Cheap flights from Portland, ME to Boise, ID
Flights starting at £135. Choose between Frontier Airlines, Spirit Airlines, or Alaska Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Boise
Cheapest one-way trip | £228 |
---|---|
Cheapest round-trip | £727 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Looking for a different city?
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Alaska Airlines, Allegiant Air, and Sun Country Airlines. Portland and Boise have 61 direct flights per week.
Check-in for a flight from Portland to Boise
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Boise
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 2°C | -4°C |
February | 5°C | -2°C |
March | 10°C | 1°C |
April | 14°C | 3°C |
May | 19°C | 8°C |
June | 25°C | 13°C |
July | 32°C | 18°C |
August | 31°C | 17°C |
September | 25°C | 13°C |
October | 16°C | 6°C |
November | 8°C | 0°C |
December | 2°C | -4°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Portland
- Flights from Portland to London
- Flights from Portland to Orlando
- Flights from Portland to New York
- Flights from Portland to Reykjavik
- Flights from Portland to Fort Myers
- Flights from Portland to Ahmedabad
- Flights from Portland to Pittsburgh
- Flights from Portland to Raleigh
- Flights from Portland to Houston
- Flights from Portland to Charleston
- Flights from Portland to Cancún
- Flights from Portland to Boston
- Flights from Portland to Las Vegas
- Flights from Portland to Denver
- Flights from Portland to Chicago
- Flights from Portland to Miami
- Flights from Portland to Los Angeles
- Flights from Portland to Atlanta
- Flights from Portland to Mexico City
- Flights from Portland to Bogotá
Flights to Boise
- Flights from London to Boise
- Flights from Los Angeles to Boise
- Flights from Barcelona to Boise
- Flights from Chiang Mai to Boise
- Flights from Saint Thomas to Boise
- Flights from Dublin to Boise
- Flights from San Juan to Boise
- Flights from Cairns to Boise
- Flights from Minneapolis to Boise
- Flights from New York to Boise
- Flights from Oakland to Boise
- Flights from Pisa to Boise
- Flights from Milan to Boise
- Flights from Denver to Boise
- Flights from Houston to Boise
- Flights from Las Vegas to Boise
- Flights from Panama to Boise
- Flights from Ontario to Boise
- Flights from Honolulu to Boise
- Flights from San Francisco to Boise
Popular routes
- Flights from London to Bucharest
- Flights from London to Barcelona
- Flights from Saranac Lake to Orlando
- Flights from Mahé to Durban
- Flights from Pointe-à-Pitre to Port of Spain
- Flights from Reggio Calabria to Frankfurt
- Flights from Brussels to Santander
- Flights from Plaka, Milos to Heraklion
- Flights from Palermo to Ibiza
- Flights from Athens to Lampedusa
- Flights from Thessaloniki to Palanga
- Flights from Nuremberg to Florence