What is the cheapest month to book a flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

How far in advance should I book a flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport?

To save on the cost of your flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport, book at least 42 days before your planned departure. Booking around this time can save you about 82% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $176 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $364.

What is the cheapest month to fly from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport?

The best pricing can be found in the month of August. Prices to Washington, D.C. Dulles Intl Airport from Chicago Midway Airport average $225. You can even find prices in August for less than $225, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $93. The month of January appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Chicago Midway Airport. Flying in the targeted month can save you up to 12%.

Can I find deals for flights from Midway to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Midway to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Midway to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Dulles Intl.

Can I find deals for business class flights from Midway to Dulles Intl?

Yes. Cheapflights offers flight deals from Midway to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$78+ Cheap Flights from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport

Q: What is the cheapest day to fly from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Chicago Midway Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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Cheap flight deals from Midway to Dulles Intl

Round-trip from	$143 (Gotogate)
One-way from	$78 (CheapOair)
Popular in	November
Cheapest in	October
Average price	$169

From Chicago Midway to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Chicago Midway to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($38 potential increase over avg. RT price).

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Cheapest flight prices on average. 13% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Midway to Dulles Intl

Cheapest flights from Midway to Dulles Intl
Explore the most affordable flight options available from Midway to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

jue. 9/44:56 pmMDW - IAD

1 stop6h 19mFrontier

dom. 9/71:55 pmIAD - MDW

1 stop10h 25mFrontier

Deal found 8/14

$143

dom. 9/76:21 amMDW - IAD

1 stop13h 58mFrontier

jue. 9/111:55 pmIAD - MDW

1 stop10h 25mFrontier

Deal found 8/14

$148

dom. 9/286:21 amMDW - IAD

1 stop13h 58mFrontier

dom. 10/51:55 pmIAD - MDW

1 stop10h 25mFrontier

Deal found 8/14

$149

vie. 10/105:28 pmMDW - IAD

1 stop26h 25mFrontier

dom. 10/124:40 pmIAD - MDW

1 stop7h 45mFrontier

Deal found 8/14

$150

dom. 9/76:21 amMDW - IAD

1 stop13h 58mFrontier

dom. 9/217:09 pmIAD - MDW

1 stop13h 14mFrontier

Deal found 8/13

$154

sáb. 9/1310:51 amMDW - IAD

1 stop6h 33mFrontier

sáb. 9/207:14 pmIAD - MDW

1 stop15h 04mFrontier

Deal found 8/14

$155

vie. 10/36:21 amMDW - IAD

1 stop12h 48mFrontier

mié. 10/89:00 amIAD - MDW

1 stop5h 38mFrontier

Deal found 8/14

$158

sáb. 10/410:51 amMDW - IAD

1 stop6h 33mFrontier

mar. 10/79:00 amIAD - MDW

1 stop5h 38mFrontier

Deal found 8/14

$159

jue. 9/114:56 pmMDW - IAD

1 stop6h 19mFrontier

lun. 9/1510:17 amIAD - MDW

1 stop11h 35mFrontier

Deal found 8/14

$160

sáb. 10/186:15 amMDW - IAD

1 stop8h 11mFrontier

lun. 10/204:45 pmIAD - MDW

1 stop7h 40mFrontier

Deal found 8/13

$162

vie. 9/56:20 amMDW - IAD

1 stop16h 55mFrontier

dom. 9/710:09 pmIAD - MDW

1 stop15h 35mFrontier

Deal found 8/14

$165

Best flights from Midway to Dulles Intl
Discover carefully curated flight deals from Midway to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 14, 2025.

jue. 8/286:15 amMDW - IAD

1 stop9h 15mFrontier

vie. 9/56:10 amIAD - MDW

1 stop10h 50mFrontier

Deal found 8/14

$143

vie. 9/125:15 pmMDW - IAD

1 stop6h 00mFrontier

mar. 9/169:15 amIAD - MDW

1 stop7h 43mFrontier

Deal found 8/13

$143

mar. 10/148:05 amMDW - IAD

1 stop10h 41mFrontier

mié. 10/159:00 amIAD - MDW

1 stop5h 38mFrontier

Deal found 8/14

$143

vie. 9/56:20 amMDW - IAD

1 stop5h 35mFrontier

lun. 9/86:10 amIAD - MDW

1 stop10h 50mFrontier

Deal found 8/13

$143

jue. 9/114:56 pmMDW - IAD

1 stop6h 19mFrontier

jue. 9/181:55 pmIAD - MDW

1 stop10h 25mFrontier

Deal found 8/14

$143

jue. 9/44:56 pmMDW - IAD

1 stop6h 19mFrontier

dom. 9/71:55 pmIAD - MDW

1 stop10h 25mFrontier

Deal found 8/14

$143

sáb. 11/151:37 pmMDW - IAD

1 stop9h 18mFrontier

dom. 11/165:29 pmIAD - MDW

1 stop5h 34mFrontier

Deal found 8/14

$143

lun. 9/86:20 amMDW - IAD

1 stop5h 35mFrontier

mar. 9/99:15 amIAD - MDW

1 stop7h 43mFrontier

Deal found 8/14

$143

Last-minute flights from Midway to Dulles Intl
Discover last-minute flight deals from Midway to Dulles Intl. Data last updated agosto 14, 2025 and is based on user searches.

mar. 8/199:16 amMDW - IAD

1 stop11h 18mFrontier

mié. 8/209:30 amIAD - MDW

1 stop5h 31mFrontier

Deal found 8/12

$181

mar. 8/199:16 amMDW - IAD

1 stop11h 18mFrontier

jue. 8/215:18 pmIAD - MDW

1 stop6h 50mFrontier

Deal found 8/12

$186

mié. 8/208:00 amMDW - IAD

1 stop12h 39mFrontier

mié. 8/279:30 amIAD - MDW

1 stop5h 31mFrontier

Deal found 8/11

$194

mié. 8/208:00 amMDW - IAD

1 stop12h 39mFrontier

jue. 8/215:18 pmIAD - MDW

1 stop6h 50mFrontier

Deal found 8/12

$209

jue. 8/216:15 amMDW - IAD

1 stop9h 15mFrontier

dom. 8/245:18 pmIAD - MDW

1 stop6h 49mFrontier

Deal found 8/14

$192

jue. 8/216:15 amMDW - IAD

1 stop9h 15mFrontier

jue. 8/219:33 pmIAD - MDW

1 stop11h 49mFrontier

Deal found 8/14

$197

vie. 8/226:15 amMDW - IAD

1 stop9h 15mFrontier

sáb. 8/235:37 pmIAD - MDW

1 stop6h 31mFrontier

Deal found 8/12

$211

vie. 8/226:15 amMDW - IAD

1 stop9h 15mFrontier

mié. 8/279:30 amIAD - MDW

1 stop5h 31mFrontier

Deal found 8/13

$212

sáb. 8/236:10 amMDW - IAD

1 stop9h 20mFrontier

sáb. 8/235:37 pmIAD - MDW

1 stop6h 31mFrontier

Deal found 8/14

$173

sáb. 8/236:10 amMDW - IAD

1 stop9h 20mFrontier

dom. 8/245:18 pmIAD - MDW

1 stop6h 49mFrontier

Deal found 8/14

$189

dom. 8/246:15 amMDW - IAD

1 stop17h 01mFrontier

mié. 8/279:30 amIAD - MDW

1 stop5h 31mFrontier

Deal found 8/13

$176

lun. 8/256:15 amMDW - IAD

1 stop9h 15mFrontier

sáb. 9/137:14 pmIAD - MDW

1 stop15h 04mFrontier

Deal found 8/13

$166

One-way flights from Midway to Dulles Intl
Search for one-way flight options from Midway to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated agosto 14, 2025.

dom. 9/1410:13 amMDW - IAD

1 stop7h 01mFrontier

Deal found 8/14

$78

jue. 9/44:56 pmMDW - IAD

1 stop6h 19mFrontier

Deal found 8/14

$79

sáb. 10/256:15 amMDW - IAD

1 stop8h 11mFrontier

Deal found 8/14

$82

dom. 9/710:13 amMDW - IAD

1 stop7h 01mFrontier

Deal found 8/14

$83

mié. 9/179:00 amMDW - IAD

1 stop9h 55mFrontier

Deal found 8/14

$84

lun. 9/88:19 amMDW - IAD

1 stop9h 05mFrontier

Deal found 8/14

$85

vie. 8/229:32 amMDW - IAD

1 stop4h 51mAllegiant Air

Deal found 8/12

$87

dom. 11/167:23 pmMDW - IAD

1 stop19h 50mFrontier

Deal found 8/13

$88

mar. 10/281:56 pmMDW - IAD

1 stop5h 24mFrontier

Deal found 8/13

$89

sáb. 8/236:10 amMDW - IAD

1 stop9h 20mFrontier

Deal found 8/14

$92

jue. 9/114:56 pmMDW - IAD

1 stop6h 19mFrontier

Deal found 8/12

$97

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

jue. 8/28

6:15 am-4:30 pm

1 stop9h 15m

Washington, D.C. Dulles Intl

vie. 9/5

6:10 am-4:00 pm

1 stop10h 50m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

vie. 9/12

5:15 pm-12:15 am

1 stop6h 00m

Washington, D.C. Dulles Intl

mar. 9/16

9:15 am-3:58 pm

1 stop7h 43m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

mar. 10/14

8:05 am-7:46 pm

1 stop10h 41m

Washington, D.C. Dulles Intl

mié. 10/15

9:00 am-1:38 pm

1 stop5h 38m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

vie. 9/5

6:20 am-12:55 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

lun. 9/8

6:10 am-4:00 pm

1 stop10h 50m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

jue. 9/11

4:56 pm-12:15 am

1 stop6h 19m

Washington, D.C. Dulles Intl

jue. 9/18

1:55 pm-11:20 pm

1 stop10h 25m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

jue. 9/4

4:56 pm-12:15 am

1 stop6h 19m

Washington, D.C. Dulles Intl

dom. 9/7

1:55 pm-11:20 pm

1 stop10h 25m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

sáb. 11/15

1:37 pm-11:55 pm

1 stop9h 18m

Washington, D.C. Dulles Intl

dom. 11/16

5:29 pm-10:03 pm

1 stop5h 34m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

lun. 9/8

6:20 am-12:55 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

mar. 9/9

9:15 am-3:58 pm

1 stop7h 43m

$143

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

dom. 9/14

10:13 am-6:14 pm

1 stop7h 01m

$78

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

jue. 9/18

4:56 pm-12:15 am

1 stop6h 19m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 20 results

Best time to book a flight from Midway to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Midway with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from MDW to IAD?

A simple way to save on the total cost of your ticket is to fly from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta and Frontier from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.8

Fair

3,217 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport round-trip?
According to our current data, Frontier ($122), and Delta ($186) offers the cheapest pricing from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport. Frontier is currently priced 61% below the average price you’ll pay for this route.
Can I find deals for flights from Midway to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Midway to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Midway to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Dulles Intl.
Can I find deals for business class flights from Midway to Dulles Intl?
Yes. Cheapflights offers flight deals from Midway to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

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Fairfax

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Laurel

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National Harbor

Dundalk

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Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Midway to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$122	Average$241	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$186	Average$433	FlexibilityNo cancel fee	On-timeN/A

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$78+ Cheap flights from Midway (MDW) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Midway to Dulles Intl with Cheapflights

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Cheap flight deals from Midway to Dulles Intl

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Find flight deals from Midway to Dulles Intl

Cheapest flights from Midway to Dulles IntlExplore the most affordable flight options available from Midway to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Explore the most affordable flight options available from Midway to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Midway to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Midway with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from MDW to IAD?

Find hourly flight availability from Midway to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta and Frontier from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Midway to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport round-trip?

Can I find deals for flights from Midway to Dulles Intl that include hotel bookings?

How can I find direct flights from Midway to Dulles Intl?

Can I find deals for business class flights from Midway to Dulles Intl?

What is the cheapest month to book a flight from Chicago Midway Airport to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Midway to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Midway to Dulles Intl

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Cheapest flights from Midway to Dulles Intl
Explore the most affordable flight options available from Midway to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.