Cheap flights from Portland, Maine to Lisbon from $612
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 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Portland, Maine to Lisbon
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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 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.
What is the cheapest time of day to depart on your flight to Lisbon?
The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $722. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,096 on average. Flights to Lisbon from Portland, Maine in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
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 53m 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 is 1 operator available for flights from Portland Airport to Lisbon Humberto Delgado Airport as of June 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 100% of the total bookings.
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 8,801 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.