$23 Cheap Flights to Fronteira

View $23 flight on Tue, Jun 16, 2026Opens in a new window

Popular airlines to Fronteira

How much is the cheapest flight to Fronteira?

Prices were available within the past 7 days and start at $23 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, Apr 21 - Mon, Apr 27
MAD
Madrid
LIS
Lisbon
$43 Roundtrip, found 9 hours ago
$43
Roundtrip
found 9 hours ago
Select Ryanair flight, departing Tue, Apr 21 from Madrid to Lisbon, returning Mon, Apr 27, priced at $43 found 9 hours ago
Iberia
Sat, Jan 30 - Wed, Mar 3
FRA
Frankfurt
LIS
Lisbon
$242 Roundtrip, found 19 hours ago
$242
Roundtrip
found 19 hours ago
Select Iberia flight, departing Sat, Jan 30 from Frankfurt to Lisbon, returning Wed, Mar 3, priced at $242 found 19 hours ago
Air Europa
Thu, Nov 12 - Thu, Nov 19
JFK
New York
LIS
Lisbon
$465 Roundtrip, found 1 hour ago
$465
Roundtrip
found 1 hour ago
Select Air Europa flight, departing Thu, Nov 12 from New York to Lisbon, returning Thu, Nov 19, priced at $465 found 1 hour ago
SATA International-Azores Airlines S.A.
Mon, Jan 4 - Mon, Jan 25
BOS
Boston
LIS
Lisbon
$478 Roundtrip, found 19 hours ago
$478
Roundtrip
found 19 hours ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Jan 4 from Boston to Lisbon, returning Mon, Jan 25, priced at $478 found 19 hours ago
Scandinavian Airlines
Thu, Jan 14 - Fri, Jan 22
ORD
Chicago
LIS
Lisbon
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Thu, Jan 14 from Chicago to Lisbon, returning Fri, Jan 22, priced at $578 found 1 day ago

Frequently asked questions

What month is the cheapest to fly to Fronteira?
Plan your trip for April if you're looking for a good price on your fare. It's the cheapest month to fly to Fronteira. If possible, avoid traveling during peak periods such as major public holidays or during big events.
Which US cities fly direct to Fronteira?
There are 8 US cities where you can fly to Fronteira directly from. Explore the options by selecting the "Direct flights only" filter on Expedia and find the ideal starting point for your trip. Here are several of the top cities to take off from:

  • Boston
  • Newark
  • Washington
  • New York
  • Miami

How to find a cheap flight to Fronteira?
Traveling in the low season and booking ahead of time are two good ways to secure cheap flights to Fronteira. Or, consider departing on a Thursday, which, on average, is 16% cheaper than leaving on a Sunday.* Want to be the first to know as soon as fares fall? Just set up price tracking on the Expedia app for real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Fronteira?
You can find great deals on last-minute flights to Fronteira, especially if your plans are flexible. Think about flying from a different airport, tweaking your trip dates or picking an alternative airline to get a cheap flight to Fronteira.
How far in advance should I book a flight to Fronteira?
To pick up the best deals on domestic journeys, book your flight to Fronteira 28 days ahead of your travel dates. For international flights, it's two to four months in advance. This gives you a better chance of securing your preferred departure dates and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Fronteira?
You can usually get cheap flights to Fronteira on Sundays. You can save about 8% on average compared to booking on a Friday, which is often the most expensive day to buy tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Fronteira?
You can choose from a selection of airlines that fly to Fronteira. A few of your best options are:

  • TAP Portugal - 273 flights to Fronteira each month, including 273 flights to Humberto Delgado Airport (LIS) per month.
  • United Airlines - 60 flights to Fronteira each month, including 60 flights to Humberto Delgado Airport (LIS) per month.
  • Delta Air Lines - 60 flights to Fronteira each month, including 60 flights to Humberto Delgado Airport (LIS) per month.

Can I save money by booking a Fronteira trip package?
You could potentially save hundreds of dollars if you choose a Fronteira flight and hotel package deal on Expedia. And you'll save time and hassle by having all your travel plans in the same place. Try bundling your flight and hotel with add-ons like activities and tours for your own customized Fronteira trip.
Can I change or cancel my flight to Fronteira?
You can usually cancel or change your flight to Fronteira within 24 hours of booking. However, keep in mind that some fares are non-refundable. In those cases, you may be issued credit for future flights instead of a direct refund. Be sure to check the airline's terms of service in your itinerary for exact details. You can use Expedia's "Changes included" or "No cancel fee" filters when you search to find cheap flights to Fronteira with flexible change policies. For more information, visit our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Humberto Delgado
Destination airport IATA code
LIS
Destination city name
Lisbon
Roundtrip price
$43

Trending flights to Fronteira

Prices were available within the past 7 days and start at $23 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Thu, Nov 12 - Thu, Nov 19
JFK
New York
LIS
Lisbon
$465 Roundtrip, found 1 hour ago
$465
Roundtrip
found 1 hour ago
Select Air Europa flight, departing Thu, Nov 12 from New York to Lisbon, returning Thu, Nov 19, priced at $465 found 1 hour ago