Route guide · 240 miles
Cheap Flights from Houston to Dallas
HOU → DAL · Nonstop 0h 59m · Live round-trip fares
The run from Houston (HOU) to Dallas (DAL) is 240 miles of sky, and ticket prices on it are anything but steady. One week can cost double the next. Booking about 2–4 weeks in advance — and watching fares with a free Airfare Deal alert — is how regulars on this route keep costs down.
Live fares for HOU → DAL are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
0h 59m
Nonstop, typical
Distance
240 mi
HOU → DAL
Cheapest month
October 2026
Fares from $152
Nonstop airlines
1
Southwest Airlines
Nonstop flights from Houston to Dallas
Nonstop flights from Houston to Dallas are flown by Southwest Airlines. The 240-mile trip takes about 0h 59m gate to gate, and nonstops are usually cheapest when booked 2–4 weeks ahead.
Booking insights: Houston → Dallas
- Distance: 240 miles · nonstop flight time: 0h 59m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $152.
- Of the months we're tracking right now, October 2026 has the lowest fares, starting at $152.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Departing around Oct 22 is currently the cheapest window — about $14 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · Houston → Dallas
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$152
Cheapest: Sat, Oct 24 — $152 · Priciest: Oct 20 — $228
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Houston to Dallas: what you need to know
The flight
At 240 miles, HOU to DAL is one of those quick up-and-down flights: roughly 0h 59m nonstop. There's no meal service to plan around — the decisions that matter here are departure time and which airport entrance traffic is kinder to you.
Airlines on this route
Southwest Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Houston (HOU)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Houston airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Dallas (DAL)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Dallas airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Dallas to Houston fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, October 2026 is coming in cheapest for this route, with fares from $152. As a rule, booking 2–4 weeks ahead lands you in the sweet spot — leave it to the final two weeks and prices usually climb. If you see a fare that works, don't wait around: set a fare alert on this page and we'll watch the price for you.
Good to know before you go
- October 2026 is currently the cheapest tracked month on this route — check those dates first if you're flexible.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
Houston to Dallas flight FAQs
How long is the flight from HOU to DAL?
Plan on about 0h 59m in the air for a nonstop from Houston to Dallas — the route runs roughly 240 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Houston to Dallas?
Southwest Airlines typically operate nonstop flights from HOU to DAL. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Houston to Dallas?
Right now, October 2026 is shaping up cheapest for Houston to Dallas — we've seen fares from $152 in that month. Prices move fast, so lock in when you see a number you like.
How much are last minute flights from HOU to DAL?
Last-minute flights from HOU to DAL (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Houston to Dallas?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Houston to Dallas?
You'll mainly see Southwest Airlines on Houston to Dallas. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Houston airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from Houston
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