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US Domestic flyg kostnad & Time Estimator

A JFK↔LAX round trip in main-cabin economy for two lands near $1,182 in 2026: $511 per person from the two band midpoints ($248 westbound + $263 eastbound — winds make westbound pricier), or $1,022 for the party, plus two checked bags at 2 × $40 × 2 legs = $160. The run is 2,475 miles, blocking 6h 25m out and 5h 25m back. And the verdict between cabins: economy's premium over basic is $65 each way — net of the bag fee, the seat + carry-on really cost $25.

Per-person fare (out + back, band mid)
$511
Bags ($40/bag × each way)
$160
Total for two
$1,182($591/person)
Basic vs economy (net of the bag fee)
$65 → $25
Pricing
historical 2026 bands — check live

Indata

City pair (15 busiest routes)

2,475 mi · The transcon trunk: 60+ daily nonstops across JFK/EWR — JetBlue and Alaska keep premium cabins somewhat honest.

Trip type
Cabin

Band mid $248 each way on this pair.

Travelers
Checked bags (party, each way)

2 × $40 × 2 legs = $160. Domestic first typically includes 2 free checked bags per person — zero the count to model that.

Date flexibility ±3 days

Toggle on to see the band-low midweek scenario.

Default scenario: JFK-LAX · round-trip · economy · 2 travelers · 2 bags — edit inputs
Party total — New York (JFK) → Los Angeles (LAX) · Round-trip · Economy (main cabin) · 2026
$1,182
≈ 4,433 SAR (pegged rate)
2,475 mi · Block time: 6h 25m out, 5h 25m back (gate to gate).
Formula: (out mid $248 + return mid $263) × 2 travelers + 2 bags × $40 × 2 legs. Historical 2026 bands.
Outbound (Economy (main cabin) · band 178-318)
$496
Return (lax→jfk · band 188-338)
$526
Bags (2 × $40 × 2)
$160
Party total
$1,182
Per person (÷2)
$591
The verdict: basic vs main-cabin economy
Basic economy mid (each way, per person)
$183
Economy mid (each way, per person)
$248
Economy premium over basic
$65

On the Big 3, basic includes no carry-on — after the $40 bag you would pay anyway, the seat + carry-on really cost $25. Take main-cabin economy.

These are historical 2026 fare bands for planning, not live quotes — fares swing with oil, demand and schedule cuts. Always check live prices before booking. · Cheapest days to fly domestic in 2026: Tuesday and Wednesday; dearest are Friday and Sunday. The cheapest months are January (post-holidays) and September-early November.
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Vanliga frågor

What is the average US domestic airfare in 2026?

Plan around roughly $200 one-way / $390-410 round-trip as the 2026 all-route domestic average — but the average hides a huge spread. On this tool's 15 busiest pairs, economy band midpoints run from $94 each way (ATL-MCO, 401 miles) to $274 (HNL-LAX, 2,556 miles), while the JFK-LAX transcon mid sits at $248 out and $263 back. Distance explains less of the fare than competition does: ULCC-pressured pairs like PHX-DEN and DFW-DEN price per-mile far below hub-captive pairs like LGA-ORD or DFW-LGA.

What is the real difference between basic economy and standard economy?

On Delta, American and United in 2026, basic economy means: no full-size carry-on (a personal item only), no advance seat selection, last boarding group, and bottom-of-the-list rebooking. The fare gap on busy pairs is typically $40-70 each way — but net out the $40 checked or gate-checked bag you would pay anyway and the true premium for seat + carry-on is often just $5-30. The calculator's verdict row does this subtraction for you. On Southwest the calculus differs: no bag fees and open seating, so "basic" there is mostly a boarding-order product.

Which days are cheapest to fly domestically?

Tuesday and Wednesday are reliably the cheapest days to fly domestic in 2026; Friday and Sunday are the dearest, with Saturday sometimes surprisingly cheap on leisure pairs like LAS-ORD. The cheapest months are January (post-holiday) and the September-to-early-November shoulder. On the ±3-day flex toggle, shifting a weekend trip to midweek typically books 15-25% under the band midpoint — near the band low — which is usually a bigger saving than any fare-sale alert.

Why is a round trip sometimes cheaper than two one-ways?

Because one-way fares are priced for business and flexible travelers, not for people willing to commit. On competitive pairs (JFK-LAX with JetBlue/Alaska/Delta) a one-way is roughly half the round trip, so it barely matters. But on hub-captive pairs (DFW-LGA, LGA-ORD on a single dominant carrier) one-ways can price above half the round trip — occasionally a round trip with an unflown return beats the one-way you actually needed. This tool prices each direction from its own band, so it reflects real directional pricing rather than assuming symmetry.

Are red-eye flights worth the savings?

A red-eye (overnight eastbound, e.g. LAX-JFK 23:00 landing at dawn, or HNL-LAX overnight) typically saves $30-80 each way versus daytime banks on the same pair. The honest math: you skip a hotel night (worth $120-200) but land a walking zombie — fine for an early meeting or a connection, brutal if you have a full first day. If you were paying for that hotel night anyway the red-eye is a double win; if you lose a functional day to it, the $50 saving is a bad trade.

How far in advance should I book a domestic flight?

The 2026 domestic sweet spot is roughly 1-3 months out. Fares are usually flat and reasonable in that window, drift upward inside 3 weeks, and steepen sharply inside 7 days. Booking too early (5+ months) rarely wins on domestic routes because carriers have not loaded competitive inventory yet. For holiday weeks (Thanksgiving, Christmas) shift the whole window earlier — 2-4 months — since those flights fill at the top of the band and basic economy sells out first.

What do last-minute domestic flights really cost?

Inside 7 days, expect roughly 1.5-2x the 21-day-out fare on busy pairs: the seats left are priced for business travelers who must fly, not for bargain hunters. Inside 48 hours the band top takes over completely. The realistic last-minute plays are: fly Tuesday/Wednesday, take the red-eye, check alternate airports (BUR/OAK/SJC instead of LAX/SFO — the LAX-SFO entry carries that note), or accept basic economy on a short hop where the missing carry-on matters less.

How does the checked-bag math work?

At the 2026 Big-3 norm of $40 per bag each way, the math is bags × $40 × legs. Two travelers round trip with two shared checked bags: 2 × $40 × 2 = $160 added to the fare total. Bag fees are per bag, not per person, and they are charged each direction — a round trip pays them twice. Two escape hatches: domestic first typically includes 2 free checked bags per person (often making first net-cheaper than it looks for bag-heavy families), and Southwest-style carriers bundle bags — set the bag count to 0 to model those.

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