$231+ Cheap flights from Miami to Portsmouth, NH (MIA - PSM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — PSM
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Miami to Portsmouth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Miami to Portsmouth
One-way
One-way flights from Miami to PortsmouthSearch for one-way flight options from Miami to Portsmouth. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Miami to Portsmouth. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:05 am -
2 stops14h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$231
This Kissandfly.com deal was found by Cheapflights users on 10/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:15 am -
2 stops12h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/66:42 am -
2 stops35h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/59:22 am -
2 stops24h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/76:40 am -
2 stops12h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$501
Find flight deals from Miami to Portsmouth
Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Portsmouth (PSM). 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | January |
Average price | $345 |
Cheapflights Fare Finder
Customize your flight search to find flights from Miami 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 7,457,451 searches. Data last updated October 24, 2026.
Use the filters below to find and compare flights from Miami to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MiamiPortsmouth
MIA Miami - PSM Portsmouth Pease Intl
MIAPSM
Miami
Sat 10/31
5:05 am-7:57 pm
2 stops14h 52m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$231
MiamiPortsmouth
MIA Miami - PSM Portsmouth Pease Intl
MIAPSM
Miami
Sun 11/1
5:15 am-6:07 pm
2 stops12h 52m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$325
MiamiPortsmouth
MIA Miami - PSM Portsmouth Pease Intl
MIAPSM
Miami
Sat 3/6
6:42 am-6:07 pm
2 stops35h 25m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$366
MiamiPortsmouth
MIA Miami - PSM Portsmouth Pease Intl
MIAPSM
Miami
Fri 3/5
9:22 am-9:42 am
2 stops24h 20m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$457
Quickest round-trip
MiamiPortsmouth
MIA Miami - PSM Portsmouth Pease Intl
MIAPSM
Miami
Sun 3/7
6:40 am-7:09 pm
2 stops12h 29m
Portsmouth Pease Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$501
Sorted by cheapest first
Compare providers for flights from Miami to Portsmouth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Portsmouth in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Miami-Portsmouth, New Hampshire flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-Portsmouth, New Hampshire flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-Portsmouth, New Hampshire flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Miami-Portsmouth, New Hampshire flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Portsmouth, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Miami to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Miami with our price prediction graph.
MIA-PSM
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.
Related info for your journey
Find useful and relevant information for your journey from Miami to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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