How Do I Find Cheap Flights to Atlanta in 2026?
To find cheap flights to Atlanta and other US cities in 2026, fly in September or February (Priceline's cheapest domestic months), leave Thursday to Saturday, book before fares climb 3 to 4 weeks out, search every nearby airport, compare Expedia, Priceline and CheapOair by the final total, and book through ShopBack US.
ShopBack US is a free rewards app, website and browser extension. You start your booking from the booking site's page on ShopBack US, book as usual on that site, and part of what you paid comes back as cash once the trip confirms. Join ShopBack US for free before you book your next flight.
Sources. Priceline's flight booking guidance, the US Department of Transportation rule on 24-hour reservations (14 CFR 259.5) and each airport's official website, at the time of writing in October 2026. We do not quote fares, because they change by the hour; use the method below on the day you book.
How do I find cheap flights to Atlanta?
Cheap flights to Atlanta come from five moves in order: a cheaper month, a cheaper day, booking early enough, comparing booking sites by the final total, and booking through ShopBack. Atlanta's main airport is Hartsfield-Jackson Atlanta International (ATL), so most of the saving comes from dates and booking site rather than airport choice.
- Pick a cheaper month. According to Priceline, September is typically the cheapest month for domestic US flights, with February close behind. December, March and June are usually the priciest.
- Pick a cheaper day. Priceline says departing Thursday, Friday or Saturday can save up to 12% compared with peak days, and a Monday return can trim up to 12%.
- Book before the climb. Priceline says domestic fares typically start rising 3 to 4 weeks before departure, then rise quickly.
- Compare by the final total. Check the same flights on Expedia, Priceline and CheapOair, with the bags you will actually take.
- Book through ShopBack. Pick your dates, compare flights and hotels, go through ShopBack to the booking site, then pay with a travel card.
Cheap flights in 2026: the cheapest months and days for any US city
The cheapest months for domestic flights in 2026 are likely to follow the usual pattern, so these numbers apply to every city on this page. According to Priceline's flight guidance at the time of writing:
| Priceline's guidance for domestic US flights | What it says |
|---|---|
| Cheapest months | September, then February |
| Most expensive months | December, March and June |
| Cheapest days to depart | Thursday, Friday or Saturday (up to 12% less than peak days) |
| Cheapest day to return | Monday (up to 12% less) |
| Priciest days to return | Friday and Saturday |
| Cheapest round-trip pattern | Depart Saturday, return Tuesday (up to 30% less with flexible dates) |
| When fares start rising | 3 to 4 weeks before departure |
These are general patterns, not price promises. Holiday weekends, big events and school breaks in your destination can push fares up even in a cheaper month. Our guide on when to book flights covers booking windows in more detail.
Cheap flights: best deals in the US for 2026
The best deals on US domestic flights in 2026 come from a few habits the booking sites themselves recommend:
- Mix one-way tickets. Priceline says two one-way flights on different airlines can make a cheaper round trip, and its search suggests these combinations automatically.
- Try a mystery fare if you are flexible. Priceline's Express Deals show the general flight time, potential airlines and number of stops, and reveal the details after booking, for discounts Priceline says reach up to 50% off retail fares.
- Bundle if you book late. Priceline suggests a flight with a hotel or rental car to tap into package pricing, and Expedia sells flight and hotel packages in one cart.
- Use the 24-hour window. US rules require covered airlines to hold a reservation at the quoted fare without payment, or let you cancel without penalty, for at least 24 hours after booking when you book a week or more before departure.
- Count the bags. The cheapest fare can cost more once a checked bag or seat is added.
Expedia vs CheapOair vs Priceline: cheap flights price comparison for 2026
No booking site is cheapest on every route, so compare the identical itinerary, meaning the same flights, times, cabin and fare type, by the final total including bags.
| What to compare | Expedia | Priceline | CheapOair |
|---|---|---|---|
| What you can book | Flights, hotels, flight and hotel packages, car rentals | Flights, hotels, rental cars, packages and Express Deals | Flights, hotels, car rentals and vacation packages |
| Round trips | Round trip and one-way search | Builds round trips from two one-way tickets | Round trip and one-way search |
| Flexible deals | Package pricing when you add a hotel | Express Deals with details revealed after booking | Check fees shown at checkout |
| Last step | Book through ShopBack | Book through ShopBack | Book through ShopBack |
Kayak and Breeze Airways come up in a lot of fare searches too. Neither is on ShopBack US at the time of writing, so use them to compare prices only, then book the winning itinerary through a booking site you can reach from ShopBack.
How do I find cheap flights to Phoenix?
Compare Phoenix Sky Harbor (PHX) with Mesa Gateway (AZA) in Mesa, fly in September or February, and leave Thursday to Saturday. Mesa Gateway can price differently from Sky Harbor on the same dates, so add the drive time to your comparison. Then check Expedia vs Priceline for the same flights and book through ShopBack.
How do I find cheap flights to Boston?
Search Boston Logan (BOS) alongside Manchester-Boston Regional (MHT) in New Hampshire and Rhode Island T. F. Green International (PVD) near Providence. The alternatives sometimes price lower but add ground travel, so compare total trip time and cost. For dates, Priceline's September and February guidance applies, and summer and the December holidays usually cost more.
How do I find cheap flights to Seattle?
Fly into Seattle-Tacoma International (SEA) in a cheaper month, depart Thursday to Saturday, and return on a Monday. With one main airport, the saving comes from timing and comparing Expedia vs Priceline by the final total. June is one of Priceline's priciest months, so a September trip is usually the better bet.
How do I find cheap flights to Salt Lake City?
Book Salt Lake City International (SLC) before the 3 to 4 week mark and avoid the December, March and June peaks Priceline names. If you are heading to Utah's ski resorts, a flight and hotel or car package on Expedia or Priceline is worth pricing against separate bookings.
How do I find cheap flights to Los Angeles?
Search all five Los Angeles area airports together: LAX, Hollywood Burbank (BUR), Long Beach (LGB), John Wayne Orange County (SNA) and Ontario (ONT). The cheapest airport often depends on where you are staying, so add the cost of getting across the city. Then compare the same flights on Expedia, Priceline and CheapOair.
How do I find cheap flights to Dallas?
Compare Dallas Fort Worth International (DFW) with Dallas Love Field (DAL) on the same dates. Fares between the two can differ on the same day. Leave Thursday to Saturday, return Monday, and book through ShopBack once you know which airport and site win.
How do I find cheap flights to Alaska?
Price Anchorage (ANC) first, then Fairbanks (FAI) or Juneau (JNU) if that is where you are going, and book well ahead. Because June is one of Priceline's priciest domestic months, compare a late-spring or September trip against midsummer.
How do I find cheap flights to Philadelphia?
Fly into Philadelphia International (PHL) in September or February, leave Thursday to Saturday, and compare Expedia vs Priceline for the identical flights. Two one-way tickets on different airlines, which Priceline's search suggests automatically, can beat a single round-trip fare.
How do I find cheap flights to Norfolk, Virginia?
Search Norfolk International (ORF) on flexible dates and compare connecting itineraries, since mid-sized airports usually have fewer nonstop routes. A connection through a larger airport can sometimes cost less than a nonstop. Book before the 3 to 4 week mark and book through ShopBack on the winning site.
How do I find cheap flights to San Francisco?
Search San Francisco International (SFO), Oakland San Francisco Bay Airport (OAK) and San Jose Mineta (SJC) together. All three serve the Bay Area, and the cheapest one changes by date and departure city. Factor in getting to your hotel, then compare the same flights on Expedia and Priceline.
How do I find cheap flights to Indianapolis?
Fly into Indianapolis International (IND) on a cheaper day, and compare nonstop and one-stop options. As with Norfolk, a connection can undercut a nonstop. Priceline's Express Deals can suit a flexible weekend trip if you do not mind learning the airline after you book.
How do I find cheap flights to Austin?
Book Austin-Bergstrom International (AUS) early when your dates overlap a big event, and use a cheaper month when they do not. Large festivals and conferences in Austin can push fares up, so check the event dates on the organizer's own site before you pick your travel days.
How do I find cheap flights to San Antonio?
Search San Antonio International (SAT), leave Thursday to Saturday, and price a flight and hotel package if you need a room. Priceline and Expedia both sell packages, which can beat booking the flight and hotel separately on fixed-date leisure trips.
How do I find cheap flights to Washington, DC?
Search all three Washington-area airports: Reagan National (DCA), Dulles (IAD) and Baltimore/Washington International (BWI). The cheapest of the three can change by date and departure city. Add the cost of getting into the city to your comparison, then book through ShopBack.
How do I find cheap flights to Charlotte?
Fly into Charlotte Douglas International (CLT) on a cheaper day and in a cheaper month, and compare Expedia vs Priceline vs CheapOair by the final total. Check whether a basic fare includes a carry-on or checked bag before you count it as the cheapest.
Book your flight through ShopBack
Going through ShopBack gets you a cash rebate on the same order, at the same store. It is the last step in finding a cheap flight, because it changes what the trip costs you after you pay.
Cashback lowers what you actually pay for an order. It comes back as cash, so it works like a discount on the price, not like points or miles.
How to do it:
- Find your best itinerary and compare it on two or three sites.
- Open the ShopBack US app, website or browser extension and go to the booking site's page: Expedia, Priceline or CheapOair.
- Check the rate shown on that page, tap through and book.
- Our guide to Cashback on flights explains each stage.
Worked example (illustrative only). Say your fare to Atlanta is $250 before taxes and fees on Expedia. Your effective fare is $250 minus the Cashback, at the live rate shown on Expedia's ShopBack page.
Using a travel credit card and ShopBack on the same flight
You may be able to earn your card's travel points and still book through ShopBack on the same flight, because the card's rewards come from the card issuer and follow the issuer's rules. Whether your card earns depends on your card's terms. Our guide to ShopBack and credit cards in the US has the details.
Mistakes that make a cheap flight expensive
- Searching one airport only. LAX and Burbank, SFO and Oakland, or DCA and BWI can price differently on the same day.
- Comparing fares without bags. The cheapest fare can cost more once a checked bag is added.
- Waiting until the last three weeks. Priceline says domestic fares start rising 3 to 4 weeks out.
- Paying first and remembering ShopBack later. A booking usually cannot be added afterwards, so start from ShopBack before you book.
Frequently asked questions
How do I find cheap flights to Atlanta?
Fly to Atlanta (ATL) in September or February, which Priceline names as the cheapest months for domestic US flights, leave on a Thursday, Friday or Saturday, and book before fares start rising 3 to 4 weeks out. Compare the same flights on Expedia, Priceline and CheapOair by the final total with bags, then book through ShopBack US.
What is the cheapest month to fly within the US?
According to Priceline's flight guidance at the time of writing, September is typically the cheapest month for domestic US flights, followed closely by February, while December, March and June are usually the most expensive because of holiday travel and spring and summer vacations.
What day of the week is cheapest to fly in the US?
Priceline says departing on a Thursday, Friday or Saturday can save up to 12% on domestic fares compared with peak days, and a Monday return can trim up to 12%. A Saturday departure with a Tuesday return often gives the cheapest round trip, saving up to 30% when your dates are flexible.
How far ahead should I book a domestic flight?
Priceline says domestic US fares typically start rising 3 to 4 weeks before departure and then climb quickly. Booking earlier than that gives you more choice of flights and times. If you have to book late, Priceline suggests Express Deals or a flight and hotel or car package.
Which airports should I search for Los Angeles, San Francisco or Washington, DC?
For Los Angeles, search LAX plus Hollywood Burbank (BUR), Long Beach (LGB), John Wayne Orange County (SNA) and Ontario (ONT). For San Francisco, search SFO, Oakland San Francisco Bay Airport (OAK) and San Jose Mineta (SJC). For Washington, DC, search Reagan National (DCA), Dulles (IAD) and BWI.
Is Expedia or Priceline cheaper for domestic flights?
Neither is cheaper on every route. Expedia is strong for flight and hotel packages, Priceline offers Express Deals and builds round trips from two one-way tickets on different airlines, and CheapOair is another site to check. Compare the identical flights and fare type by the final total with bags, then book through ShopBack on whichever wins.
What are Priceline Express Deals?
Priceline describes Express Deals as discounted mystery fares: you see the general flight time, potential airlines and number of stops, and the exact details are revealed only after booking, in exchange for discounts Priceline says reach up to 50% off retail fares. They suit travelers who are flexible on airline and times.
Can I cancel a flight within 24 hours in the US?
Usually, for bookings made a week or more before departure. US rules require covered airlines to either hold a reservation at the quoted fare without payment or let you cancel without penalty for at least 24 hours after booking. Booking sites set their own terms, so read them before you pay.
Are flight and hotel packages cheaper?
They can be, especially when you book late. Priceline suggests bundling your flight with a hotel or rental car to tap into package pricing, and Expedia sells flight and hotel packages in one cart. Price the package against separate bookings for the same flights and hotel before you choose.
Can I use a promo code and still get Cashback through ShopBack?
No code is needed for Cashback: go through ShopBack before you pay.
How does ShopBack lower the price of a flight?
Going through ShopBack gets you a cash rebate on the same order, at the same store. Open ShopBack US, tap Expedia, Priceline or CheapOair, and book; part of what you paid comes back as cash once the trip confirms, so it works like a discount on the fare, not like points or miles.
Can I use a travel credit card and ShopBack on the same flight?
You may be able to, because card rewards come from your card issuer and follow the issuer's rules. Whether your card earns depends on your card's terms.
Key takeaways
- Priceline names September, then February, as the cheapest months for domestic US flights, and December, March and June as the priciest.
- Depart Thursday to Saturday and return Monday; Priceline says each can save up to 12%, and domestic fares start rising 3 to 4 weeks out.
- Search every nearby airport: LAX and its neighbors, SFO with OAK and SJC, DCA with IAD and BWI, DFW with Love Field, PHX with Mesa Gateway, BOS with MHT and PVD.
- Compare Expedia, Priceline and CheapOair by the final total with bags; use Kayak and Breeze Airways for price checks only.
- Book through ShopBack US, so the trip costs what you paid minus the cash that comes back.
Related reads
Book through ShopBack US: Expedia · Priceline · CheapOair
Disclaimer
The views and recommendations in this article are those of the author. Fares, routes, cheapest-day and cheapest-month patterns, cancellation terms and promo codes are set by airlines and booking sites and can change. Prices in the worked examples are illustrative. Rates on ShopBack vary by site and campaign; check the current rate on each booking site's ShopBack page before you book.
This article is for general information only and is not professional or financial advice.
Related guides
How Do I Find Cheap Flights in 2026?
To find cheap flights in the US in 2026, search flexible dates and nearby airports, compare the same itinerary on Expedia, Priceline, CheapOair and Trip.com, use the airline's 24-hour hold or cancel rule to lock a fare, and go through ShopBack US before you book so part of the fare comes back as cash.
What's the Cheapest Day to Buy Flights in the US? (2026 Data)
The cheapest day to buy flights in the US in 2026 is usually at the weekend for domestic trips (Saturday in Expedia's 2026 data, about 2% below Monday) and Friday across all trips (3% below Sunday). The day you fly, the month and how far ahead you book move the price far more, and going through ShopBack before you book on Expedia or Priceline lowers the effective price.
Proven Tips for Cheap Flights 2026: How to Find the Cheapest Airfare
The proven tips for the cheapest airfare in the US in 2026: be flexible on the day you fly (Priceline says Thursday to Saturday departures can save up to 12% on domestic fares), book a few weeks out, use the 24-hour hold or cancel rule, compare Expedia, Priceline and CheapOair, and open ShopBack before you book so the effective price drops.
Can I Get Cashback on Flights in the US in 2026?
Yes. In the US you can get Cashback on flights by going through ShopBack before you book on Expedia, Priceline, Trip.com or an airline with its own ShopBack page. The cash is confirmed after you fly and paid as cash you can withdraw.
