheapflights users on 5/10. 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 11/1310:52 am
AUS
- SOU
2 stops15h 58m
Delta
Mon 11/305:30 pm
SOU
- AUS
2 stops33h 12m
Delta
Deal found 5/10![Delta logo]()
$1,114
This Delta deal was found by Cheapflights users on 5/11. 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 7/276:05 pm
AUS
- SOU
1 stop32h 40m
Delta
Tue 8/119:15 am
SOU
- AUS
2 stops39h 36m
Delta
Deal found 5/11![Delta logo]()
$1,120
Best flights from Austin to PortsmouthDiscover carefully curated flight deals from Austin to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
Discover carefully curated flight deals from Austin to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am
AUS
- SOU
2 stops19h 05m
Delta
Tue 9/229:05 am
SOU
- AUS
2 stops18h 50m
Delta
Deal found 5/12![Delta logo]()
$1,048
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:35 pm
AUS
- SOU
2 stops19h 15m
Delta
Tue 9/229:05 am
SOU
- AUS
2 stops17h 17m
Delta
Deal found 5/12![Delta logo]()
$1,098
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 am
AUS
- SOU
2 stops19h 15m
Delta
Wed 9/239:05 am
SOU
- AUS
2 stops18h 36m
Delta
Deal found 5/12![Delta logo]()
$1,098
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am
AUS
- SOU
2 stops19h 05m
Delta
Mon 9/219:05 am
SOU
- AUS
2 stops17h 17m
Delta
Deal found 5/12![Delta logo]()
$1,098
This Delta deal was found by Cheapflights users on 5/11. 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.
Wed 7/298:15 am
AUS
- SOU
2 stops18h 30m
Delta
Tue 8/119:15 am
SOU
- AUS
2 stops39h 36m
Delta
Deal found 5/11![Delta logo]()
$1,124
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:35 pm
AUS
- SOU
2 stops19h 15m
Delta
Mon 9/219:05 am
SOU
- AUS
2 stops17h 17m
Delta
Deal found 5/12![Delta logo]()
$1,148
This Delta deal was found by Cheapflights users on 5/11. 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 7/2712:00 pm
AUS
- SOU
2 stops14h 45m
Delta
Mon 8/106:05 pm
SOU
- AUS
2 stops27h 45m
Delta
Deal found 5/11![Delta logo]()
$1,189
This Delta deal was found by Cheapflights users on 5/11. 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 7/276:05 pm
AUS
- SOU
1 stop17h 30m
Delta
Sun 8/99:15 am
SOU
- AUS
2 stops39h 36m
Delta
Deal found 5/11![Delta logo]()
$1,255
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 7/2812:09 pm
AUS
- SOU
2 stops14h 36m
Delta
Sun 8/99:15 am
SOU
- AUS
2 stops39h 36m
Delta
Deal found 5/11![Delta logo]()
$1,259
This Delta deal was found by Cheapflights users on 5/10. 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 6/18:03 am
AUS
- SOU
2 stops26h 47m
Delta
Tue 6/165:20 pm
SOU
- AUS
1 stop28h 50m
Delta
Deal found 5/10![Delta logo]()
$1,311
This Delta deal was found by Cheapflights users on 5/10. 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.
Wed 6/36:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Mon 6/159:05 am
SOU
- AUS
2 stops38h 04m
Delta
Deal found 5/10![Delta logo]()
$1,372
This Delta deal was found by Cheapflights users on 5/10. 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.
Tue 6/26:32 pm
AUS
- SOU
2 stops16h 18m
Delta
Mon 6/159:05 am
SOU
- AUS
2 stops38h 04m
Delta
Deal found 5/10![Delta logo]()
$1,376
Last-minute flights from Austin to PortsmouthDiscover last-minute flight deals from Austin to Portsmouth. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portsmouth. Data last updated May 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/8. 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 5/1210:38 am
AUS
- SOU
2 stops15h 57m
Delta
Thu 5/289:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 5/8![Delta logo]()
$1,156
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:20 am
AUS
- SOU
2 stops23h 30m
Delta
Wed 5/279:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 5/9![Delta logo]()
$1,157
This Delta deal was found by Cheapflights users on 5/8. 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 5/128:00 am
AUS
- SOU
2 stops18h 35m
Delta
Tue 6/169:05 am
SOU
- AUS
2 stops19h 06m
Delta
Deal found 5/8![Delta logo]()
$1,166
This Delta deal was found by Cheapflights users on 5/8. 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 5/1210:38 am
AUS
- SOU
2 stops15h 57m
Delta
Fri 5/295:20 pm
SOU
- AUS
1 stop28h 50m
Delta
Deal found 5/8![Delta logo]()
$1,216
This Delta deal was found by Cheapflights users on 5/8. 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 5/1210:38 am
AUS
- SOU
2 stops15h 57m
Delta
Mon 6/159:05 am
SOU
- AUS
2 stops38h 04m
Delta
Deal found 5/8![Delta logo]()
$1,222
This Delta deal was found by Cheapflights users on 5/8. 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 5/156:32 pm
AUS
- SOU
2 stops16h 18m
Delta
Wed 5/279:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 5/8![Delta logo]()
$1,231
This Delta deal was found by Cheapflights users on 5/8. 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 5/156:32 pm
AUS
- SOU
2 stops16h 18m
Delta
Mon 5/255:20 pm
SOU
- AUS
2 stops34h 13m
Delta
Deal found 5/8![Delta logo]()
$1,241
This Delta deal was found by Cheapflights users on 5/8. 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 5/179:00 am
AUS
- SOU
2 stops25h 50m
Delta
Thu 5/289:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 5/8![Delta logo]()
$1,171
This Delta deal was found by Cheapflights users on 5/8. 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 5/179:00 am
AUS
- SOU
2 stops25h 50m
Delta
Mon 5/255:20 pm
SOU
- AUS
2 stops28h 35m
Delta
Deal found 5/8![Delta logo]()
$1,181
This Delta deal was found by Cheapflights users on 5/8. 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 5/179:00 am
AUS
- SOU
2 stops25h 50m
Delta
Mon 6/159:05 am
SOU
- AUS
2 stops38h 04m
Delta
Deal found 5/8![Delta logo]()
$1,237
This Delta deal was found by Cheapflights users on 5/8. 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 5/176:15 am
AUS
- SOU
2 stops28h 35m
Delta
Sun 5/249:15 am
SOU
- AUS
2 stops17h 52m
Delta
Deal found 5/8![Delta logo]()
$1,248
One-way flights from Austin to PortsmouthSearch for one-way flight options from Austin to Portsmouth. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
Search for one-way flight options from Austin to Portsmouth. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 9/76:05 pm
AUS
- SOU
1 stop32h 30m
Delta
Deal found 5/11![Delta logo]()
$421
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 9/124:40 pm
AUS
- SOU
2 stops33h 55m
Delta
Deal found 5/11![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 5/11. 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.
Thu 9/107:30 am
AUS
- SOU
2 stops43h 15m
Delta
Deal found 5/11![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:15 pm
AUS
- SOU
2 stops42h 20m
Delta
Deal found 5/9![Delta logo]()
$705
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:43 am
AUS
- SOU
2 stops25h 17m
Delta
Deal found 5/9![Delta logo]()
$748
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 5/303:45 pm
AUS
- SOU
2 stops34h 50m
Delta
Deal found 5/11![Delta logo]()
$859
This Delta deal was found by Cheapflights users on 5/11. 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.
Thu 5/286:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Deal found 5/11![Delta logo]()
$908
Find flight deals from Austin to Portsmouth
Keep the following information in mind while searching for Austin to Portsmouth flight deals. Data was last updated May 13, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,048 (Delta) |
One-way from | $421 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $1,012 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Portsmouth 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 13, 2026.
Use the filters below to find and compare flights from Austin to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Wed 9/9
7:30 am-8:35 am
2 stops19h 05m
Southampton Eastleigh
Tue 9/22
9:05 am-9:55 pm
2 stops18h 50m
$1,048
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Thu 9/10
3:35 pm-4:50 pm
2 stops19h 15m
Southampton Eastleigh
Tue 9/22
9:05 am-8:22 pm
2 stops17h 17m
$1,098
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Fri 9/11
7:30 am-8:45 am
2 stops19h 15m
Southampton Eastleigh
Wed 9/23
9:05 am-9:41 pm
2 stops18h 36m
$1,098
Quickest round-trip
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Wed 9/9
7:30 am-8:35 am
2 stops19h 05m
Southampton Eastleigh
Mon 9/21
9:05 am-8:22 pm
2 stops17h 17m
$1,098
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Wed 7/29
8:15 am-8:45 am
2 stops18h 30m
Southampton Eastleigh
Tue 8/11
9:15 am-6:51 pm
2 stops39h 36m
$1,124
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Thu 9/10
3:35 pm-4:50 pm
2 stops19h 15m
Southampton Eastleigh
Mon 9/21
9:05 am-8:22 pm
2 stops17h 17m
$1,148
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Mon 7/27
12:00 pm-8:45 am
2 stops14h 45m
Southampton Eastleigh
Mon 8/10
6:05 pm-3:50 pm
2 stops27h 45m
$1,189
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Mon 7/27
6:05 pm-5:35 pm
1 stop17h 30m
Southampton Eastleigh
Sun 8/9
9:15 am-6:51 pm
2 stops39h 36m
$1,255
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Tue 7/28
12:09 pm-8:45 am
2 stops14h 36m
Southampton Eastleigh
Sun 8/9
9:15 am-6:51 pm
2 stops39h 36m
$1,259
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Mon 6/1
8:03 am-4:50 pm
2 stops26h 47m
Southampton Eastleigh
Tue 6/16
5:20 pm-4:10 pm
1 stop28h 50m
$1,311
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Austin to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Austin with our price prediction graph.
AUS-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 Austin to Portsmouth
AUS-P0R
AUS-SOU
What is the cheapest time of day to fly from AUS to P0R?
Find hourly flight availability from Austin to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 13, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Austin to Portsmouth as you normally would.
Weekly flight availability from Austin to Portsmouth
Explore weekly flight availability from Austin to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 13, 2026.
The most flights from AUS to P0R are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
Related info for your journey
Find useful and relevant information for your journey from Austin to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
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Popular flights
Top destinations
Alternative routes for Austin to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.
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Complete your trip to Portsmouth by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Austin to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Portsmouth flights
Browse other Austin and Portsmouth flight options. Last updated on May 13, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on May 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Portsmouth flights
Consider these flights traveling from Austin to Portsmouth.
Top 8 airlines flying from Austin to Portsmouth
Discover the top 8 airlines that operate flights from Austin to Portsmouth. 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$567 | Average$909 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$567 | Average$860 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$601 | Average$891 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$617 | Average$962 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$624 | Average$1,000 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$627 | Average$842 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$644 | Average$942 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$646 | Average$774 | FlexibilityNo cancel fee | On-time72% |