How long is the flight from Portsmouth to Baltimore?

A quick flight from Portsmouth to Baltimore can take about 26h 25m. British Airways provides one of the quickest options available for as low as £607. The distance between Portsmouth and Baltimore is about 3597 mi.

In terms of precipitation, rainfall in Baltimore ranges from 74.0 - 104.0 inches per month. July is typically the wettest month, when rainfall can reach 104.0 mm. February is typically the driest time to visit Baltimore when rainfall is around 74.0 mm.

If weather is an important factor for your trip to Baltimore, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the cheapest flights from Portsmouth to Baltimore?

Looking at all options, your cheapest flight can be booked for £424. While the most popular route (Southampton Eastleigh - Baltimore/Washington) can be booked for £623 on average, our data indicates £831 when flying from Portsmouth to Baltimore.

What are the most reliable airlines from Portsmouth to Baltimore?

No one likes to see their flight delayed. When booking a flight from Portsmouth to Baltimore consider choosing American Airlines (62%), Aer Lingus (62%) or Finnair (62%) as they are the most reliable in getting you off to your destination on time.

What airport do you fly into for flights to Baltimore from Portsmouth?

For a flight from Portsmouth to Baltimore, you will be flying into Baltimore/Washington. Baltimore/Washington (BWI) is just 8.5 mi from the center of the city. Baltimore/Washington is the only Baltimore airport and it handles 0 inbound flights from Portsmouth per day. 11 airlines have flights to Baltimore/Washington from Portsmouth on a regular basis.

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

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

How can I find direct flights from Portsmouth to Baltimore?

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

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

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

£434+ Cheap Flights from Portsmouth to Baltimore

Cheap flight deals from Portsmouth to Baltimore

Enter your travel dates to find the best prices.

Cheapest

Best

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Cheapest flights from Portsmouth to Baltimore
Explore the most affordable flight options available from Portsmouth to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Thu 29/1019:40 -

2 stops26h 25m

Thu 5/1118:55 -

2 stops19h 15m

Deal found 17/9£607

Thu 29/1008:40 -

2 stops28h 36m

Thu 5/1112:37 -

2 stops14h 33m

Deal found 18/9£639

Tue 13/1009:05 -

2 stops18h 59m

Tue 20/1012:37 -

2 stops15h 08m

Deal found 15/9£654

Sat 31/1009:25 -

2 stops19h 26m

Sat 7/1118:32 -

2 stops17h 18m

Deal found 16/9£695

Sat 31/1008:20 -

2 stops15h 20m

Sat 7/1119:40 -

2 stops14h 55m

Deal found 16/9£861

Thu 29/1012:25 -

2 stops33h 40m

Thu 5/1118:55 -

3 stops33h 00m

Deal found 14/9£876

Tue 20/1008:55 -

2 stops15h 45m

Sat 24/1021:30 -

2 stops18h 50m

Deal found 17/9£908

Find flight deals from Portsmouth to Baltimore

Round-trip from	£607
One-way from	£434
Popular in	June
Cheapest in	February
Average price	£488

British Airways
29/10-5/11
4 total stops
45h 40m total
Portsmouth to Baltimore

Search Deals

3/10-31/12
3 total stops
40h 35m total
Portsmouth to Baltimore

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£39 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Sat 3/10

07:50-19:25

3 stops40h 35m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£434

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Mon 23/11

08:40-23:27

2 stops19h 47m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£448

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Thu 29/10

19:40-18:05

2 stops26h 25m

Baltimore/Washington

Thu 5/11

18:55-19:10

2 stops19h 15m

£607

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Thu 28/1

19:15-17:05

2 stops50h 50m

Baltimore/Washington

Mon 1/2

18:55-12:05

2 stops36h 10m

£622

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Tue 13/10

09:05-23:04

2 stops18h 59m

Baltimore/Washington

Tue 20/10

12:37-08:45

2 stops15h 08m

£654

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Sat 31/10

09:25-00:51

2 stops19h 26m

Baltimore/Washington

Sat 7/11

18:32-16:50

2 stops17h 18m

£695

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Sat 31/10

08:20-19:40

2 stops15h 20m

Baltimore/Washington

Sat 7/11

09:15-15:35

3 stops25h 20m

£903

Fastest return journey

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Wed 7/10

08:55-19:40

2 stops15h 45m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,037

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Fri 23/10

19:55-19:40

2 stops28h 45m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,070

SouthamptonBaltimore

SOU Southampton Eastleigh - BWI Baltimore/Washington

SOUBWI

Southampton Eastleigh

Thu 26/11

19:55-17:05

2 stops26h 10m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£2,785

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Sorted by cheapest first

Best time to book a flight from Portsmouth to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Portsmouth with our price prediction graph.

SOU-BWI

Estimated return 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 Portsmouth to Baltimore

P0R-BWI

SOU-BWI

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

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

Related info for your journey

What airport do you fly into for flights to Baltimore from Portsmouth?
For a flight from Portsmouth to Baltimore, you will be flying into Baltimore/Washington. Baltimore/Washington (BWI) is just 8.5 mi from the center of the city. Baltimore/Washington is the only Baltimore airport and it handles 0 inbound flights from Portsmouth per day. 11 airlines have flights to Baltimore/Washington from Portsmouth on a regular basis.
How long is the flight from Portsmouth to Baltimore?
A quick flight from Portsmouth to Baltimore can take about 26h 25m. British Airways provides one of the quickest options available for as low as £607. The distance between Portsmouth and Baltimore is about 3597 mi.
What are the most reliable airlines from Portsmouth to Baltimore?
No one likes to see their flight delayed. When booking a flight from Portsmouth to Baltimore consider choosing American Airlines (62%), Aer Lingus (62%) or Finnair (62%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portsmouth to Baltimore?
Looking at all options, your cheapest flight can be booked for £424. While the most popular route (Southampton Eastleigh - Baltimore/Washington) can be booked for £623 on average, our data indicates £831 when flying from Portsmouth to Baltimore.
Can I find deals for flights from Portsmouth to Baltimore that include hotel bookings?
Yes. In addition to deals on Portsmouth to Baltimore flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Baltimore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Baltimore.
Can I find deals for business class flights from Portsmouth to Baltimore?
Yes. Cheapflights offers flight deals from Portsmouth to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Portsmouth to Baltimore

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Norwich to Baltimore flights

Top 10 airlines flying from Portsmouth to Baltimore

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£334	Average£504	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£382	Average£561	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Icelandair	Cheapest£386	Average£525	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
United Airlines	Cheapest£409	Average£483	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£422	Average£525	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Delta	Cheapest£443	Average£616	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
British Airways	Cheapest£462	Average£616	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£502	Average£737	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Iberia	Cheapest£504	Average£728	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Finnair	Cheapest£514	Average£621	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

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Cheap flights from Portsmouth to Baltimore from £434

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Baltimore

Cheapest flights from Portsmouth to BaltimoreExplore the most affordable flight options available from Portsmouth to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Explore the most affordable flight options available from Portsmouth to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Portsmouth to BaltimoreDiscover carefully curated flight deals from Portsmouth to Baltimore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Portsmouth to Baltimore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Portsmouth to BaltimoreDiscover last-minute flight deals from Portsmouth to Baltimore. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Baltimore. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Portsmouth to BaltimoreSearch for one-way flight options from Portsmouth to Baltimore. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Portsmouth to Baltimore. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

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Best time to book a flight from Portsmouth to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Portsmouth with our price prediction graph.

Cheapflights Insights

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

Find hourly flight availability from Portsmouth to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 September 2026.

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

Related info for your journey

What airport do you fly into for flights to Baltimore from Portsmouth?

How long is the flight from Portsmouth to Baltimore?

What are the most reliable airlines from Portsmouth to Baltimore?

What are the cheapest flights from Portsmouth to Baltimore?

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

How can I find direct flights from Portsmouth to Baltimore?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Baltimore

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Complete your trip

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Direct flights to Maryland

Book a non-stop flight to one of these other cities located in Maryland.

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Portsmouth and Baltimore flights

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Cheapest flights from Portsmouth to Baltimore
Explore the most affordable flight options available from Portsmouth to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Portsmouth to Baltimore
Discover carefully curated flight deals from Portsmouth to Baltimore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Portsmouth to Baltimore
Discover last-minute flight deals from Portsmouth to Baltimore. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Portsmouth to Baltimore
Search for one-way flight options from Portsmouth to Baltimore. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.