Cheap flights from Portsmouth to Houston

Return
1 adult
Economy
From?
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Sun 12/12
Sun 19/12

How far in advance should I book a flight from Portsmouth to Houston?

Travellers have found it’s best to book a flight 49 days in advance to save up to 47% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to Houston 1-2 weeks in advance for as low as £595, or £752 for flights within the next 24 hours.

What is the cheapest month to fly from Portsmouth to Houston?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Houston. Flights to Houston from Portsmouth in February are about £576 on average during February, but can be found for as low as £374.

When is the cheapest time to fly from Portsmouth to Houston (P0R - HO1)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Houston as you normally would.

Cheap flights from Portsmouth to Houston in December, January 2021

The best prices found for Portsmouth to Houston flights in December, January
23 Jan - 6 Feb
SOU

Southampton Eastleigh

IAH

Houston George Bush Intcntl

1 stop

26h 20m
IAH

Houston George Bush Intcntl

SOU

Southampton Eastleigh

1 stop

19h 15m
£2,882

Delta

View Deal

Deal found 4/12/21

23 Jan - 6 Feb
SOU

Southampton Eastleigh

IAH

Houston George Bush Intcntl

2 stops

30h 59m
IAH

Houston George Bush Intcntl

SOU

Southampton Eastleigh

2 stops

25h 35m
£2,887

Delta

View Deal

Deal found 4/12/21

23 Jan - 6 Feb
SOU

Southampton Eastleigh

IAH

Houston George Bush Intcntl

2 stops

51h 00m
IAH

Houston George Bush Intcntl

SOU

Southampton Eastleigh

2 stops

18h 54m
£3,970

KLM

View Deal

Deal found 7/12/21

One-way flights to Houston from Portsmouth

The cheapest one-way flights from Portsmouth to Houston
16 Jan
SOU

Southampton Eastleigh

IAH

Houston George Bush Intcntl

1 stop

26h 20m
£1,746

Delta

View Deal

Deal found 5/12/21

16 Jan
SOU

Southampton Eastleigh

IAH

Houston George Bush Intcntl

2 stops

30h 59m
£1,762

Delta

View Deal

Deal found 5/12/21

16 Jan
SOU

Southampton Eastleigh

HOU

Houston Hobby

2 stops

29h 05m
£1,762

Delta

View Deal

Deal found 5/12/21

Related info for your journey

Useful info, stats and facts about Portsmouth to Houston flights.

Can I find flights from Portsmouth to Houston for under £2,300 on Cheapflights?

Yes, there are multiple flights from Portsmouth to Houston for under £2,300. The cheapest flight booked recently is on Multiple Airlines for just £2,252, but on average you can expect to pay £3,206.

What are the most popular airlines that fly from Portsmouth to Houston?

The most popular airlines flying from Portsmouth to Houston are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

What are the cheapest flights from Portsmouth to Houston?

Looking at all options, your cheapest flight can be booked for £336. While the most popular route (Southampton Eastleigh - Houston George Bush Intcntl) can be booked for £1,157 on average our data indicates £596 when flying from Portsmouth to Houston.

Other flights to Houston

Can I fly to Houston from Portsmouth right now?

Information is based on travel restrictions from Portsmouth to Houston

Most visitors from Portsmouth need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Portsmouth must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Houston.

Quarantine requirements
Visitors from Portsmouth are not required to quarantine after entering Houston.

Can I fly back to Portsmouth from Houston?

Returning to Portsmouth from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 48 hours before departing to Portsmouth.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Portsmouth.

Alternative routes for Portsmouth to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Houston

The chart below displays the airlines Cheapflights users travelling from Portsmouth to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Virgin Atlantic
Cheapest£208
Average£464
FlexibilityNo cancel fee
On-time72%
COVID-19 safety
Austrian Airlines
Cheapest£259
Average£557
FlexibilityNo cancel fee
On-time78%
COVID-19 safety
Delta
Cheapest£263
Average£790
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
United Airlines
Cheapest£273
Average£547
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Air Canada
Cheapest£295
Average£733
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
Lufthansa
Cheapest£318
Average£657
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
KLM
Cheapest£319
Average£598
FlexibilityNo cancel fee
On-time75%
COVID-19 safety
British Airways
Cheapest£327
Average£682
FlexibilityNo cancel fee
On-time70%
COVID-19 safety
Iberia
Cheapest£328
Average£602
FlexibilityNo cancel fee
On-time77%
COVID-19 safety
Brussels Airlines
Cheapest£332
Average£559
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety

Hourly flight availability from Portsmouth to Houston

See what time of day planes typically take off from Portsmouth to Houston
1%of flight departuresEarly morningMidnight to 6 am
45%of flight departuresMorning6 am to noon
54%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM