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Cheap flights from Portsmouth to Reykjavik from £164

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — REK
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Reykjavik

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Reykjavik
Explore the most affordable flight options available from Portsmouth to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Mon 4/519:20
SOU
-
KEF
2 stops24h 25m
Multiple Airlines
Mon 11/508:35
KEF
-
SOU
1 stop23h 00m
Multiple Airlines
Deal found 20/3£267
Sat 2/507:50
SOU
-
KEF
3 stops26h 50m
Multiple Airlines
Sat 9/508:30
KEF
-
SOU
2 stops22h 25m
Multiple Airlines
Deal found 18/3£309
Tue 5/519:55
SOU
-
KEF
1 stop12h 45m
Multiple Airlines
Tue 12/519:00
KEF
-
SOU
2 stops36h 35m
Multiple Airlines
Deal found 21/3£331

Find flight deals from Portsmouth to Reykjavik

Keep the following information in mind while searching for Portsmouth to Reykjavik flight deals. Data was last updated 23 March 2026.

Round-trip from

£267

One-way from

£164

Popular in

July

Cheapest in

January

Average price

£142
KLM
  • KLM
  • 4/5-11/5
  • 3 total stops
  • 47h 25m total
  • Portsmouth to Reykjavik
Search Deals
7/7
  • 7/7
  • 2 total stops
  • 23h 45m total
  • Portsmouth to Reykjavik
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Reykjavik 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 858,174 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from Portsmouth to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Mon 4/5

19:20-09:40

3 stops39h 20m

Reykjavik Keflavik Intl

Mon 11/5

08:35-08:35

1 stop23h 00m

£317
Fastest return journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 2/5

06:50-08:15

1 stop26h 25m

Reykjavik Keflavik Intl

Sat 9/5

08:30-19:10

2 stops9h 40m

£408

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 23/5

20:05-18:10

2 stops23h 05m

Reykjavik Keflavik Intl

Sat 30/5

08:30-08:35

2 stops23h 05m

£444

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 18/4

10:15-09:45

2 stops48h 30m

Reykjavik Keflavik Intl

Tue 21/4

10:50-20:45

2 stops32h 55m

£503

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Mon 22/6

15:15-09:55

2 stops19h 40m

Reykjavik Keflavik Intl

Thu 25/6

10:40-09:25

2 stops21h 45m

£656

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Mon 22/6

15:15-09:55

2 stops19h 40m

Reykjavik Keflavik Intl

Fri 26/6

10:30-11:45

2 stops24h 15m

£739
Cheapest one-way
Fastest single journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Tue 7/7

08:55-07:40

2 stops23h 45m

£164

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Sorted by cheapest first

Best time to book a flight from Portsmouth to Reykjavik

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

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Reykjavik (average of £51). Flying from Portsmouth to Reykjavik in July is currently the most expensive (average of £184). 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 P0R to REK?

Find hourly flight availability from Portsmouth to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 March 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 30% on flights from Portsmouth to Reykjavik by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Reykjavik. Price data was last updated on 23 March 2026.

Travellers seeking maximum savings on their Portsmouth to Reykjavik flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Reykjavik

Explore weekly flight availability from Portsmouth to Reykjavik. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 March 2026.

The most flights from P0R to REK are scheduled on a Sunday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Related info for your journey

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

  • How long is the flight from Portsmouth to Reykjavik?

    British Airways can get you from Portsmouth to Reykjavik in just under 48h 30m. Your travel time can differ by up to . The distance between Portsmouth and Reykjavik is about 1185 mi.

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

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Reykjavik consider choosing Qatar Airways (98%), American Airlines (96%) or Qantas Airways (96%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Reykjavik?

    Looking at all options, your cheapest flight can be booked for £178. While the most popular route (Southampton Eastleigh - Reykjavik Keflavik Intl) can be booked for £331 on average, our data indicates £768 when flying from Portsmouth to Reykjavik.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Reykjavik 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 Portsmouth to Reykjavik?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Reykjavik (average of £51). Flying from Portsmouth to Reykjavik in July is currently the most expensive (average of £184). 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.

See more FAQs

Travelling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Hveragerdi

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Top 5 airlines flying from Portsmouth to Reykjavik

Discover the top 5 airlines that operate flights from Portsmouth to Reykjavik. 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 858,174 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£49Average£105FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£120Average£229FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£120Average£261FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
PLAYCheapest£128Average£238FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Scandinavian AirlinesCheapest£136Average£260FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Reykjavik?

When you search for this flight from Portsmouth to Reykjavik, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Reykjavik?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Reykjavik.

Can Cheapflights find flights from Portsmouth to Reykjavik with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Reykjavik, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portsmouth to Reykjavik become cheaper?

Yes! Start tracking prices for Portsmouth to Reykjavik flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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