$441+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LHR
Jul 29 — Aug 51
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
Last-minute
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 June 29, 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 June 29, 2026.
This Delta deal was found by Cheapflights users on 6/25. 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.
Mon 10/196:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Thu 10/229:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 6/25![Delta logo]()
$1,030
This Delta deal was found by Cheapflights users on 6/25. 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.
Sun 10/188:00 am
AUS
- SOU
2 stops18h 35m
Delta
Thu 10/229:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 6/25![Delta logo]()
$1,035
This Delta deal was found by Cheapflights users on 6/25. 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.
Mon 10/196:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Mon 10/265:30 pm
SOU
- AUS
2 stops29h 18m
Delta
Deal found 6/25![Delta logo]()
$1,040
This Delta deal was found by Cheapflights users on 6/25. 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.
Sun 10/185:40 am
AUS
- SOU
2 stops20h 55m
Delta
Wed 10/219:15 am
SOU
- AUS
2 stops18h 50m
Delta
Deal found 6/25![Delta logo]()
$1,045
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 10/156:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Wed 10/215:20 pm
SOU
- AUS
1 stop28h 50m
Delta
Deal found 6/25![Delta logo]()
$1,080
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 10/1612:20 pm
AUS
- SOU
2 stops14h 25m
Delta
Thu 11/58:40 am
SOU
- AUS
1 stop13h 25m
Delta
Deal found 6/25![Delta logo]()
$1,085
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 10/156:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Fri 11/68:40 am
SOU
- AUS
2 stops17h 53m
Delta
Deal found 6/25![Delta logo]()
$1,090
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 10/1612:20 pm
AUS
- SOU
2 stops14h 25m
Delta
Fri 11/68:40 am
SOU
- AUS
2 stops17h 53m
Delta
Deal found 6/25![Delta logo]()
$1,095
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 10/156:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Sat 11/79:25 am
SOU
- AUS
1 stop12h 40m
Delta
Deal found 6/25![Delta logo]()
$1,130
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 10/1612:20 pm
AUS
- SOU
2 stops14h 25m
Delta
Sat 11/79:25 am
SOU
- AUS
2 stops17h 08m
Delta
Deal found 6/25![Delta logo]()
$1,145
This Delta deal was found by Cheapflights users on 6/25. 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.
Sun 10/1810:52 am
AUS
- SOU
2 stops15h 43m
Delta
Sat 10/245:20 pm
SOU
- AUS
2 stops35h 02m
Delta
Deal found 6/25![Delta logo]()
$1,172
This KLM deal was found by Cheapflights users on 6/25. 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 KLM 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
KLM
Tue 8/46:05 pm
SOU
- AUS
2 stops27h 45m
KLM
Deal found 6/25![KLM logo]()
$1,181
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 June 29, 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 June 29, 2026.
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 10/209:00 am
AUS
- SOU
2 stops17h 45m
Delta
Thu 10/229:05 am
SOU
- AUS
1 stop13h 05m
Delta
Deal found 6/25![Delta logo]()
$1,035
This KLM deal was found by Cheapflights users on 6/25. 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 KLM 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
KLM
Tue 8/46:05 pm
SOU
- AUS
2 stops27h 45m
KLM
Deal found 6/25![KLM logo]()
$1,181
This Delta deal was found by Cheapflights users on 6/25. 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.
Mon 10/198:00 am
AUS
- SOU
2 stops18h 35m
Delta
Wed 10/215:20 pm
SOU
- AUS
1 stop28h 50m
Delta
Deal found 6/25![Delta logo]()
$1,035
This Delta deal was found by Cheapflights users on 6/25. 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.
Sun 10/185:40 am
AUS
- SOU
2 stops20h 55m
Delta
Mon 10/265:30 pm
SOU
- AUS
2 stops29h 18m
Delta
Deal found 6/25![Delta logo]()
$1,045
This Delta deal was found by Cheapflights users on 6/25. 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 10/176:05 pm
AUS
- SOU
1 stop16h 45m
Delta
Mon 10/265:30 pm
SOU
- AUS
2 stops29h 18m
Delta
Deal found 6/25![Delta logo]()
$1,090
This KLM deal was found by Cheapflights users on 6/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:43 am
AUS
- SOU
2 stops17h 02m
KLM
Sun 8/165:30 pm
SOU
- AUS
1 stop28h 40m
KLM
Deal found 6/25![KLM logo]()
$1,413
This Delta deal was found by Cheapflights users on 6/25. 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.
Sun 10/1810:52 am
AUS
- SOU
2 stops15h 43m
Delta
Sat 10/245:20 pm
SOU
- AUS
2 stops35h 02m
Delta
Deal found 6/25![Delta logo]()
$1,172
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:06 pm
AUS
- SOU
2 stops32h 39m
Delta
Wed 7/226:05 pm
SOU
- AUS
2 stops28h 56m
Delta
Deal found 6/28![Delta logo]()
$1,344
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 pm
AUS
- SOU
1 stop17h 30m
Delta
Sun 7/265:30 pm
SOU
- AUS
1 stop28h 40m
Delta
Deal found 6/28![Delta logo]()
$1,649
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:31 pm
AUS
- SOU
2 stops34h 14m
Delta
Mon 7/276:05 pm
SOU
- AUS
2 stops30h 36m
Delta
Deal found 6/28![Delta logo]()
$1,697
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:24 pm
AUS
- SOU
2 stops32h 21m
Delta
Mon 7/276:05 pm
SOU
- AUS
2 stops27h 45m
Delta
Deal found 6/28![Delta logo]()
$1,735
Last-minute flights from Austin to PortsmouthDiscover last-minute flight deals from Austin to Portsmouth. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portsmouth. Data last updated June 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:15 am
AUS
- SOU
2 stops18h 30m
Delta
Fri 7/109:15 am
SOU
- AUS
2 stops19h 54m
Delta
Deal found 6/28![Delta logo]()
$1,404
This Delta deal was found by Cheapflights users on 6/26. 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.
Sun 7/59:40 am
AUS
- SOU
2 stops41h 05m
Delta
Sun 7/129:15 am
SOU
- AUS
2 stops38h 42m
Delta
Deal found 6/26![Delta logo]()
$1,414
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:00 am
AUS
- SOU
2 stops17h 45m
Delta
Wed 7/226:05 pm
SOU
- AUS
1 stop28h 05m
Delta
Deal found 6/28![Delta logo]()
$1,335
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:09 pm
AUS
- SOU
2 stops14h 36m
Delta
Tue 7/216:05 pm
SOU
- AUS
2 stops27h 45m
Delta
Deal found 6/28![Delta logo]()
$1,344
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 pm
AUS
- SOU
1 stop17h 30m
Delta
Wed 7/226:05 pm
SOU
- AUS
1 stop28h 05m
Delta
Deal found 6/28![Delta logo]()
$1,390
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 pm
AUS
- SOU
1 stop17h 30m
Delta
Tue 7/216:05 pm
SOU
- AUS
2 stops27h 45m
Delta
Deal found 6/28![Delta logo]()
$1,400
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 pm
AUS
- SOU
1 stop17h 30m
Delta
Fri 7/246:05 pm
SOU
- AUS
2 stops33h 13m
Delta
Deal found 6/28![Delta logo]()
$1,470
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:09 pm
AUS
- SOU
2 stops14h 36m
Delta
Thu 7/239:15 am
SOU
- AUS
1 stop12h 55m
Delta
Deal found 6/28![Delta logo]()
$1,395
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:24 pm
AUS
- SOU
2 stops32h 21m
Delta
Fri 7/246:05 pm
SOU
- AUS
2 stops33h 13m
Delta
Deal found 6/28![Delta logo]()
$1,452
This KLM deal was found by Cheapflights users on 6/25. 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 KLM 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
KLM
Tue 8/46:05 pm
SOU
- AUS
2 stops27h 45m
KLM
Deal found 6/25![KLM logo]()
$1,181
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 June 29, 2026.
Search for one-way flight options from Austin to Portsmouth. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sat 9/126:45 am
AUS
- SOU
3 stops47h 40m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$441
This KLM deal was found by Cheapflights users on 6/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm
AUS
- SOU
1 stop16h 45m
KLM
Deal found 6/26![KLM logo]()
$584
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 June 29, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,030 (Delta) |
One-way from | $441 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,389 |
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 June 29, 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
Quickest round-trip
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Tue 10/20
9:00 am-8:45 am
2 stops17h 45m
Southampton Eastleigh
Thu 10/22
9:05 am-4:10 pm
1 stop13h 05m
$1,035
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Mon 10/19
8:00 am-8:35 am
2 stops18h 35m
Southampton Eastleigh
Wed 10/21
5:20 pm-4:10 pm
1 stop28h 50m
$1,035
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Sun 10/18
5:40 am-8:35 am
2 stops20h 55m
Southampton Eastleigh
Mon 10/26
5:30 pm-5:48 pm
2 stops29h 18m
$1,045
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Sat 10/17
6:05 pm-4:50 pm
1 stop16h 45m
Southampton Eastleigh
Mon 10/26
5:30 pm-5:48 pm
2 stops29h 18m
$1,090
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Sun 10/18
10:52 am-8:35 am
2 stops15h 43m
Southampton Eastleigh
Sat 10/24
5:20 pm-10:22 pm
2 stops35h 02m
$1,172
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Mon 7/27
6:05 pm-5:35 pm
1 stop17h 30m
Southampton Eastleigh
Tue 8/4
6:05 pm-3:50 pm
2 stops27h 45m
$1,181
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Wed 7/15
6:06 pm-8:45 am
2 stops32h 39m
Southampton Eastleigh
Wed 7/22
6:05 pm-5:01 pm
2 stops28h 56m
$1,344
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Sun 8/9
9:43 am-8:45 am
2 stops17h 02m
Southampton Eastleigh
Sun 8/16
5:30 pm-4:10 pm
1 stop28h 40m
$1,413
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Thu 7/16
6:05 pm-5:35 pm
1 stop17h 30m
Southampton Eastleigh
Sun 7/26
5:30 pm-4:10 pm
1 stop28h 40m
$1,649
AustinSouthampton
AUS - SOU
AUSSOU
Austin Bergstrom
Wed 7/15
4:31 pm-8:45 am
2 stops34h 14m
Southampton Eastleigh
Mon 7/27
6:05 pm-6:41 pm
2 stops30h 36m
$1,697
Showing 1-10 of 13 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 June 29, 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 June 29, 2026.
The most flights from AUS to P0R are scheduled on a Friday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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
Other flights from Austin
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.
Complete your trip
Complete your trip to Portsmouth by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Portsmouth by cabin class
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 June 29, 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 June 29, 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 9 airlines flying from Austin to Portsmouth
Discover the top 9 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$1,489 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$545 | Average$1,143 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$567 | Average$860 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$581 | Average$717 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$601 | Average$920 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$624 | Average$1,000 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$644 | Average$953 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$646 | Average$797 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$647 | Average$881 | FlexibilityNo cancel fee | On-time76% |