Cheap flights from Chicago to Washington from $75 MDW, ORD, RFD → DCA, IAD

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $116 to $276.

At $278, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 13 Dec to compare.

Every date we hold

161 fares on 7 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $213.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $66 to $271.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 16 Feb 2027, and it is not cheaper.

Every date we hold

42 fares on 4 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $75.

Return

Fares 14 to 29 days before departure were typically 19% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 7 to 13 days before departure were typically 28% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Chicago to Washington?

The cheapest return found recently is $278 with Frontier Airlines, 13 Dec to 20 Dec, found yesterday. The cheapest return we hold, of any age, is $213 with Frontier Airlines, 15 Jan 2027 to 19 Jan 2027, found 8 days ago. The cheapest return fare on each of 7 departure dates is usually $230 to $273.

How much is a one-way flight from Chicago to Washington?

The cheapest one-way found recently is $75 with Frontier Airlines, 16 Feb 2027, found 5 days ago. The cheapest one-way fare on each of 4 departure dates is usually $91 to $118.

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

January 2027 is the cheapest month for a return, from $213, 15 Jan 2027 to 19 Jan 2027, found 8 days ago. February 2027 is the cheapest month for a one-way, from $75, 16 Feb 2027, found 5 days ago.

How far ahead should I book a flight from Chicago to Washington?

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 19% lower than 0 to 6 days before departure. One-way fares 7 to 13 days before departure were typically 28% lower than 0 to 6 days before departure.

Is there a direct flight from Chicago to Washington?

Yes, the cheapest nonstop return found recently is $506 with United Airlines, 26 Nov to 30 Nov, found 4 days ago. The cheapest nonstop one-way found recently is $156 with Southwest Airlines, 16 Feb 2027, found 5 days ago.

How long is the flight from Chicago to Washington?

The cheapest nonstop one-way found recently, with Southwest Airlines on 16 Feb 2027, takes 1 h 50 min from Chicago Midway International Airport (MDW) to Ronald Reagan National Airport (DCA). The cheapest one-way found recently, with Frontier Airlines on 16 Feb 2027, takes 7 h 43 min with 1 stop.

Which airlines have the cheapest flights from Chicago to Washington?

Between 25 Nov and 15 Jan 2027, Frontier Airlines has the cheapest return on all 7 departure dates we hold. Between 17 Nov and 18 Feb 2027, Frontier Airlines has the cheapest one-way on all 4 departure dates we hold.