AirSource

Flights Washington → Dallas — September 19, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Saturday, September 19, 2026 on the Washington–Dallas route: 1 stop itinerary (2 flights) via Las Vegas Harry Reid (LAS), from Washington Dulles (IAD) to Dallas/Fort Worth (DFW), first flight Frontier Airlines F94277, departs 6:00 AM, arrives 1:41 PM, total travel time 8h 41m including layovers, flight time 7h 59m (layovers excluded), $146 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 9, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Frontier Airlines F94559, from Washington Dulles (IAD) to Dallas/Fort Worth (DFW), departs 12:30 PM, arrives 2:46 PM, direct, 3h 16m, $184 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.

Lowest price observed in the available data

1-stop itinerary (2 flights)

via Las Vegas Harry Reid (LAS) · first flight Frontier Airlines F94277

1 stop
Sat, Sep 19
Washington Dulles (IAD)
8h 41m
1 stop
Sat, Sep 19
Dallas/Fort Worth (DFW)
First flight
Frontier Airlines F94277 (1st of 2 flights)
Connecting flights
Operated after the layover in Las Vegas Harry Reid (LAS); airline and flight number are not provided by Aviasales in this record: see them on the booking site.
Departure
Washington Dulles (IAD) · September 19, 2026 · local time (UTC-4)
Final arrival
Dallas/Fort Worth (DFW) · September 19, 2026 · local time (UTC-5)
Stops
1 stop · in Las Vegas Harry Reid (LAS)
Total travel time
8h 41m (layovers included)
Flight time
7h 59m (layovers excluded)
Layover time
42m
Carry-on bag
not included (personal item only)
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$146 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on
Last observed price
$146
per person, one way
Check the current price and book

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Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Cheapest direct flight observed

Frontier Airlines F94559

Direct · Washington Dulles (IAD) → Dallas/Fort Worth (DFW)

Direct
Sat, Sep 19
Washington Dulles (IAD)
3h 16m
direct
Sat, Sep 19
Dallas/Fort Worth (DFW)
Airline
Frontier Airlines (F9)
Flight
F94559
Departure
Washington Dulles (IAD) · September 19, 2026 · local time (UTC-4)
Arrival
Dallas/Fort Worth (DFW) · September 19, 2026 · local time (UTC-5)
Stops
Direct (no plane change, as stated by the source; it can include a stop)
Duration
3h 16m
Carry-on bag
not included (personal item only)
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$184 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on
Last observed price
$184
per person, one way
Check the current price and book

Affiliate link. Booking, payment and support are handled by the seller you choose on Aviasales.

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Looking for other times? All WashingtonDallas flights on September 19, 2026 on Aviasales.

Nearby dates