Cheap flights from Chicago O'Hare to Washington Dulles from $77

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Cheap Chicago O'Hare - Washington Dulles flight offers

Find cheap flight tickets and last-minute flight deals from Chicago O'Hare to Washington Dulles

Frontier Airlines
Fri, 06/26 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sat, 07/25 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $75
Frontier Airlines
Thu, 07/23 (ORD) Chicago -> (IAD) Washington
Frontier Airlines
Tue, 07/28 (IAD) Washington -> (ORD) Chicago

Price found 11 days ago
from $75
Frontier Airlines
Thu, 06/25 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sat, 07/25 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $76
Frontier Airlines
Sat, 06/27 (ORD) Chicago -> (IAD) Washington
Frontier Airlines
Mon, 07/27 (IAD) Washington -> (ORD) Chicago

Price found 10 days ago
from $77
Frontier Airlines
Wed, 06/24 (ORD) Chicago -> (IAD) Washington
Frontier Airlines
Sat, 07/25 (IAD) Washington -> (ORD) Chicago

Price found 10 days ago
from $77
Frontier Airlines
Fri, 06/26 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sun, 06/28 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $78
Frontier Airlines
Mon, 06/22 (ORD) Chicago -> (IAD) Washington
Frontier Airlines
Tue, 07/28 (IAD) Washington -> (ORD) Chicago

Price found 10 days ago
from $78
Frontier Airlines
Sat, 06/27 (ORD) Chicago -> (IAD) Washington
Frontier Airlines
Mon, 06/29 (IAD) Washington -> (ORD) Chicago

Price found 10 days ago
from $78
United
Sat, 09/05 (ORD) Chicago -> (IAD) Washington
Direct

Price found 5 days ago
from $72
United
Mon, 06/22 (ORD) Chicago -> (IAD) Washington
Direct

Price found 2 days ago
from $86
Frontier Airlines
Thu, 07/09 (ORD) Chicago -> (IAD) Washington
Direct

Price found 3 days ago
from $99
Frontier Airlines
Sat, 08/08 (ORD) Chicago -> (IAD) Washington
Direct

Price found 14 days ago
from $122
Frontier Airlines
Fri, 06/26 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sat, 07/25 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $75
Frontier Airlines
Thu, 06/25 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sat, 07/25 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $76
Frontier Airlines
Fri, 06/26 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sun, 06/28 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $78
Frontier Airlines
Sun, 06/28 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Wed, 07/29 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $78
Frontier Airlines
Mon, 06/22 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Sat, 07/25 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $79
Frontier Airlines
Mon, 06/29 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Mon, 06/29 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $79
Frontier Airlines
Fri, 07/10 (ORD) Chicago -> (IAD) Washington
Direct
Frontier Airlines
Mon, 07/13 (IAD) Washington -> (ORD) Chicago
Direct

Price found 8 days ago
from $80
United
Wed, 07/22 (ORD) Chicago -> (IAD) Washington
Direct
United
Wed, 07/29 (IAD) Washington -> (ORD) Chicago
Direct

Price found 10 days ago
from $87

Info about flights from Chicago O'Hare to Washington Dulles

Some useful info about flights from Chicago O'Hare to Washington Dulles to help you plan your next trip

Best price last 15 days $77
Average flight duration 1h 55m
Cheapest month April
Average number of flights per week 6
First flight time 05:23
Last flight time 23:59

When is it best to fly from Chicago O'Hare to Washington Dulles

Find out what is the best time of year to fly from Chicago O'Hare to Washington Dulles

Jun $137
Jul $95
Aug $144
Sep $106
Oct $128
Nov $163
Dec $159
Jan $102
Feb $110
Mar $118
Apr $84
May $94
Most expensive month November
Average price $163
Cheapest month April
Average price $84
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Top airlines on the route Chicago O'Hare - Washington Dulles

Airlines providing flights to Washington Dulles from Chicago O'Hare

Find out what a flight from Chicago O'Hare to Washington Dulles might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Washington.

$77 is the best price recorded in the last 15 days.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Flying between Chicago and Washington? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

  • Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
  • Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Chicago airports in a single search.

Flights from Chicago - O'Hare to Washington - Dulles international

Refine your flight search from Chicago O'Hare to Washington Dulles

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.

Other popular destinations

Also looking at United States? These cities are trending: Atlanta, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.

Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to Washington Dulles.

How much does an airline ticket from Chicago O'Hare to Washington Dulles cost?

The lowest price recorded in the last 15 days for a flight from Chicago O'Hare to Washington Dulles is $77.

How far is Chicago from Washington?

Chicago is about 588 mi from Washington.

What are the airports in Washington?

Washington has 3 airports: Dulles international, Ronald Reagan, Washington International.

What are the airports in Chicago?

Chicago has 3 airports: Midway, O'Hare, Rockford.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Atlanta, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Chicago to Washington?

The best time to book a flight from Chicago to Washington is 1 month in advance, while the worst time is 1 week in advance.

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

The cheapest month to fly from Chicago to Washington is April.

What is the most expensive month to fly from Chicago to Washington?

The most expensive month to fly from Chicago to Washington is November.

What is the best day of the week to fly from Chicago to Washington?

For flights from Chicago to Washington Wednesday is on average the cheapest day to fly, while Thursday is the most expensive day to fly.