Cheap flights from Detroit to Portsmouth (DTT - PSM)

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How to find the cheapest flight from
Detroit (DTT) to Portsmouth (PSM)

All the information you need to plan the best DTT to PSM flight in 2022: compare Detroit to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
What is the cheapest month to fly from Detroit to Portsmouth, New Hampshire?

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 Portsmouth, New Hampshire. Flights to Portsmouth, New Hampshire from Detroit in February are about $244 on average during February, but can be found for as low as $117.

When is the cheapest time to fly from Detroit to Portsmouth, New Hampshire (DTT - PSM)?

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

How far in advance should I book a flight from Detroit to Portsmouth, New Hampshire?

Users have found that booking a flight from Detroit to Portsmouth, New Hampshire at least 61 days early can save you up to 20% 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 Detroit to Portsmouth, New Hampshire for as little as $262 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 $306 for flights departing within the next 3 days.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Detroit</span> to <span class="emphasized">Portsmouth</span> flights.

COVID Restrictions

View COVID Travel Restrictions for Portsmouth, NH

Do I need a COVID test to fly to Portsmouth from Detroit?

Information is based on travel restrictions for travel to Portsmouth Pease Intl within the United States

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

COVID-19 testing requirements
Visitors from Detroit are not required to present a negative COVID-19 PCR test or antigen result upon entering Portsmouth Pease Intl.

Quarantine requirements
Visitors from Detroit are not required to quarantine after entering Portsmouth Pease Intl.

Do I need a test to fly back to Detroit from Portsmouth?

Returning to Detroit from Portsmouth Pease Intl

COVID-19 testing requirements
Visitors from Portsmouth Pease Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Detroit.

Quarantine requirements
Visitors from Portsmouth Pease Intl are not required to quarantine after entering Detroit.

Hide COVID Travel Restrictions for Portsmouth, NH