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Editor’s note: This is a recurring post, updated with new information and offers.

To kick off the new year, JetBlue is back with its annual Big Winter Sale. One-way flights start as low as $39 across the JetBlue network.

With this deal, JetBlue has gifted travelers time to research and select a deal by next Wednesday, Jan. 11.

Deal basics

Airlines: JetBlue.
Routes: To and from Boston; Fort Lauderdale; Denver; Los Angeles; Palm Beach, Florida; Cancun, Mexico; Nassau, The Bahamas; and others.
How to book: Directly through the airline’s Big Winter Sale page.
Travel dates: Jan. 17 through March 29, for travel on Tuesday and Wednesday. Other blackout dates may apply depending on the route.
Book by: 11:59 p.m. EST on Jan. 11, 2023.

This sale is for the lowest fare available, either Blue Basic or Blue, for travel on Tuesdays and Wednesdays only.

Sample flights

Fares for this deal are displayed based on location, which you can change by selecting the pencil icon followed by “View All Deals” to see all fares.

Though you can view all of the available routes here, they include flights departing from the New York City area, Miami and Boston, with some international availability.

Once you select your desired route, JetBlue will direct you to its low-fare calendar to pick your dates, as shown below, for this round-trip flight from LaGuardia Airport (LGA) to Charleston International Airport (CHS) the third week of January.

Although the sale is marketed as a deal for one-way fares, you can either stack two one-way tickets or book a round trip as normal and still get discounted rates. I actually found a flight back to LGA for $44, slightly cheaper than advertised.

As mentioned, the sale prices are for the lowest fares available, which are likely to be Blue Basic tickets. As JetBlue’s most restrictive class, this fare type only allows travelers to bring one personal item that can fit under the seat in front of them. Any full-size carry-on bag brought to the gate will incur a fee and need to be checked. The fee is $65 one-way (for a first or second checked bag) or $180 (for a third bag).

Read more: Winners and losers in JetBlue’s revamped loyalty program

Neither Blue Basic nor Blue include checked baggage, so factor in an additional $35 for your first bag and $45 for your second should you check bags. If you add your bags in advance, you can save $5 off your first two. Change and cancel fees also apply to Basic fares, so consider upgrading for further flexibility.

Maximize your purchase

Use a card that earns bonus points on airfare purchases. Frequent JetBlue fliers can use the JetBlue Plus Card for 6 points per dollar on eligible JetBlue purchases, the JetBlue Card for 3 points per dollar on eligible JetBlue purchases or the JetBlue Business Card for 6 points per dollar on eligible JetBlue purchases.

Otherwise, try The Platinum Card® from American Express (5 points per dollar on airfare booked directly with the airline or through American Express Travel), on up to $500,000 on these purchases per calendar year, Citi Prestige® Card (5 points per dollar on airfare), Citi Premier® Card, Chase Sapphire Reserve (3 points per dollar on airfare), American Express® Gold Card (3 points per dollar on airfare when booked directly with the airline or through Amex Travel) or the Chase Sapphire Preferred Card (2 points per dollar on travel).

Check out this post for more on maximizing airfare purchases.

The information for the JetBlue Plus Card, JetBlue Card, Jet Blue Business Card, Citi Prestige Card has been collected independently by The Points Guy. The card details on this page have not been reviewed or provided by the card issuer.

Bottom line

You have one more week to snag one-way JetBlue fares as low as $39 across its network for travel between Jan. 17 and March 29.

Travelers looking to plan a JetBlue Vacation can also take advantage of discounted flight and hotel packages, also available to view online.