Cheap flights from Portland, Maine to Lisbon from $549
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Lisbon departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland, Maine to Lisbon
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Portland, Maine to Lisbon
All round-trip flight deals from Portland, Maine to Lisbon
KLM flights from Portland, Maine to Lisbon
Our best KLM deals on Portland, Maine to Lisbon flight tickets
Air Canada flights from Portland, Maine to Lisbon
Our best Air Canada deals on Portland, Maine to Lisbon flight tickets
See travel insights to Lisbon from
How to get the cheapest flight ticket from Portland, Maine to Lisbon
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Portland, Maine and Lisbon?
What is the cheapest month to fly to Lisbon?
In general, February is the cheapest month to fly from Portland, Maine to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $593. If you are unable to visit Lisbon during the month of February, then departing from Portland, Maine during the month January is also very affordable. Most momondo users find prices during this month for around $606.
What is the cheapest day to depart on your flight to Lisbon?
Our data shows that Sunday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $681. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Lisbon for around $1,357.
When to book flights from Portland, Maine to Lisbon
Cheap Portland, Maine to Lisbon (PWM to LIS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Lisbon
How far is Portland to Lisbon Humberto Delgado by plane?
A flight from Portland to Lisbon Humberto Delgado will travel around 3121.9 mi. Typically, this will take 9h 55m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Portland Airport to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Lisbon Humberto Delgado Airport?
There are 2 operators available for flights from Portland Airport to Lisbon Humberto Delgado Airport as of January 2025.
How old do you have to be to fly from Portland Airport to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The necessary travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland, Maine to Lisbon?
Based on momondo bookings for flights between Portland, Maine and Lisbon, the leading airline is United Airlines, making up 70% of the total bookings. Other popular airlines include Delta with 30%.
Best airlines flying from Portland, Maine to Lisbon
Compare and see reviews for airlines that fly from Portland, Maine to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $550 | Free Cancellation | Rating 7.4 8,982 reviews | |||
| PriceFrom $601 | Free Cancellation | Rating 8.0 8,521 reviews |
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Lisbon?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Lisbon for you.
Can I find flights from Portland to Lisbon with flexible booking policies on momondo?
momondo does allow users to show only those flights to Lisbon from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Lisbon?
Once you have performed a search for Portland to Lisbon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portland to Lisbon right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Portland and alert you when they change.