Cheap Flights to Serta

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Find the cheapest month to fly from Columbus (CMH) to Lisbon (LIS)

January is typically the cheapest month to fly

From $528 - $989 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to Serta

The cheapest day to fly

Get started finding a cheap flight to Serta on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

is the cheapest month to fly to Serta. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Serta. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Serta, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Serta

The lowest price for round-trip flights to Serta in 2025 starts from , while one-way tickets start from . Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Serta. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Serta

are just some of the airlines that can typically offer cheap tickets to Serta. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Serta and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Serta, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Serta. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Serta plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Serta

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Serta.

Stopover savings

The cheapest tickets to Serta are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Serta. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Serta for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Serta. Simply download the free Expedia app to your smart device and activate Serta flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Serta. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Serta?
Schedule your trip for if you want to get a deal on your fare. It's the cheapest month to fly to Serta. If possible, avoid traveling during busy periods such as major public holidays or events.
Which US cities fly direct to Serta?
Choose from 8 US cities that have direct flights to Serta. When booking on Expedia, check the "Direct flights only" filter to compare nonstop options. Fly to Serta from any of these cities:

  • Boston
  • Newark
  • Washington
  • New York
  • Miami

How to find a cheap flight to Serta?
Book well in advance or look for a cheap flight to Serta during off-peak months like July and August. Flying off on a Thursday could also save you an average of 16% compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just turn on the toggle for "Watch prices" and get notified when there's a better deal.*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 Serta?
It's possible to get great deals on last-minute departures to Serta, especially if your travel plans are flexible. Consider your options for departing from a different airport, changing your trip dates or picking another airline to get a cheap flight to Serta.
How far in advance should I book a flight to Serta?
Secure your flight to Serta two to four months ahead if you're visiting from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Better deals and a greater choice of departure dates, schedules and seating options are some of the great reasons to book early.**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 Serta?
You'll save an average of 8% by buying tickets on a Sunday rather than Fridays, which tend to be the most expensive day to book.* When it comes to scoring a cheap flight to Serta, timing makes a difference.*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 Serta?
Dust off your suitcase and choose from these top airlines that service Serta:

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

Where do you fly into Serta?
Coimbra (CBP-Bissaya Barreto) is the main hub for travelers flying to Serta. Or you can disembark at Covilha (COV). Compare fares between these airports to find the most convenient or cost-effective way to fly to Serta.
How far is the airport from central Serta?
If you're flying into Coimbra (CBP-Bissaya Barreto), you'll be about 30 mi northwest of the center of Serta.
Can I save money by booking a Serta trip package?
Book a Serta flight and hotel package deal on Expedia, and you could enjoy significant savings. It's easy to bundle your flights and accommodations, and you can also add activities and car rentals to create your own customized Serta trip. Plus, there's nothing like the convenience of booking everything in the same place.
Can I change or cancel my flight to Serta?
If you reserved your flight to Serta within the last 24 hours, you can usually change or cancel it for free. After that, additional charges may apply depending on the airline's terms and conditions. To learn more, check out our Customer Service Portal. Remember that some flights are non-refundable, so you may be offered a credit toward a future trip instead of a direct refund. When browsing on Expedia, select the "Changes included" or "No cancel fee" filters to compare tickets with flexible change policies.

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*Available to One Key members.