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$664+ Cheap flights from Baltimore (BWI) 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Baltimore to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$974
(KLM)
From Baltimore/Washington to Portsmouth
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Find flight deals from Baltimore to Portsmouth

Cheapest flights from Baltimore to Portsmouth
Explore the most affordable flight options available from Baltimore to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This KLM deal was found by Cheapflights users on 1/21. 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.
Wed 3/512:26 pmBWI - SOU
2 stops15h 04mKLM
Wed 3/129:00 amSOU - BWI
2 stops16h 55mKLM
Deal found 1/21$974
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:00 amBWI - SOU
3 stops21h 45mMultiple Airlines
Wed 3/129:30 amSOU - BWI
2 stops18h 28mMultiple Airlines
Deal found 1/21$1,022
This Delta deal was found by Cheapflights users on 1/21. 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 9/31:00 pmBWI - SOU
2 stops14h 45mDelta
Fri 9/129:20 amSOU - BWI
2 stops17h 23mDelta
Deal found 1/21$1,048
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/88:30 pmBWI - SOU
2 stops18h 10mAer Lingus
Sat 3/159:30 amSOU - BWI
2 stops38h 15mAer Lingus
Deal found 1/21$1,263

Find flights from Baltimore to Portsmouth within your budget

Customize your flight search to find flights from Baltimore 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 3/5

12:26 pm-8:30 am

2 stops15h 04m

Southampton Eastleigh

Wed 3/12

9:00 am-9:55 pm

2 stops16h 55m

$974

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 3/5

6:00 am-8:45 am

3 stops21h 45m

Southampton Eastleigh

Wed 3/12

9:30 am-11:58 pm

2 stops18h 28m

$1,022

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 3/8

8:30 pm-7:40 pm

2 stops18h 10m

Southampton Eastleigh

Sat 3/15

9:30 am-7:45 pm

2 stops38h 15m

$1,263

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 7/2

9:20 pm-7:30 pm

2 stops17h 10m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Baltimore to Portsmouth

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

Travel insights for flights from Baltimore to Portsmouth

Get recent, data-driven insights about flights from Baltimore to Portsmouth including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Baltimore to Portsmouth?

Currently, November is the cheapest month in which you can book a flight from Baltimore to Portsmouth (average of $661). Flying from Baltimore to Portsmouth in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Baltimore 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 January 21, 2025.

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

What is the cheapest day to fly from Baltimore to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Portsmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Baltimore to Portsmouth flight should consider departing on Friday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

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.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Baltimore/Washington (BWI), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Baltimore to Portsmouth. 10 airlines have flights from Baltimore/Washington to Portsmouth on a regular basis. Booking flights from Baltimore/Washington to Portsmouth should not be difficult; the airport handles an average of 0 outbound flights to Portsmouth per day.

  • What are the most reliable airlines from Baltimore to Portsmouth?

    Consider American Airlines (44%), Aer Lingus (44%) or Finnair (44%) when booking your flight. These represent the most reliable airlines when flying from Baltimore to Portsmouth.

  • What are the cheapest flights from Baltimore to Portsmouth?

    The cheapest flight price from Baltimore to Portsmouth is $387. On average you can expect to pay $1,407. The most popular route, (Baltimore/Washington - Southampton Eastleigh), can usually be booked for $767.

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

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

  • How can I find direct flights from Baltimore to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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.

  • What is the cheapest month to book a flight from Baltimore to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Baltimore to Portsmouth (average of $661). Flying from Baltimore to Portsmouth in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 10 airlines flying from Baltimore to Portsmouth

Discover the top 10 airlines that operate flights from Baltimore 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$281Average$523FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$475Average$647FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$501Average$697FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$561Average$921FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$580Average$769FlexibilityNo cancel feeOn-time77%
FinnairCheapest$586Average$733FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$601Average$1,004FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$602Average$786FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$630Average$949FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$631Average$913FlexibilityNo cancel feeOn-time71%
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