In terms of precipitation, rainfall in Iwakuni ranges from 1.6 - 11.0 inches per month. June is typically the wettest month, when rainfall can reach 11.0 in. December is typically the driest time to visit Iwakuni when rainfall is around 1.6 in.

If weather is an important factor for your trip to Iwakuni, use this chart to help with planning. For those seeking warmer temperatures, August 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 41.0 F).

What are the most popular routes from Washington, D.C. to Iwakuni?

While some choose either Washington, D.C. Dulles Intl - MCAS Iwakuni or Washington, D.C. Reagan-National - MCAS Iwakuni, Baltimore/Washington - MCAS Iwakuni is the most popular route from Washington, D.C. to Iwakuni.

What is the cheapest time of day to fly from WAS to IWK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Iwakuni as you normally would.

What airport do you fly into for flights to Iwakuni from Washington, D.C.?

Located just 1.6 mi from the city center, MCAS Iwakuni is the airport most travelers will use when flying to Iwakuni from Washington, D.C.. Booking flights from Washington, D.C. to MCAS Iwakuni (IWK) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.

Can I find deals for flights from Washington, D.C. to Iwakuni that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Iwakuni flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Iwakuni?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Iwakuni.

Can I find deals for business class flights from Washington, D.C. to Iwakuni?

Yes. Cheapflights offers flight deals from Washington, D.C. to Iwakuni by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,122+ Flights from Washington, D.C. to Iwakuni

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Cheap flight deals from Washington, D.C. to Iwakuni

Round-trip from	$1,297 (United Airlines)

From Washington, D.C. (WAS) to MCAS Iwakuni

Search Deals

Find flight deals from Washington, D.C. to Iwakuni

Cheapest flights from Washington, D.C. to Iwakuni
Explore the most affordable flight options available from Washington, D.C. to Iwakuni. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

dom. 11/306:15 amBWI - IWK

2 stops46h 35mANA

mié. 12/107:30 pmIWK - BWI

2 stops32h 20mANA

Deal found 7/30

$1,139

dom. 11/3011:05 amIAD - IWK

1 stop17h 45mANA

mié. 12/109:00 amIWK - IAD

1 stop20h 40mANA

Deal found 7/30

$1,166

dom. 9/146:15 amBWI - IWK

2 stops47h 30mUnited Airlines

dom. 9/218:55 amIWK - BWI

2 stops25h 47mUnited Airlines

Deal found 7/31

$1,297

dom. 9/143:30 pmDCA - IWK

2 stops27h 40mANA

dom. 9/218:55 amIWK - DCA

2 stops25h 08mANA

Deal found 7/31

$1,442

dom. 11/309:40 amDCA - IWK

2 stops22h 10mMultiple Airlines

mié. 12/102:10 pmIWK - DCA

2 stops22h 25mMultiple Airlines

Deal found 7/30

$1,890

dom. 9/146:15 amBWI - IWK

2 stops23h 30mMultiple Airlines

dom. 9/218:55 amIWK - BWI

3 stops27h 22mMultiple Airlines

Deal found 7/31

$1,961

jue. 10/212:25 pmIAD - IWK

1 stop17h 25mUnited Airlines

lun. 10/69:00 amIWK - IAD

1 stop38h 05mUnited Airlines

Deal found 7/30

$2,148

mié. 12/36:30 amDCA - IWK

2 stops46h 20mUnited Airlines

dom. 12/79:00 amIWK - DCA

2 stops26h 55mUnited Airlines

Deal found 7/30

$2,163

dom. 8/310:20 amIAD - IWK

2 stops22h 10mMultiple Airlines

mar. 8/57:35 amIWK - IAD

2 stops43h 07mMultiple Airlines

Deal found 7/30

$3,196

Best flights from Washington, D.C. to Iwakuni
Discover carefully curated flight deals from Washington, D.C. to Iwakuni that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 31, 2025.

dom. 11/307:30 amDCA - IWK

2 stops45h 20mUnited Airlines

mié. 12/109:00 amIWK - DCA

2 stops25h 38mUnited Airlines

Deal found 7/31

$1,122

dom. 11/306:15 amBWI - IWK

2 stops46h 35mANA

mié. 12/107:30 pmIWK - BWI

2 stops32h 20mANA

Deal found 7/30

$1,139

dom. 11/309:40 amDCA - IWK

2 stops22h 10mMultiple Airlines

mié. 12/102:10 pmIWK - DCA

2 stops22h 25mMultiple Airlines

Deal found 7/30

$1,890

dom. 11/3011:05 amIAD - IWK

1 stop17h 45mANA

mié. 12/109:00 amIWK - IAD

1 stop20h 40mANA

Deal found 7/30

$1,166

dom. 9/146:15 amBWI - IWK

2 stops47h 30mUnited Airlines

dom. 9/218:55 amIWK - BWI

2 stops25h 47mUnited Airlines

Deal found 7/31

$1,297

dom. 9/143:30 pmDCA - IWK

2 stops27h 40mANA

dom. 9/218:55 amIWK - DCA

2 stops25h 08mANA

Deal found 7/31

$1,442

dom. 9/146:15 amBWI - IWK

2 stops23h 30mMultiple Airlines

dom. 9/218:55 amIWK - BWI

3 stops27h 22mMultiple Airlines

Deal found 7/31

$1,961

jue. 10/212:25 pmIAD - IWK

1 stop17h 25mUnited Airlines

lun. 10/69:00 amIWK - IAD

1 stop38h 05mUnited Airlines

Deal found 7/30

$2,148

lun. 1/59:00 amIAD - IWK

2 stops33h 20mMultiple Airlines

vie. 1/169:00 amIWK - IAD

2 stops26h 05mMultiple Airlines

Deal found 7/30

$7,492

Last-minute flights from Washington, D.C. to Iwakuni
Discover last-minute flight deals from Washington, D.C. to Iwakuni. Data last updated julio 31, 2025 and is based on user searches.

dom. 8/310:20 amIAD - IWK

2 stops22h 10mMultiple Airlines

mar. 8/57:35 amIWK - IAD

2 stops43h 07mMultiple Airlines

Deal found 7/30

$3,196

mar. 8/56:42 amBWI - IWK

2 stops36h 28mANA

mar. 8/197:35 amIWK - BWI

2 stops27h 07mANA

Deal found 7/30

$1,780

mar. 8/58:10 amBWI - IWK

2 stops24h 20mMultiple Airlines

mar. 8/198:55 amIWK - BWI

3 stops25h 47mMultiple Airlines

Deal found 7/30

$2,625

mar. 8/512:15 pmIAD - IWK

1 stop20h 15mANA

mar. 8/197:35 amIWK - IAD

1 stop21h 10mANA

Deal found 7/30

$2,818

mar. 8/510:30 amDCA - IWK

2 stops22h 00mMultiple Airlines

mar. 8/198:55 amIWK - DCA

2 stops25h 08mMultiple Airlines

Deal found 7/30

$2,962

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Iwakuni that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Iwakuni

DCA - IWK

DCAIWK

Washington, D.C. Reagan-National

dom. 11/30

7:30 am-6:50 pm

2 stops45h 20m

MCAS Iwakuni

mié. 12/10

9:00 am-8:38 pm

2 stops25h 38m

$1,122

BaltimoreIwakuni

BWI - IWK

BWIIWK

Baltimore/Washington

dom. 11/30

6:15 am-6:50 pm

2 stops46h 35m

MCAS Iwakuni

mié. 12/10

7:30 pm-1:50 pm

2 stops32h 20m

$1,139

Washington, D.C.Iwakuni

IAD - IWK

IADIWK

Washington, D.C. Dulles Intl

dom. 11/30

11:05 am-6:50 pm

1 stop17h 45m

MCAS Iwakuni

mié. 12/10

9:00 am-3:40 pm

1 stop20h 40m

$1,166

BaltimoreIwakuni

BWI - IWK

BWIIWK

Baltimore/Washington

dom. 9/14

6:15 am-6:45 pm

2 stops47h 30m

MCAS Iwakuni

dom. 9/21

8:55 am-9:42 pm

2 stops25h 47m

$1,297

Washington, D.C.Iwakuni

DCA - IWK

DCAIWK

Washington, D.C. Reagan-National

dom. 9/14

3:30 pm-8:10 am

2 stops27h 40m

MCAS Iwakuni

dom. 9/21

8:55 am-9:03 pm

2 stops25h 08m

$1,442

Washington, D.C.Iwakuni

DCA - IWK

DCAIWK

Washington, D.C. Reagan-National

dom. 11/30

9:40 am-9:50 pm

2 stops22h 10m

MCAS Iwakuni

mié. 12/10

2:10 pm-10:35 pm

2 stops22h 25m

$1,890

BaltimoreIwakuni

BWI - IWK

BWIIWK

Baltimore/Washington

dom. 9/14

6:15 am-6:45 pm

2 stops23h 30m

MCAS Iwakuni

dom. 9/21

8:55 am-11:17 pm

3 stops27h 22m

$1,961

Washington, D.C.Iwakuni

IAD - IWK

IADIWK

Washington, D.C. Dulles Intl

jue. 10/2

12:25 pm-6:50 pm

1 stop17h 25m

MCAS Iwakuni

lun. 10/6

9:00 am-10:05 am

1 stop38h 05m

$2,148

Washington, D.C.Iwakuni

IAD - IWK

IADIWK

Washington, D.C. Dulles Intl

lun. 1/5

9:00 am-8:20 am

2 stops33h 20m

MCAS Iwakuni

vie. 1/16

9:00 am-9:05 pm

2 stops26h 05m

$7,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Washington, D.C. to Iwakuni

Have a flexible travel schedule? Discover the best time to fly to Iwakuni from Washington, D.C. 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 Washington, D.C. to Iwakuni

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Iwakuni

Peruse reviews from past customers who have flown with ANA and United Airlines from Washington, D.C. to Iwakuni to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

ANA

8.4

Very good

922 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

United Airlines

7.4

Good

8,900 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

What airport do you fly into for flights to Iwakuni from Washington, D.C.?
Located just 1.6 mi from the city center, MCAS Iwakuni is the airport most travelers will use when flying to Iwakuni from Washington, D.C.. Booking flights from Washington, D.C. to MCAS Iwakuni (IWK) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.
What are the most popular routes from Washington, D.C. to Iwakuni?
While some choose either Washington, D.C. Dulles Intl - MCAS Iwakuni or Washington, D.C. Reagan-National - MCAS Iwakuni, Baltimore/Washington - MCAS Iwakuni is the most popular route from Washington, D.C. to Iwakuni.
Can I find deals for flights from Washington, D.C. to Iwakuni that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Iwakuni flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Iwakuni?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Iwakuni.
Can I find deals for business class flights from Washington, D.C. to Iwakuni?
Yes. Cheapflights offers flight deals from Washington, D.C. to Iwakuni by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$1,122+ Cheap flights from Washington, D.C. (WAS) to Iwakuni (IWK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Iwakuni with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Iwakuni

Round-trip from

Find flight deals from Washington, D.C. to Iwakuni

Cheapest flights from Washington, D.C. to IwakuniExplore the most affordable flight options available from Washington, D.C. to Iwakuni. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Explore the most affordable flight options available from Washington, D.C. to Iwakuni. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Iwakuni that are best for you.

Best time to book a flight from Washington, D.C. to Iwakuni

Have a flexible travel schedule? Discover the best time to fly to Iwakuni from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Iwakuni

Reviews of airlines servicing Iwakuni

Peruse reviews from past customers who have flown with ANA and United Airlines from Washington, D.C. to Iwakuni to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Iwakuni. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Iwakuni from Washington, D.C.?

What are the most popular routes from Washington, D.C. to Iwakuni?

Can I find deals for flights from Washington, D.C. to Iwakuni that include hotel bookings?

How can I find direct flights from Washington, D.C. to Iwakuni?

Can I find deals for business class flights from Washington, D.C. to Iwakuni?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Iwakuni

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Cheapest flights from Washington, D.C. to Iwakuni
Explore the most affordable flight options available from Washington, D.C. to Iwakuni. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.