LGANew York to 2h 14mNonstopATLAtlanta
Avg round trip$218*
Cheap Domestic Flights
Round-trip fares on 36 busy US routes from 8 cities: the average fare, the cheapest month and day to fly, and which airline has been cheapest. All fares include taxes and fees.
- Fare experts on call
- Total prices, taxes included
- Independent US travel agency
Past dates are unavailable
Domestic fares at a glance
Averages for round trips over the past 12 months, including taxes and fees.
- $115cheapest route: Las Vegas–Los Angeles, average round trip
- Januarycheapest month on 16 of 36 routes
- Tuesdaycheapest day to depart on 15 routes
- +29%typical last-minute premium, inside two weeks
Cheap flights from your city
Pick a city to see six of its busiest nonstop routes, cheapest first.
Flights from New York
LGANew York to 2h 20mNonstopORDChicago
Avg round trip$232*
EWRNewark to 2h 59mNonstopMCOOrlando
Avg round trip$258*
LGANew York to 3h 19mNonstopMIAMiami
Avg round trip$276*
JFKNew York to 6h 18mNonstopLAXLos Angeles
Avg round trip$417*
JFKNew York to 6h 40mNonstopSFOSan Francisco
Avg round trip$471*
Flights from Los Angeles
LAXLos Angeles to 1h 19mNonstopLASLas Vegas
Avg round trip$115*
LAXLos Angeles to 1h 30mNonstopPHXPhoenix
Avg round trip$194*
LAXLos Angeles to 1h 33mNonstopSFOSan Francisco
Avg round trip$210*
LAXLos Angeles to 2h 37mNonstopDENDenver
Avg round trip$225*
LAXLos Angeles to 2h 49mNonstopSEASeattle
Avg round trip$255*
LAXLos Angeles to 6h 18mNonstopJFKNew York
Avg round trip$417*
Flights from Chicago
ORDChicago to 2h 21mNonstopATLAtlanta
Avg round trip$225*
ORDChicago to 2h 20mNonstopLGANew York
Avg round trip$232*
ORDChicago to 3h 08mNonstopBOSBoston
Avg round trip$247*
ORDChicago to 2h 49mNonstopDFWDallas–Fort Worth
Avg round trip$265*
ORDChicago to 2h 26mNonstopDCAWashington
Avg round trip$324*
ORDChicago to 4h 59mNonstopSFOSan Francisco
Avg round trip$386*
Flights from Atlanta
ATLAtlanta to 1h 55mNonstopFLLFort Lauderdale
Avg round trip$134*
ATLAtlanta to 1h 35mNonstopMCOOrlando
Avg round trip$152*
ATLAtlanta to 2h 36mNonstopDFWDallas–Fort Worth
Avg round trip$177*
ATLAtlanta to 2h 04mNonstopBWIBaltimore
Avg round trip$189*
ATLAtlanta to 2h 14mNonstopLGANew York
Avg round trip$218*
ATLAtlanta to 2h 21mNonstopORDChicago
Avg round trip$225*
Flights from Dallas
DFWDallas–Fort Worth to 2h 36mNonstopATLAtlanta
Avg round trip$177*
DFWDallas–Fort Worth to 2h 14mNonstopDENDenver
Avg round trip$177*
DFWDallas–Fort Worth to 2h 40mNonstopMCOOrlando
Avg round trip$246*
DFWDallas–Fort Worth to 3h 01mNonstopLASLas Vegas
Avg round trip$253*
DFWDallas–Fort Worth to 2h 49mNonstopORDChicago
Avg round trip$265*
DFWDallas–Fort Worth to 3h 27mNonstopLAXLos Angeles
Avg round trip$284*
Flights from Miami
FLLFort Lauderdale to 1h 55mNonstopATLAtlanta
Avg round trip$134*
FLLFort Lauderdale to 2h 56mNonstopLGANew York
Avg round trip$224*
MIAMiami to 3h 20mNonstopJFKNew York
Avg round trip$265*
MIAMiami to 3h 39mNonstopORDChicago
Avg round trip$269*
MIAMiami to 3h 19mNonstopLGANew York
Avg round trip$276*
FLLFort Lauderdale to 3h 11mNonstopEWRNewark
Avg round trip$276*
Flights from Orlando
MCOOrlando to 1h 35mNonstopATLAtlanta
Avg round trip$152*
MCOOrlando to 2h 34mNonstopPHLPhiladelphia
Avg round trip$207*
MCOOrlando to 3h 01mNonstopLGANew York
Avg round trip$243*
MCOOrlando to 2h 59mNonstopEWRNewark
Avg round trip$258*
MCOOrlando to 2h 53mNonstopORDChicago
Avg round trip$283*
MCOOrlando to 2h 55mNonstopSJUSan Juan
Avg round trip$285*
Flights from Las Vegas
LASLas Vegas to 1h 19mNonstopLAXLos Angeles
Avg round trip$115*
LASLas Vegas to 1h 20mNonstopSANSan Diego
Avg round trip$157*
LASLas Vegas to 1h 14mNonstopPHXPhoenix
Avg round trip$172*
LASLas Vegas to 2h 02mNonstopDENDenver
Avg round trip$217*
LASLas Vegas to 2h 36mNonstopSEASeattle
Avg round trip$251*
LASLas Vegas to 3h 01mNonstopDFWDallas–Fort Worth
Avg round trip$253*
*Average round-trip economy fare on the route over the past 12 months, all airlines, including all taxes and fees. "Lowest seen" is the lowest round trip found for that airline. These are not live quotes; your travel expert will price your exact dates.
US domestic flying by the numbers
How big the US domestic market is, and where the most people fly.
- 44,000+flights a day handled by US air traffic control, fiscal year 2024
- 390US airports with scheduled passenger flights and more than 10,000 passengers a year
- 78.9 milliondomestic passengers on US airlines in July 2025, the most ever for July
- $428average domestic ticket, January to March 2026, including taxes and fees, before bag fees
The 10 busiest domestic markets in the US
| Market | Passengers a day, each way | Average fare, each way | Largest airline | Distance |
|---|---|---|---|---|
| 1. Miami – New York | 18,659 | $238 | Delta (26%) | 1,118 miles |
| 2. Los Angeles – San Francisco | 15,083 | $201 | Southwest (51%) | 379 miles |
| 3. New York – Orlando | 12,092 | $190 | JetBlue (27%) | 989 miles |
| 4. Los Angeles – New York | 10,752 | $454 | United (31%) | 2,510 miles |
| 5. New York – West Palm Beach | 7,853 | $263 | JetBlue (40%) | 1,056 miles |
| 6. Chicago – New York | 7,766 | $191 | United (46%) | 773 miles |
| 7. New York – San Francisco | 7,028 | $518 | United (37%) | 2,619 miles |
| 8. Atlanta – New York | 6,980 | $204 | Delta (52%) | 795 miles |
| 9. Las Vegas – Los Angeles | 6,146 | $158 | Southwest (53%) | 236 miles |
| 10. Los Angeles – Seattle | 5,998 | $209 | Alaska (65%) | 978 miles |
Figures for the first quarter of 2026, for city-pair markets in the 48 contiguous states, all airports in each city. Average fares are what passengers paid each way, including taxes and fees, before bag fees.
Where a lower-fare airline beats the market average
-
New York – San Francisco 7,028 passengers a day
Alaska averages $225 less each way
-
Dallas – Los Angeles 5,430 passengers a day
Frontier averages $144 less each way
-
Los Angeles – Salt Lake City 3,542 passengers a day
Frontier averages $116 less each way
-
Los Angeles – New York 10,752 passengers a day
JetBlue averages $95 less each way
-
Atlanta – New York 6,980 passengers a day
Frontier averages $95 less each way
-
Chicago – Dallas 3,521 passengers a day
Frontier averages $94 less each way
Average fares each way, including taxes and fees, among the 50 busiest markets in the same quarter. Spirit is left out because it stopped flying in May 2026.
When domestic flights are cheapest
January is the cheapest month on 16 of 36 routes, and Tuesday the cheapest day to leave on 15. Booking 4 to 26 weeks ahead avoids the last-minute jump.
Low-cost or major airline?
On 30 of the 36 routes with airline prices, a low-cost airline had the lowest fare. These routes show the biggest gaps between the cheapest low-cost fare and the cheapest major airline.
-
MIA – ORD Miami to Chicago
Frontier Airlines is $172 less, before bags
-
DFW – LAX Dallas–Fort Worth to Los Angeles
Frontier Airlines is $149 less, before bags
-
ORD – MCO Chicago to Orlando
Frontier Airlines is $123 less, before bags
-
MCO – PHL Orlando to Philadelphia
Frontier Airlines is $109 less, before bags
-
BWI – ATL Baltimore to Atlanta
Frontier Airlines is $86 less, before bags
-
DFW – DEN Dallas–Fort Worth to Denver
Frontier Airlines is $74 less, before bags
Lowest round-trip fares seen for each airline on the route, including taxes and fees. Low-cost fares usually charge extra for carry-on bags, checked bags and seats.
What bags add to a domestic fare
| Airline | 1st checked bag | 2nd checked bag | Carry-on on the cheapest fare | Free seat choice on the cheapest fare |
|---|---|---|---|---|
| Southwest | $45 | $55 | Yes | No |
| Delta | $45 | $55 | Yes | No (assigned at check-in) |
| American | $45 online, $50 at the airport; Basic Economy $50 online | Basic Economy $60 online, $65 at the airport | Yes | No (paid, or assigned at check-in) |
| JetBlue | $45 off-peak, $49 peak | $59 off-peak, $69 peak | Yes | – |
| United | We confirm it when you book | We confirm it when you book | – | No (paid, or assigned at check-in) |
| Alaska | We confirm it when you book | We confirm it when you book | Yes | No (assigned at the airport) |
| Hawaiian | We confirm it when you book | We confirm it when you book | – | No |
| Frontier | Varies by route and date | Varies by route and date | No, personal item only | No |
| Allegiant | $15 to $70 | $15 to $70 | No, from $10 | No |
| Avelo | $47 to $75 | $47 to $75 | No, from $52 | No |
| Breeze | Varies by route and date | Varies by route and date | Yes (Nice bundle) | No |
| Sun Country | Varies by route and date | Varies by route and date | No, personal item only | No |
Fees each way, per bag, for standard domestic economy tickets bought after the April 2026 increases. Low-cost airlines price bags by route and date, and charge more at the airport. Spirit Airlines stopped flying on May 2, 2026. Allegiant bought Sun Country in May 2026; they still fly separately.
US airlines on these routes
See routes, hubs and typical fares for each airline.
American Airlines
Delta Air Lines
United Airlines
Southwest Airlines
Alaska Airlines
JetBlue
Frontier Airlines
Allegiant Air
Sun Country Airlines
Breeze Airways
Avelo Airlines
Hawaiian AirlinesBefore you book a cheap domestic flight
Six checks our fare experts make on every domestic booking.
- The total, not the fare
Add carry-on, checked bag and seat fees before comparing. The cheapest fare is not always the cheapest trip.
- Basic economy rules
The lowest fares often mean no seat choice, no changes and boarding last. Check what you give up.
- Nearby airports
New York, Chicago, Washington, Dallas, Houston, Miami and Orlando each have more than one airport. One is often cheaper.
- The day you leave
Tuesday is the cheapest day to depart on more routes than any other. Moving a day can matter.
- How far ahead you book
The booking data points to about 9 weeks ahead. Fares inside two weeks run higher.
- The total price
Get the full price, including all taxes and fees, before you pay. We confirm it in writing.
Want the cheapest fare for your dates?
A fare expert compares every airline on your route, including bag and seat fees, then gives you the total price before you pay.
Cheap domestic flights: common questions
What is the cheapest domestic flight in the US?
Of the 36 routes on this page, Las Vegas–Los Angeles has the lowest average round trip at $115, including taxes and fees. 9 routes average under $200 round trip.
What is the cheapest month to fly within the US?
January. It is the cheapest month on 16 of the 36 routes here, far more than any other month. The table on this page shows the cheapest month for each route.
What is the cheapest day to fly domestic?
Tuesday is the cheapest day to depart on 15 of the 36 routes with day-of-week data. It changes by route, so check yours.
How far in advance should I book a domestic flight?
On the 36 routes with booking data, the advice is to book between 4 and 26 weeks before departure, 9 weeks in the middle. Fares in the last two weeks run a median 29% above the route average.
Which airline is cheapest for domestic flights?
On 30 of the 36 routes with airline price data, a low-cost airline such as Frontier, Allegiant or Breeze had the lowest fare seen. Low-cost fares usually charge for carry-on bags, checked bags and seats, so compare the total.
How much does a checked bag cost on a US domestic flight?
Southwest and Delta charge $45 for the first checked bag and $55 for the second on tickets bought after their April 2026 increases. American charges $45 online for the first bag. Low-cost airlines such as Frontier, Allegiant and Avelo price bags by route and date.
Is Spirit Airlines still flying?
No. Spirit Airlines stopped flying on May 2, 2026. Spirit fares are left out of the prices on this page.
Is JustFlightsFares an airline?
No. JustFlightsFares is an independent US travel agency. Our fare experts compare airlines on your route and confirm the total price, including all taxes and fees, before you pay.
About this page. JustFlightsFares is an independent travel agency and is not affiliated with the airlines named here. Airline names appear only to identify them. Fares change constantly, and we confirm the total price, including all taxes and fees, before you pay.
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