Weekly flight availability from Austin to Portsmouth

The most flights from AUS to P0R are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

What are the cheapest flights from Austin to Portsmouth?

On average you can expect to pay $2,054 for a flight from Austin to Portsmouth. The cheapest flight overall is $322 while the most popular route, (Austin Bergstrom - Southampton Eastleigh) is currently priced at $7,006.

What are the most reliable airlines from Austin to Portsmouth?

Consider Iberia (85%), Finnair (81%) or American Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Austin to Portsmouth.

What airport do you fly from for flights from Austin to Portsmouth?

Most people fly from Austin Bergstrom (AUS) if they book a flight from Austin to Portsmouth. On average, Austin Bergstrom has 0 outbound flights to Portsmouth per day from 9 airlines. Austin Bergstrom is conveniently located just 7.5 mi from Austin’s city center.

Can I find deals for flights from Austin to Portsmouth that include hotel bookings?

Yes. In addition to deals on Austin to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austin to Portsmouth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Portsmouth.

Can I find deals for business class flights from Austin to Portsmouth?

Yes. Cheapflights offers flight deals from Austin to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Austin to Portsmouth

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

Find flight deals from Austin to Portsmouth

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Popular in	June
Cheapest in	March
Average price	$960

Provider with most accurate pricing for Austin Bergstrom-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Austin Bergstrom-London (LON) flights.

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($279 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Insights

Everything you need to know about your flight from Austin to Portsmouth

Prices

Airlines

What is the cheapest time of day to fly from AUS to P0R?

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.

Related info for your journey

What airport do you fly from for flights from Austin to Portsmouth?
Most people fly from Austin Bergstrom (AUS) if they book a flight from Austin to Portsmouth. On average, Austin Bergstrom has 0 outbound flights to Portsmouth per day from 9 airlines. Austin Bergstrom is conveniently located just 7.5 mi from Austin’s city center.
What are the most reliable airlines from Austin to Portsmouth?
Consider Iberia (85%), Finnair (81%) or American Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Austin to Portsmouth.
What are the cheapest flights from Austin to Portsmouth?
On average you can expect to pay $2,054 for a flight from Austin to Portsmouth. The cheapest flight overall is $322 while the most popular route, (Austin Bergstrom - Southampton Eastleigh) is currently priced at $7,006.
Can I find deals for flights from Austin to Portsmouth that include hotel bookings?
Yes. In addition to deals on Austin to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Portsmouth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Portsmouth.
Can I find deals for business class flights from Austin to Portsmouth?
Yes. Cheapflights offers flight deals from Austin to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different 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

Top 9 airlines flying from Austin to Portsmouth

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest$393	Average$774	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$438	Average$1,025	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$624	Average$1,059	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$654	Average$1,201	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$669	Average$864	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$687	Average$909	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$689	Average$1,111	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$691	Average$1,042	FlexibilityNo cancel fee	On-time70%
JetBlue	Cheapest$703	Average$1,347	FlexibilityNo cancel fee	On-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Austin (AUS) to Portsmouth, England

Find cheap flights from Austin to Portsmouth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Austin to Portsmouth

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from AUS to P0R?

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

The most flights from AUS to P0R are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

Related info for your journey

What airport do you fly from for flights from Austin to Portsmouth?

What are the most reliable airlines from Austin to Portsmouth?

What are the cheapest flights from Austin to Portsmouth?

Can I find deals for flights from Austin to Portsmouth that include hotel bookings?

How can I find direct flights from Austin to Portsmouth?

Can I find deals for business class flights from Austin to Portsmouth?

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 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 October 14, 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 October 14, 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

100% Free

Book with Flexibility

Travel Smart