Cheap flights from Chicago to Washington

One-way fares from $81 · CHI → WAS · prices found by travellers in the last 48 hours

Compare all dates Washington → Chicago
Cheapest fare
$81

Frontier Airlines · Thu, Nov 26

Cheapest month
November

from $81

Direct flights
Yes

Frontier Airlines and American Airlines

Flight time
1h 58m

960 km

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Cheapest month to fly from Chicago to Washington

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $81
  2. December 2026 $113
  3. January 2027 $115
  4. February 2027 $142

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart14:52 Thu, Nov 26ORD → BWI 2h 10m · Direct
$81one way, per person
View deal
Frontier Airlines
Depart14:52 Mon, Nov 23ORD → BWI 2h 10m · Direct
$91one way, per person
View deal
Allegiant Air
Depart09:30 Thu, Nov 12RFD → IAD 5h 46m · 1 stop
$111one way, per person
View deal
American Airlines
Depart20:57 Mon, Nov 9ORD → DCA 1h 58m · Direct
$124one way, per person
View deal
Frontier Airlines
Depart06:30 Tue, Nov 10ORD → DCA 6h 13m · 1 stop
$137one way, per person
View deal
Frontier Airlines
Depart07:55 Mon, Nov 16ORD → BWI 5h 46m · 1 stop
$144one way, per person
View deal
Frontier Airlines
Depart10:19 Fri, Nov 13ORD → IAD 4h 05m · 1 stop
$156one way, per person
View deal
American Airlines
Depart06:57 Sun, Nov 8ORD → DCA 2h 03m · Direct
$164one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Washington

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in WashingtonCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in WashingtonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in WashingtonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in WashingtonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Chicago to Washington

Chicago (CHI) and Washington (WAS) are about 960 km apart. Direct flights take around 1h 58m, and recent direct fares were with Frontier Airlines and American Airlines. Over the next few months, one-way fares start from $81, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Chicago to Washington?

The cheapest one-way fare we've seen recently is $81 with Frontier Airlines, departing Thursday, November 26, 2026. Over the coming months, the lowest fare in each month ranges from $81 to $142.

What is the cheapest month to fly from Chicago to Washington?

November 2026 currently has the lowest fares, from $81 one way.

Are there direct flights from Chicago to Washington?

Yes. Recent direct fares were with Frontier Airlines and American Airlines.

How long is the flight from Chicago to Washington?

A direct flight takes about 1h 58m. Chicago and Washington are around 960 km apart.

Which airlines fly from Chicago to Washington?

Recent fares on this route were with Frontier Airlines, Allegiant Air and American Airlines.

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