Cheap flights from Portsmouth to Chicago

LHR — CHI
29 May — 5 Jun1
Return
1 adult
Economy
From?
To?
Sun 29/5
Sun 5/6

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

Users have found that booking a flight from Portsmouth to Chicago at least 61 days early can save you up to 32% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Portsmouth to Chicago for as little as £425 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £513 for flights departing within the next 3 days.

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

October is one of the best times of the year to fly to Chicago from Portsmouth. Prices for October average £398 per person but you can even find prices for as low as £279. The most expensive prices can be found in the month of July. Opting for a October flight can save you 33% on your journey compared to booking in July

When is the cheapest time to fly from Portsmouth to Chicago (P0R - CHI)?

When flying from Portsmouth to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

One-way flights to Chicago All airports from Portsmouth

The cheapest one-way flights from Portsmouth to Chicago
11 Sep
SOU

Southampton Eastleigh

ORD

Chicago O'Hare Intl

1 stop

26h 55m
£511

Delta

View Deal

Deal found 22-5-22

30 Jul
SOU

Southampton Eastleigh

ORD

Chicago O'Hare Intl

1 stop

13h 15m
£871

Multiple Airlines

View Deal

Deal found 23-5-22

30 Jul
SOU

Southampton Eastleigh

ORD

Chicago O'Hare Intl

1 stop

13h 15m
£873

Multiple Airlines

View Deal

Deal found 22-5-22

Related info for your journey

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

Which airlines flying from Portsmouth to Chicago have flexible changes due to COVID-19?

One of the carriers operating flights from Portsmouth to Chicago that may be offering flexible change policies is KLM. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What days are nonstop flights available from Portsmouth to Chicago?

Nonstop flights are available for this route on the following days: Wednesday, Friday.

How many flights depart from Portsmouth to Chicago on average per day?

6 flight departures from Portsmouth to Chicago per day on average.
Morning (6am - Noon) - 100% of flight departures

What are the cheapest airlines to fly from Portsmouth to Chicago one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at £511. Air France flights start at £1,137 while deals on British Airways start at £1,694 one-way.

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

Consider American Airlines, Finnair or British Airways when booking your flight. These represent the most popular airlines when flying from Portsmouth to Chicago.

What are the most reliable airlines from Portsmouth to Chicago?

Consider SriLankan Airlines (98%), Gulf Air (95%) or Qatar Airways (94%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Chicago.

What are the cheapest flights from Portsmouth to Chicago?

On average you can expect to pay £1,789 for a flight from Portsmouth to Chicago. The cheapest flight overall is £510 while the most popular route, (Southampton Eastleigh - Chicago O'Hare Intl) is currently priced at £1,808.

Other flights to Chicago

Alternative routes for Portsmouth to Chicago

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

Top 5 airlines flying from Portsmouth to Chicago

The chart below displays the airlines Cheapflights users travelling from Portsmouth to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Norwegian Air UKCheapest£240Average£470FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Norwegian Air UK flights
United AirlinesCheapest£255Average£543FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest£263Average£456FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
NorwegianCheapest£273Average£414FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search Norwegian flights
TAP AIR PORTUGALCheapest£279Average£405FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search TAP AIR PORTUGAL flights

Hourly flight availability from Portsmouth to Chicago

See what time of day planes typically take off from Portsmouth to Chicago
1%of flight departuresEarly morningMidnight to 6 am
87%of flight departuresMorning6 am to noon
12%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM